Maintenance & Troubleshooting
򔻐򗗠򙳰
ERserver
xSeries 255 Type 8685
Hardware Maintenance Manual and Troubleshooting
Guide
򔻐򗗠򙳰
ERserver
xSeries 255 Type 8685
Hardware Maintenance Manual and Troubleshooting
Guide
Note
Before using this information and the product it supports, be sure to read Appendix C, “Notices” on
page 203.
Fourth Edition (November 2002)
The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION ″AS IS″ WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow
disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. IBM may make
improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time.
This publication was developed for products and services offered in the United States of America. IBM may not offer
the products, services, or features discussed in this document in other countries, and the information is subject to
change without notice. Consult your local IBM representative for information on the products, services, and features
available in your area.
Requests for technical information about IBM products should be made to your IBM reseller or IBM marketing
representative.
© Copyright International Business Machines Corporation 2002. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.
About this manual
This manual contains diagnostic information, a Symptom-to-FRU index, service
information, error codes, error messages, and configuration information for the IBM®
Eserver xSeries™ 255.
Important: The field replaceable unit (FRU) procedures are intended for trained
servicers who are familiar with IBM xSeries products. See the parts
listing in “System” on page 162 to determine if the component being
replaced is a customer replaceable unit (CRU) or a FRU.
Important safety information
Be sure to read all caution and danger statements in this book before performing
any of the instructions. See “Safety information” on page 169.
Leia todas as instruções de cuidado e perigo antes de executar qualquer operação.
Prenez connaissance de toutes les consignes de type Attention et Danger avant de
procéder aux opérations décrites par les instructions.
Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.
© Copyright IBM Corp. 2002
iii
Accertarsi di leggere tutti gli avvisi di attenzione e di pericolo prima di effettuare
qualsiasi operazione.
Lea atentamente todas las declaraciones de precaución y peligro ante de llevar a
cabo cualquier operación.
Online support
You can download the most current diagnostic, BIOS flash, and device driver files
from http://www.ibm.com/pc/support on the World Wide Web.
iv
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Contents
About this manual . . . . . . . . . . . . . . . . . . . . . . . iii
Important safety information . . . . . . . . . . . . . . . . . . . . iii
Online support . . . . . . . . . . . . . . . . . . . . . . . . . iv
Chapter 1. General information. . . .
Related publications . . . . . . . .
Notices and statements used in this book
Features and specifications . . . . . .
Server controls and indicators . . . . .
Front view . . . . . . . . . . .
Rear view . . . . . . . . . . .
Turning on the server . . . . . . .
Turning off the server . . . . . . .
Standby mode . . . . . . . . .
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Chapter 2. Configuration . . . . . . . . . . . . . . . .
Using the Configuration/Setup Utility program. . . . . . . . .
Starting the Configuration/Setup Utility program . . . . . . .
Choices available from the Configuration/Setup Utility main menu
Additional Configuration/Setup Utility menu choices . . . . .
Using passwords . . . . . . . . . . . . . . . . . .
Using the SCSISelect utility program . . . . . . . . . . . .
Starting the SCSISelect utility program . . . . . . . . . .
Choices available from the SCSISelect menu. . . . . . . .
Using the ServerGuide Setup and Installation CD . . . . . . .
ServerGuide features . . . . . . . . . . . . . . . .
Setup and configuration overview . . . . . . . . . . . .
System Partition . . . . . . . . . . . . . . . . . .
Typical NOS installation . . . . . . . . . . . . . . .
Setting up or updating multiple servers . . . . . . . . . .
Installing your NOS without ServerGuide . . . . . . . . .
Configuring the Gigabit Ethernet controller . . . . . . . . . .
High-performance Ethernet modes. . . . . . . . . . . .
Ethernet port connector. . . . . . . . . . . . . . . .
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Chapter 3. Diagnostics . . . . . . . . . . . . . . .
General checkout . . . . . . . . . . . . . . . . . .
Diagnostic tools overview . . . . . . . . . . . . . . .
POST error logs . . . . . . . . . . . . . . . . . .
Viewing error logs from the Configuration/Setup Utility program
Viewing error logs from diagnostic programs . . . . . . .
Diagnostic programs and error messages . . . . . . . . .
Text messages . . . . . . . . . . . . . . . . . .
Starting the diagnostic programs . . . . . . . . . . .
Diagnostic error message tables . . . . . . . . . . .
Identifying problems using status LEDs . . . . . . . . . .
LEDs for Active PCI slots . . . . . . . . . . . . . .
Power-supply LEDs . . . . . . . . . . . . . . . .
Light Path Diagnostics . . . . . . . . . . . . . . .
Error symptoms . . . . . . . . . . . . . . . . . .
Error symptom charts . . . . . . . . . . . . . . .
Small computer system interface messages . . . . . . .
Memory errors . . . . . . . . . . . . . . . . . .
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© Copyright IBM Corp. 2002
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v
ServerGuide error symptoms . . . .
Power checkout . . . . . . . .
Troubleshooting the Ethernet controller
Recovering the BIOS code . . . . .
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Chapter 4. Customer replaceable units . . . . . . . . . . . . . .
Before you begin . . . . . . . . . . . . . . . . . . . . . . .
System reliability considerations . . . . . . . . . . . . . . . .
Working inside the server with the power on . . . . . . . . . . . .
Handling static-sensitive devices . . . . . . . . . . . . . . . .
Major components of the xSeries 255 Type 8685 server. . . . . . . . .
System-board component locations . . . . . . . . . . . . . . . .
System-board option connectors . . . . . . . . . . . . . . . .
System-board internal cable connectors. . . . . . . . . . . . . .
System-board external port connectors . . . . . . . . . . . . . .
System-board switches and jumpers . . . . . . . . . . . . . . .
System-board LED locations . . . . . . . . . . . . . . . . . .
Memory-board component locations . . . . . . . . . . . . . . .
Removing the top cover and bezel. . . . . . . . . . . . . . . . .
Removing the top cover (all models) . . . . . . . . . . . . . . .
Removing the bezel (rack model) . . . . . . . . . . . . . . . .
Removing the bezel (tower model). . . . . . . . . . . . . . . .
Working with adapters . . . . . . . . . . . . . . . . . . . . .
Adapter considerations . . . . . . . . . . . . . . . . . . . .
Installing an adapter . . . . . . . . . . . . . . . . . . . . .
Cabling a RAID or SCSI adapter . . . . . . . . . . . . . . . .
Working with the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit
Installing the optional 6-Pack hot-swap drive backplane . . . . . . . .
Installing internal drives . . . . . . . . . . . . . . . . . . . . .
Internal drive bays . . . . . . . . . . . . . . . . . . . . .
Installing a hot-swap hard disk drive . . . . . . . . . . . . . . .
Installing a 5.25-inch removable-media drive . . . . . . . . . . . .
Installing memory modules . . . . . . . . . . . . . . . . . . .
Installing an additional microprocessor . . . . . . . . . . . . . . .
Installing a hot-swap power supply . . . . . . . . . . . . . . . .
Replacing a hot-swap fan . . . . . . . . . . . . . . . . . . .
Replacing an internal fan. . . . . . . . . . . . . . . . . . .
Replacing an external fan . . . . . . . . . . . . . . . . . .
Replacing the battery . . . . . . . . . . . . . . . . . . . . .
Completing the installation . . . . . . . . . . . . . . . . . . .
Installing the top cover and bezel. . . . . . . . . . . . . . . .
Updating your server configuration . . . . . . . . . . . . . . .
Connecting external options. . . . . . . . . . . . . . . . . . .
SCSI cabling requirements . . . . . . . . . . . . . . . . . .
Input/output connectors . . . . . . . . . . . . . . . . . . . .
Video port . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard port . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary-device (pointing device) port . . . . . . . . . . . . . .
Ultra160 SCSI connectors . . . . . . . . . . . . . . . . . .
Serial ports . . . . . . . . . . . . . . . . . . . . . . . .
Universal Serial Bus ports . . . . . . . . . . . . . . . . . .
Gigabit Ethernet port . . . . . . . . . . . . . . . . . . . .
Integrated system management processor (ISMP) interconnect ports . .
Cabling the server . . . . . . . . . . . . . . . . . . . . .
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Chapter 5. Service replaceable units. . . . . . . . . . . . . . . . 119
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Microprocessor removal .
SCSI backplane . . . .
Hot-swap board . . . .
Front-panel assembly . .
Power backplane . . .
AC power box . . . . .
System board and shuttle
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Chapter 6. Symptom-to-FRU index . .
Beep symptoms . . . . . . . . . .
No-beep symptoms . . . . . . . . .
Diagnostic panel system error LED . . .
Diagnostic error codes . . . . . . .
Error symptoms . . . . . . . . . .
Power-supply LED errors. . . . . . .
POST error codes . . . . . . . . .
Service processor error codes . . . . .
SCSI error codes . . . . . . . . .
Temperature error messages . . . . .
Fan error messages . . . . . . . .
Power error messages . . . . . . .
System shutdown . . . . . . . . .
Voltage related system shutdown. . .
Temperature related system shutdown .
DASD checkout . . . . . . . . . .
Host built-in self test (BIST) . . . . . .
Bus fault messages. . . . . . . . .
Undetermined problems . . . . . . .
Problem determination tips . . . . . .
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Chapter 7. Parts listing, xSeries
System . . . . . . . . . .
Keyboard CRUs . . . . . . .
Power cord CRUs . . . . . .
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Appendix A. Getting help and technical assistance .
Before you call . . . . . . . . . . . . . . .
Using the documentation . . . . . . . . . . . .
Getting help and information from the World Wide Web
Software service and support . . . . . . . . . .
Hardware service and support . . . . . . . . . .
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Appendix B. Related service information . . . .
Safety information . . . . . . . . . . . . .
General safety . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . .
Handling electrostatic discharge-sensitive devices
Grounding requirements . . . . . . . . . .
Safety notices (multi-lingual translations) . . . .
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Appendix C. Notices . .
Edition notice . . . . .
Trademarks. . . . . .
Important notes . . . .
Electronic emission notices
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Contents
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Federal Communications Commission (FCC) statement . . . . .
Industry Canada Class A emission compliance statement . . . . .
Australia and New Zealand Class A statement . . . . . . . . .
United Kingdom telecommunications safety requirement . . . . .
European Union EMC Directive conformance statement . . . . .
Taiwan electrical emission statement . . . . . . . . . . . .
Japanese Voluntary Control Council for Interference (VCCI) statement
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Chapter 1. General information
The IBM Eserver xSeries 255 Type 8685 server, which features IBM
X-Architecture™™ technology, is a high-performance server that can be upgraded to
a symmetric multiprocessing (SMP) server through a microprocessor upgrade. It is
ideally suited for networking environments that require superior microprocessor
performance, efficient memory management, flexibility, and large amounts of reliable
data storage.
If you have access to the World Wide Web, you can obtain up-to-date information
about your server model and other IBM server products at
http://www.ibm.com/eserver/xseries/ on the World Wide Web.
Note: The illustrations in this document might differ slightly from your hardware.
Related publications
This Hardware Maintenance Manual and Troubleshooting Guide is provided in
Portable Document Format (PDF). It contains information to help you solve the
problem yourself or to provide helpful information to a service technician.
In addition to this Hardware Maintenance Manual and Troubleshooting Guide, the
following xSeries 255 Type 8685 documentation is provided with the server:
v User’s Guide
The User’s Guide provides general information about the server, including
information about features, how to configure the server, how to use the
ServerGuide™ Setup and Installation CD, and how to get help.
v Installation Guide
This printed publication contains setup and installation instructions.
v Rack Installation Instructions
This printed publication contains the instructions to install the server in a rack.
v Safety Information Book
This multilingual publication is provided in PDF on the IBM xSeries
Documentation CD. It contains translated versions of the caution and danger
© Copyright IBM Corp. 2002
1
statements that appear in the documentation for the server. Each caution and
danger statement has an assigned number, which you can use to locate the
corresponding statement in your native language.
v Option Installation Guide
This publication is provided in PDF on the IBM xSeries Documentation CD. It
contains instructions to install, remove, and connect optional devices supported
by your server.
Depending on your server model, additional publications might be included on the
IBM xSeries Documentation CD.
Notices and statements used in this book
The caution and danger statements used in this book also appear in the multilingual
Safety Information book provided on the IBM xSeries Documentation CD. Each
caution and danger statement is numbered for easy reference to the corresponding
statements in the safety book.
The following types of notices and statements are used in this book:
v Note: These notices provide important tips, guidance, or advice.
v Important: These notices provide information or advice that might help you avoid
inconvenient or problem situations.
v Attention: These notices indicate possible damage to programs, devices, or
data. An attention notice is placed just before the instruction or situation in which
damage could occur.
v Caution: These statements indicate situations that can be potentially hazardous
to you. A caution statement is placed just before the description of a potentially
hazardous procedure step or situation.
v Danger: These statements indicate situations that can be potentially lethal or
extremely hazardous to you. A danger statement is placed just before the
description of a potentially lethal or extremely hazardous procedure step or
situation.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Features and specifications
Table 1 provides a summary of the features and specifications for your server.1
Table 1. Features and specifications
Microprocessor:
v Intel® Xeon™ MP
v 1 MB or 512 KB level-3 cache
depending upon model
v 400 MHz front-side bus (FSB)
v Support for up to four
microprocessors with Intel
Hyper-Threading technology and
Intel NetBurst™ microarchitecture
Memory:
v Maximum: 12 GB
v Type: ECC, double-data rate (DDR),
SDRAM, registered DIMMs
v Slots: 2-way or 4-way interleaved, 12
slots
v Hot Spare memory
Drives standard:
v Diskette: 1.44 MB
v CD-ROM: IDE
Video:
v ATI RageXL video controller
v Compatible with SVGA and VGA
v 8 MB video memory
Size (tower model):
v Height: 356 mm (14.0 in.)
v Depth: 700 mm (27.6 in.)
v Width: 483 mm (19 in.)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Size (7 U) (rack model):
v Height: 311 mm (12.3 in.)
v Depth: 650 mm (25.6 in.)
v Width: 440 mm (17.3 in.)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Expansion slots:
v Six hot-plug PCI-X 100 MHz/64-bit
v One non-hot-plug PCI 33 MHz/32-bit
Integrated functions:
v Dual-channel Ultra160 SCSI controller
(one internal and one external channel)
v Wake on LAN® support
v One Broadcom 10/100/1000 Mbps
Ethernet controller
v One serial port
v Four Universal Serial Bus ports
v Keyboard port
v Mouse port
v Video port
v Integrated system management
processor (ISMP) with two ISMP
(RS-485) RJ-45 connectors
Hot-swap power supplies:
Acoustical noise emissions:
Available expansion bays:
v Hot-swap:
– Six slim-high in upper drive cage
– Six slim-high in lower drive cage
with optional SCSI backplane
installed
v Non-hot-swap: Two 5.25-inch
370 W (115-230 V ac)
v Minimum: Two
v Maximum: Four for redundancy
Redundant cooling:
Nine hot-swap fans
Environment:
v Air temperature:
– Server on: 10° to 35°C (50° to 95°F).
Altitude: 0 to 914 m (3000 ft).
– Server on: 10° to 32°C (50° to 89.6°F).
Altitude: 914 m (3000 ft) to 2133 m
(7000 ft).
– Server off: 10° to 43°C (50° to 110°F).
Maximum altitude: 2133 m (7000 ft).
v Humidity:
– Server on: 8% to 80%
– Server off: 8% to 80%
Heat output:
Approximate heat output in British thermal
units (Btu) per hour:
v Minimum configuration: 461 Btu (0.14
kilowatts)
v Maximum configuration: 3412 Btu (1.0
kilowatts)
Electrical input:
v Sine-wave input (50-60 Hz) required
v Input voltage low range:
– Minimum: 100 V ac
– Maximum: 127 V ac
v Input voltage high range:
– Minimum: 200 V ac
– Maximum: 240 V ac
v Input kilovolt-amperes (kVA) approximately:
– Minimum: 0.08 kVA
– Maximum: 1.07 kVA
v Sound power, idle: 6.3 bel maximum
v Sound power, operating: 6.3 bel
maximum
v Bystander (1 m) Sound pressure,
operating: 47 dBa maximum
v Bystander (1 m) Sound pressure, idle:
47 dBa maximum
1. Racks are marked in vertical increments of 1.75 inches each. Each increment is referred to as a unit, or ″U.″ A 1-U-high device is
1.75 inches tall.
Chapter 1. General information
3
Server controls and indicators
This section identifies the controls and indicators on the front and rear of your
server.
Front view
Tower and rack models
Reset button
Power-control button
Power-on LED
Activity LED
System information LED
System error LED
Hard disk drive
activity LED
Hard disk drive
status LED
Diskette drive
activity LED
Diskette-eject
button
CD-ROM drive
activity LED
CD-eject button
Notes:
1. The illustrations in this document might differ slightly from your hardware.
2. An amber LED illuminates when a system error or event has occurred. To
identify the error or event, check the LEDs on the Light Path Diagnostics™
panel located on the server (see “Light Path Diagnostics” on page 34), or review
the Error Log in the Configuration/Setup Utility program (see “Viewing error logs
from the Configuration/Setup Utility program” on page 30). For more information
about the Configuration/Setup Utility program, see “Choices available from the
Configuration/Setup Utility main menu” on page 11.
Power-on (system power) LED: When this green LED is on, system power is
present in the server. When this LED flashes, the server is in Standby mode (the
system power supply is turned off and ac current is present). When this LED is off,
a power supply, ac power, or an LED has failed.
Power-control button: Press this button to manually turn the server on or off or to
place the server in Standby mode (see “Standby mode” on page 8).
Power-control button shield: You can install this circular disk over the
power-control button to prevent accidental manual power-off. This disk is provided
with your server.
Reset button: Press this button to reset the server and run the power-on self-test
(POST).
ACT (activity) LED: This green LED is on when there is activity on the server.
INFO (system information) LED: When this amber LED is on, the server power
supplies are nonredundant, or some other noncritical event has occurred. The event
4
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
is recorded in the Error log. Check the Light Path Diagnostics panel for more
detailed information (see “Light Path Diagnostics” on page 34).
FAULT (system-error) LED: This amber LED is on when a system error occurs. An
LED on the Light Path Diagnostics panel will also be on to further isolate the error.
Hard disk drive activity LED: Each hot-swap drive has a hard disk drive activity
LED. When this green LED is flashing, the drive is being accessed.
Hard disk drive status LED: Each hot-swap drive has a hard disk drive status
LED. When this amber LED is on continuously, the drive has failed. If an optional
SCSI or RAID adapter is installed in the server, when the LED flashes slowly (one
flash per second), the drive is being rebuilt. When the LED flashes rapidly (three
flashes per second), the controller is identifying the drive.
Diskette drive activity LED: When this LED is on, it indicates that the diskette
drive is in use.
Diskette-eject button: Press this button to release a diskette from the drive.
CD-ROM drive activity LED: When this LED is on, it indicates that the CD-ROM
drive is in use.
CD-eject button: Press this button to release a CD from the drive.
Rear view
Notes:
1. The illustrations in this document might differ slightly from your hardware.
2. An amber LED illuminates when a system error or event has occurred. To
identify the error or event, check the LEDs on the Light Path Diagnostics panel
located on the server, or review the Error Log in the Configuration/Setup Utility
program. For complete details about the Light Path Diagnostics panel, see
“Light Path Diagnostics” on page 34. For more information about the
Configuration/Setup Utility program, see “Choices available from the
Configuration/Setup Utility main menu” on page 11.
Chapter 1. General information
5
Ethernet activity
LED
AC power LED
DC power LED
Ethernet link
LED
Hot-swap fan error LED
Ethernet activity LED: When this green LED is on, there is activity between the
server and the network. The Ethernet activity LED is located on the Ethernet
(RJ-45) connector on the rear of the server.
Ethernet link LED: When this green LED is on, there is an active connection on
the Ethernet port. The Ethernet link LED is located on the Ethernet (RJ-45)
connector on the rear of the server.
Hot-swap fan error LEDs: These LEDs provide status information about fans 7, 8,
and 9 (the bottom rear fans in the power-supply bays).
AC power LED: This green LED provides status information about the power
supply. During typical operation, both the ac and dc power LEDs are on.
DC power LED: This green LED provides status information about the power
supply. During typical operation, both the ac and dc power LEDs are on.
Turning on the server
Statement 13:
6
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
DANGER
Overloading a branch circuit is potentially a fire hazard and a shock hazard
under certain conditions. To avoid these hazards, ensure that your system
electrical requirements do not exceed branch circuit protection
requirements. Refer to the information that is provided with your device for
electrical specifications.
After you plug one end of each server power cord into the power-supply outlets on
the rear of the server and the other end of each power cord into an electrical outlet,
the server can start in any of the following ways:
v You can press the power-control button on the front of the server to start the
server.
v
v
v
v
v
Notes:
1. You can install a circular disk over the power-control button to prevent
accidental manual power-off. This disk, known as the power-control button
shield, comes with your server.
2. After you plug the power cords of your server into the electrical outlets, wait
approximately 20 seconds before pressing the power-control button. During
this time, the ISMP is initializing; therefore, the power-control button does not
respond.
If the server is turned on and a power failure occurs, the server will start
automatically when power is restored.
If ac power is present, the server is in Standby mode, and the server is
connected to an Advanced System Management (ASM) interconnect network that
contains at least one system with an optional Remote Supervisor Adapter
installed, the server can be turned on from the Remote Supervisor Adapter user
interface.
If ac power is present, the server is in Standby mode, and an optional Remote
Supervisor Adapter is installed in the server, the server can be turned on from
the Remote Supervisor Adapter user interface.
When you plug in your server for the first time, the Wake on LAN feature can
turn on the server.
If your server was previously turned on, it must be properly placed in Standby
mode for the Wake on LAN feature to turn on the server.
v If your operating system supports the Preboot eXecution Environment (PXE)
option and the PXE option is enabled through the Planar Ethernet PXE/DHCP
menu choice under Start Options on the Configuration/Setup Utility program
menu (see “Using the Configuration/Setup Utility program” on page 11), the
integrated Gigabit Ethernet controller (see “Configuring the Gigabit Ethernet
controller” on page 24) can turn on the server.
Complete the following steps to manually turn on the server:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Turn on all external devices, such as the monitor.
3. Plug the server power cords into the power source.
4. Press the power-control button on the front of the server.
Note: While the server is turning on, the power-on LED on the front of the
server is lit.
Chapter 1. General information
7
Turning off the server
The server can be turned off in any of the following ways:
v If the system is connected to an ASM interconnect network that contains at least
one system with an optional Remote Supervisor Adapter installed, the system
can be turned off from the Remote Supervisor Adapter user interface.
v If an optional Remote Supervisor Adapter is installed in the system, the system
can be turned off from the Remote Supervisor Adapter user interface.
Complete the following steps to manually turn off the server:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. See your operating system documentation for the proper procedure to shut
down the operating system.
When you turn off the server, observe the following precaution.
Statement 5:
CAUTION:
The power control button on the device and the power switch on the
power supply do not turn off the electrical current supplied to the device.
The device also might have more than one power cord. To remove all
electrical current from the device, ensure that all power cords are
disconnected from the power source.
2
1
3. Press the power-control button on the front of the server. This will put the server
in Standby mode.
Note: You might need to press and hold the power-control button for more than
4 seconds to cause an immediate shutdown of the server and to force it
into Standby mode. You can use this feature if the operating system
stops functioning.
4. Disconnect the server from the power source.
Note: After disconnecting all the power cords, wait approximately 15 seconds
for your system to stop running. Watch for the power-on LED on the front
of the server to stop flashing.
Standby mode
Standby mode refers to the condition in which the server operating system is not
running and all core logic is shut down except for the optional Remote Supervisor
Adapter. In Standby mode, the server can respond to ISMP requests, such as a
remote request to turn on the server. When the server is in Standby mode, the
power-on LED on the front of the server flashes (when the server is running, the
power-on LED stays on and does not flash).
8
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
You can put the server in Standby mode in any of the following ways:
v You can press the power-control button on the server. This starts an orderly
shutdown of the operating system, if this feature is supported by your operating
system.
v If the server is connected to an ASM interconnect network that contains at least
one system with an optional Remote Supervisor Adapter installed, the server can
be placed in Standby mode from the Remote Supervisor Adapter user interface.
v If an optional Remote Supervisor Adapter is installed in the server, the server can
be placed in Standby mode from the Remote Supervisor Adapter user interface.
Attention: You must disconnect all the server power cords from the electrical
outlets to remove all power from the server.
Complete the following steps to put the server in Standby mode:
1. See the operating-system documentation for the proper procedure to shut down
the operating system.
Note: Each operating system is different. Read all the documentation about
shutting down the operating system before continuing.
2. Press the power-control button on the front of the server.
Notes:
a. After you place the server in Standby mode, wait at least 5 seconds before
you turn on the server again.
b. You might need to press and hold the power-control button for more than 4
seconds to cause an immediate shutdown of the operating system and to
force it into Standby mode. You can use this feature if the operating system
stops functioning.
The ISMP can put the server in Standby mode as an automatic response to a
critical system failure. You can also put the server into Standby mode remotely by
means of an optional Remote Supervisor Adapter or through connection to an ASM
interconnect network.
Chapter 1. General information
9
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 2. Configuration
The following configuration programs are provided with your server:
v Configuration/Setup Utility
This program is part of the basic input/output system (BIOS) code that comes
with your server. You can use this program to configure serial and parallel port
assignments, change interrupt request (IRQ) settings, change the drive startup
sequence, set the date and time, and set passwords. See “Using the
Configuration/Setup Utility program” for more information.
v SCSISelect Utility program
With the built-in SCSISelect Utility program, you can configure the devices that
are attached to the integrated SCSI controller. Use this program to change
default values, resolve configuration conflicts, and perform a low-level format on
a SCSI hard disk drive. See “Using the SCSISelect utility program” on page 19
for more information.
v ServerGuide CD
The ServerGuide CD includes software setup and installation tools that are
specifically designed for your IBM server. You can use this CD during the initial
installation of your server to configure the server hardware and simplify your
network operating system installation. See “Using the ServerGuide Setup and
Installation CD” on page 21 for more detailed information.
v SCSI or RAID programs
The SCSI or RAID programs come with the optional SCSI or RAID adapter and
with server models that have a SCSI or RAID adapter preinstalled. If your server
has a SCSI or RAID adapter installed, you must use the SCSI or RAID
Configuration program to define and configure your disk-array subsystem before
you install your operating system.
Using the Configuration/Setup Utility program
This section provides the instructions to start the Configuration/Setup Utility program
and descriptions of the available menu choices.
Starting the Configuration/Setup Utility program
Complete the following steps to start the Configuration/Setup Utility program:
1. Turn on the server and watch the monitor screen.
2. When the message Press F1 for Configuration/Setup appears, press F1.
Note: If you have set both levels of passwords (user and administrator), you
must type the administrator password to access the full
Configuration/Setup Utility menu.
3. Follow the instructions that appear on the screen.
Choices available from the Configuration/Setup Utility main menu
From the Configuration/Setup Utility main menu, you can select settings that you
want to change. The Configuration/Setup Utility main menu is similar to the
© Copyright IBM Corp. 2002
11
following.
Configuration/Setup Utility
• System Summary
• System Information
• Devices and I/O Ports
• Date and Time
• System Security
• Start Options
• Advanced Setup
• Error Logs
Save Settings
Restore Settings
Load Default Settings
Exit Setup
<F1> Help
<Esc> Exit
< ↑ > < ↓ > Move
<Enter> Select
Notes:
1. You can press F1 to display help information for a selected menu item.
2. The choices on some menus might differ slightly, depending on the BIOS
version in your server.
The following choices are available from the main menu:
v System Summary
Select this choice to display configuration information. This includes the type and
speed of the microprocessors and the amount of memory that is installed.
Select this choice to view the microprocessor settings, such as identifiers, cache
sizes, and speeds.
Changes that you make to configuration settings appear on this summary screen.
You cannot edit the fields.
This choice appears on both the full and limited Configuration/Setup Utility
menus.
v System Information
Select this choice to display information about your server. Changes that you
make on other menus might appear on this summary screen. You cannot edit
any fields. The System Information choice appears only on the full
Configuration/Setup Utility main menu.
– Product Data
Select this choice to view system information, such as the machine type and
model, the server serial number, and the revision level or issue date of the
BIOS that is stored in the flash electrically erasable programmable ROM
(EEPROM).
v Devices and I/O Ports
Select this choice to view or change the assignments for devices and
input/output ports. This choice appears only on the full Configuration/Setup Utility
main menu.
You can use this choice to enable or disable the integrated SCSI, video, and
Ethernet controllers.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
– The default setting is Enable for all the controllers. If you select Disable, the
system will not configure the disabled device, and the operating system will
not detect the device. (This is equivalent to unplugging the device.)
– If the on-board SCSI controller is disabled and no other controller and mass
storage device are installed, operating-system startup cannot occur.
– If the video controller is disabled and no video adapter is installed, the server
will have no video capability.
Select System Service Processor Settings to view the interrupt-request setting
(IRQ) that is used by the ISMP (service processor). You can then use the arrow
keys to select a new IRQ setting for the ISMP from the list of available choices.
v Date and Time
Select this choice to set the system date and time and to change the system
time that is sent to the ISMP (service processor) when the server is started. This
choice appears only on the full Configuration/Setup Utility main menu.
The system time is in a 24-hour format (hour:minute:second).
v System Security
Select this choice to set passwords or a system owner’s name. This choice
appears only on the full Configuration/Setup Utility main menu.
You can implement two levels of password protection:
– Power-on Password
Select this choice to set or change a power-on password. See “Using
passwords” on page 16 for more information.
– Administrator Password
If an optional Remote Supervisor Adapter is installed in the server, you can
also set the administrator password and the remote-control password.
Select this choice to set or change an administrator password.
Attention: If an administrator password is set and then forgotten, it cannot
be overridden or removed. You must replace the Remote Supervisor Adapter
in PCI slot 1.
The administrator password provides access to all choices on the
Configuration/Setup Utility main menu. You can set, change, or delete both
the administrator and power-on passwords and allow a power-on password to
be changed by the user.
See “Using passwords” on page 16 for more information.
v Start Options
Select this choice to view or change the start options. This choice appears only
on the full Configuration/Setup Utility main menu. Start options take effect when
you start your server.
You can select keyboard operating characteristics, such as the keyboard speed.
You also can specify whether the keyboard number lock starts on or off. You also
can enable the server to run without a diskette drive, monitor, or keyboard.
Note: If you attach a standard (non-USB) keyboard to the keyboard port, the
USB ports and devices will be disabled during the power-on self-test
(POST). You might need to enable keyboardless operation to prevent the
POST error message 301 from being displayed during startup. For
detailed information about this option and how to connect it to your server,
refer to the documentation that comes with the option.
Chapter 2. Configuration
13
The server uses a startup sequence to determine the device from which the
operating system is loaded. For example, you can define a startup sequence that
checks for a startable diskette in the diskette drive, then checks the hard disk
drive in bay 1, and then checks a network adapter.
You can set the Planar Ethernet PXE/DHCP menu choice to enable or disable
the Preboot eXecution Environment (PXE) option for the integrated Gigabit
Ethernet controller. The default setting for this menu item is Planar Ethernet,
which enables the PXE option. To disable this option, select Disabled.
If the Boot Fail Count choice is enabled, you can restore the BIOS system
defaults after three consecutive boot failures. If this choice is disabled, the BIOS
system defaults can be loaded only from the Configuration/Setup Utility main
menu.
You can enable a virus-detection test that checks for changes in the master boot
record at startup.
v Advanced Setup
Select this choice to change values for advanced hardware features, such as
cache control, PCI configuration, Hot Spare Memory, and Hyper-Threading
technology. This choice appears only on the full Configuration/Setup Utility main
menu.
A warning message appears above the choices on this menu to alert you that the
system might malfunction if these options are configured incorrectly. Follow the
instructions on the screen carefully.
– System Partition Visibility
Select this choice to indicate whether the System Partition is visible. To make
the System Partition visible, set this value to Visible. To make the System
Partition invisible, set this value to Hidden. See “Using the ServerGuide Setup
and Installation CD” on page 21 for additional information about the System
Partition.
– Core Chipset Control
Select this choice to modify settings that control features of the core chip set
on the system board.
To maintain optimum system operation in the event of a memory failure, you
can enable the Hot Spare Memory feature on the Core Chipset Control
menu. This feature removes the failed memory from the system configuration
and activates a Hot Spare Memory pair or quad of DIMMs to replace the
failed memory pair or quad of DIMMs. Before you can enable the Hot Spare
Memory feature, you must also install at least one additional memory pair or
quad of DIMMs and adhere to special requirements as described in “Installing
memory modules” on page 82. You can also enable the Memory Remapping
feature on the Core Chipset Control menu. To enable the Hot Spare Memory
and Memory Remapping features, change the values from No to Yes.
– CPU Options
Select this choice to enable or disable the microprocessor cache. In addition,
you can set the microprocessor cache mode to write-back (WB) or
write-through (WT). Selecting write-back mode will provide better system
performance.
– PCI Bus Control
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Select this choice to view and identify system resources that are used by PCI
and PCI-X devices. PCI and PCI-X devices automatically communicate with
the server configuration information. This usually results in automatic
configuration of a PCI or PCI-X device.
After making changes, select:
- PCI MLT to assign Master Latency Timer (MLT) values for the PCI and
PCI-X devices in the server.
- PCI Interrupt Routing to assign interrupt values for the PCI and PCI-X
devices in the server.
– Memory Settings
Select this choice to manually enable a pair or quad of memory.
Notes:
1. A pair or quad is also known as a memory bank.
2. You cannot disable memory. Memory can only be disabled by the server.
3. For details on enabling the Hot Spare Memory feature, see the description
of the Core Chipset Control menu under Advanced Setup.
If a memory error is detected during POST or memory configuration, the
server can automatically disable the failing memory pair or quad and continue
operating with reduced memory capacity. If this occurs, you must manually
enable the memory pair or quad after the problem is corrected. Select
Memory Settings from the Advanced Setup menu, and use the arrow keys
to highlight the pair or quad that you want to enable; then, use the arrow keys
to select Enable.
Note: For details on enabling the Hot Spare Memory feature, see the
description of the Core Chipset Control menu under Advanced Setup.
– Integrated System Management Processor Settings
Select this choice to set the server to automatically restart after a
nonmaskable interrupt (NMI) occurs. The default setting for this menu item is
Enabled.
v Error Logs
Select this choice to view or clear error logs.
– Select POST Error Log to view the three most recent error codes and
messages that the system generated during POST.
Select Clear event/error logs from the POST Error Log menu to clear the
Error log.
– Select System Event/Error Log to view the System Event/Error log. The
System Event/Error log contains all the system error and warning messages
that the system has generated. You can use the arrow keys to move between
pages in the System Event/Error log.
Select Clear event/error logs from the System Event/Error Log menu to
clear the Error or Event log.
v Save Settings
Select this choice to save your customized settings.
v Restore Settings
Select this choice to delete your changes and restore the previous settings.
v Load Default Settings
Select this choice to cancel your changes and restore the factory settings.
v Exit Setup
Chapter 2. Configuration
15
If you have made any changes, the program will prompt you to save the changes
or exit without saving the changes.
Additional Configuration/Setup Utility menu choices
When you install an optional Remote Supervisor Adapter in your server, you can
view additional menu choices in the Configuration/Setup Utility program, such as:
v System Card Data on the System Information menu
Select this choice to view vital product data (VPD) for some server components.
v PCI Slot Information
Select this choice to view the properties of adapters that are installed in PCI and
PCI-X slots.
Important: You must use the menu selections to save custom settings for the
PCI Slot/Device Information choice. The Save Settings, Restore Settings, and
Load Default Settings choices on the main menu of the Configuration/Setup
Utility do not save the PCI Slot/Device Information settings.
After making changes, select:
– Save and exit the PCI Utility to save the changes and return to the
Advanced Setup choice.
– Exit the PCI Utility without saving changes to ignore the changes, restore
the previous settings, and return to the Advanced Setup choice.
You can use PCI Device Control to enable or disable the PCI and PCI-X slots
from this menu. The default setting is Enable for all the PCI slots. If you select
Disable, the system will not configure the disabled device, and the operating
system will not detect the device. (This is equivalent to unplugging the device.)
v Administrator Password
Select this choice to set or change the administrator password.
v Remote Control Security Settings
Select this choice to set a remote-control password. When you set a
remote-control password, you can also set the number of failed attempts to enter
the correct remote-control password, and the required duration before another
attempt can be made.
For a list of supported options for your server, go to
http://www.ibm.com/us/compat/ on the World Wide Web. To order an optional
Remote Supervisor Adapter, contact your IBM reseller or IBM marketing
representative.
Using passwords
The System Security choice appears only on the full Configuration/Setup Utility
menu. After you select this choice, you can implement two levels of password
protection: power-on password and administrator password.
Power-on password
After you set a power-on password, you can enable the Unattended Start mode.
This locks the keyboard and mouse but allows the operating system to start. The
keyboard and mouse remain locked until you type the correct password.
You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for
your power-on password. Keep a record of your password in a secure place. When
a power-on password is set, POST is not completed until you type the password. If
you forget the power-on password, you can regain access to the server through one
of the following methods:
16
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
v Type the administrator password at the power-on prompt, if an administrator
password has been set. (If necessary, see “Administrator password” for details.)
Start the Configuration/Setup Utility program, and change the power-on
password.
v Change the position of the power-on password override switch (switch 6 on
switch block 2 on the system board) to bypass the power-on password check.
You can then start the Configuration/Setup Utility program and change the
power-on password (see “Starting the Configuration/Setup Utility program” on
page 11).
Notes:
1. Before changing any switch settings or moving any jumpers, turn off the
server; then, disconnect all power cords and external cables.
2. Any system-board switch or jumper blocks that are not shown in the
illustrations in this book are reserved.
v Power-on password override (switch 6 on switch block 2)
Changing the position of this switch bypasses the power-on password check if
the switch has been moved since the server was last turned on. You do not need
to move the switch back to the default position after the password is overridden.
The default position is Off. To bypass the power-on password check, change the
position to On
Changing the position of this switch does not affect the administrator password
check if an administrator password is set.
v Remove the battery and then reinstall the battery (see “Replacing the battery” on
page 103).
Administrator password
Select this choice to set an administrator password. The administrator password
provides access to all choices on the Configuration/Setup Utility main menu. You
can set, change, or delete both the administrator and power-on passwords and
allow a power-on password to be changed by the user.
Attention: If an administrator password is set and then forgotten, it cannot be
overridden or removed. You must replace the Remote Supervisor Adapter in PCI
slot 1.
The following table provides a summary of the password features.
Table 2. Power-on and administrator password features
Type of password
Features
Power-on password
v Type the password to complete the system startup.
v All choices are available on the Configuration/Setup Utility main
menu.
Administrator password
v No password is required to start the system.
v Type the password to access the Configuration/Setup Utility
program.
v All choices are available on the Configuration/Setup Utility main
menu.
Chapter 2. Configuration
17
Table 2. Power-on and administrator password features (continued)
18
Type of password
Features
Administrator and
power-on password
v You can type either password to complete the system startup.
v The administrator password provides access to all choices on
the Configuration/Setup Utility main menu. You can set,
change, or delete both the administrator and power-on
passwords and allow a power-on password to be changed by
the user.
v The power-on password provides access to a limited set of
choices on the Configuration/Setup Utility main menu. This
limited access might include changing or deleting the power-on
password.
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Using the SCSISelect utility program
SCSISelect is a built-in, menu-driven configuration utility program that you can use
to:
v View the default SCSI IDs
v Locate and correct configuration conflicts
v Perform a low-level format on a SCSI hard disk (some servers)
The following sections provide the instructions to start the SCSISelect Utility and
descriptions of the available menu choices.
Note: If your server has a RAID adapter installed, use the configuration method
supplied with the RAID adapter to view or change SCSI settings for attached
devices.
Starting the SCSISelect utility program
Complete the following steps to start the SCSISelect utility program:
1. Turn on the server.
2. When the <<< Press <CTRL><A> for SCSISelect Utility! >>> prompt appears,
press Ctrl+A.
Note: If an administrator password has been set, you are prompted to type the
password to start the SCSISelect Utility program.
3. When prompted, select either channel A (external) or channel B (internal).
4. Use the arrow keys to select a choice from the menu.
v Press Esc to return to the previous menu.
v Press F5 to switch between color and monochrome modes (if your monitor
permits).
5. Follow the instructions on the screen to change the settings of the selected
items; then, press Enter.
Choices available from the SCSISelect menu
The following choices appear on the SCSISelect Utility menu:
v Configure/View Host Adapter Settings
Select this choice to view or change the SCSI controller settings. To reset the
SCSI controller to its default values, press F6; then, follow the instructions that
appear on the screen.
You can view or change the following controller settings:
– Host Adapter SCSI ID
Select this choice to view the SCSI controller ID, which is usually 7.
– SCSI Parity Checking
The assigned value for this setting is Enabled, and it cannot be changed.
– Host Adapter SCSI Termination
The assigned value for this setting is Enabled, and it cannot be changed.
– Boot Device Options
Select this choice to configure startable device parameters. Before you can
make updates, you must know the ID of the device whose parameters you
want to configure.
– SCSI Device Configuration
Chapter 2. Configuration
19
Select this choice to configure SCSI device parameters. Before you can make
updates, you must know the ID of the device whose parameters you want to
configure.
Note: The Maximum Sync Transfer Rate represents the transfer rate for Ultra
SCSI devices.
- The transfer rate for Ultra160 LVD devices is 160.0 MBps.
- The transfer rate for Ultra2 SCSI LVD devices is 80.0 MBps.
- The transfer rate for Fast SCSI devices is 20.0 MBps.
– Advanced Configuration Options
Select this choice to view or change the settings for advanced configuration
options.
v SCSI Disk Utilities
Select this choice to view the SCSI IDs that are assigned to each device or to
format a SCSI device.
To use the utility program, select a drive from the list. Read the screens carefully
before making a selection.
Note: If you press Ctrl+A before the selected drives are ready, an Unexpected
SCSI Command Failure screen might appear. Restart the server and
watch the SCSISelect messages as each drive spins up. After the drive
that you want to view or format spins up, press Ctrl+A.
v Format Disk
Attention: The Low-Level Format program erases all data and programs.
If this choice appears on the SCSISelect menu, select this choice to perform a
low-level format on a hard disk drive. Depending on the hard disk drive capacity,
the Low-Level Format program could take up to 2 hours.
Use the Low-Level Format program:
– When you are installing software that requires a low-level format
– When you get recurring messages from the diagnostic tests directing you to
run the Low-Level Format program on the hard disk drive
– As a last resort before replacing a failing hard disk drive
Note: If your server has a PCI RAID adapter installed, see the RAID adapter
documentation for instructions for performing low-level formats on hard
disk drives attached to the adapter.
To start the Low-Level Format program:
1. If the hard disk drive is working, make a backup copy of all the files and
programs on the hard disk. (See your operating-system information for
instructions.)
2. Select Format Disk; then, follow the instructions on the screen.
Note: A hard disk typically contains more tracks than its stated capacity (to
allow for defective tracks). A message appears on the screen if the
defect limit is reached. If this happens, replace the hard disk drive.
20
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Using the ServerGuide Setup and Installation CD
The ServerGuide Setup and Installation CD includes an easy-to-use setup and
installation program that is specifically designed for your IBM server. The
ServerGuide program detects the server model and hardware options that are
installed and uses that information during setup to configure the hardware. The
ServerGuide program simplifies network operating system (NOS) installations by
providing updated device drivers and, in some cases, installing them automatically.
If a later version of the ServerGuide program is available, you can download a free
image of the ServerGuide Setup and Installation CD, or you can purchase the CD.
To download the latest ServerGuide program, go to the IBM ServerGuide Web page
at http://www.ibm.com/pc/qtechinfo/MIGR-4ZKPPT.html. To purchase the latest
ServerGuide Setup and Installation CD, see the “ServerGuide Updates” flyer that
comes with your server library, or go to the ServerGuide fulfillment Web site at
http://www.ibm.com/pc/coupon/.
The ServerGuide program has the following features to make setup easier:
v An easy-to-use interface with online help
v Diskette-free setup, and configuration programs that are based on detected
hardware
v Performance Optimizer program, which easily tunes your SCSI RAID adapter
settings for your server environment
v A system BIOS update program, which updates the BIOS code directly from the
CD
v Device drivers that are provided for your server model and detected hardware
v NOS partition size and file-system type that are selectable during setup
ServerGuide features
Features and functions can vary slightly with different versions of the ServerGuide
program. To learn more about the version that you have, start the ServerGuide
Setup and Installation CD and view the online overview. Not all features are
supported on all server models.
The ServerGuide program requires a supported IBM server with an enabled
startable (bootable) CD-ROM drive. In addition to the ServerGuide Setup and
Installation CD, you must have your NOS CD to install your NOS.
The ServerGuide program has the following features:
v Sets system date and time.
v Detects the SCSI RAID adapter or controller and runs the SCSI RAID
configuration program.
v Updates the licensed internal code (firmware) level without diskettes.
v Checks the system BIOS code and microcode (firmware) levels of supported
options to determine whether a later level is available from the CD. You can
perform updates without using diskettes.
v Provides the Performance Optimizer program to easily tune your SCSI RAID
adapter settings for your server environment.
v Creates a System Partition on the default drive. You can run server-specific utility
programs after setup.
v Detects installed hardware options and provides updated device drivers for most
adapters and devices.
v Creates a setup-replication diskette for replicating setup selections for other
servers of the same model.
Chapter 2. Configuration
21
v Provides diskette-free installation for supported operating systems.
v Provides a replicated installation path for multiple installations of supported
operating systems.
v Includes an online README file with links to tips for your hardware and NOS
installation.
Setup and configuration overview
When you use the ServerGuide Setup and Installation CD, you do not need setup
diskettes. You can use the CD to configure any supported IBM server model. The
ServerGuide program checks your system BIOS, service processors, and other
system hardware to determine if system updates are available. The setup program
provides a list of tasks that are required to set up your server model. On SCSI
RAID servers, you can run the SCSI RAID configuration program to create logical
drives.
Note: Features and functions can vary slightly with different versions of the
ServerGuide program.
When you start the ServerGuide Setup and Installation CD, the program performs
the following tasks:
v The ServerGuide program prompts you for your language, country, and keyboard
layout. (This information is stored and later passed to the NOS installation
program.)
v The ServerGuide program displays choices for running the configuration
programs. For example:
– The Express Configuration method runs the required programs for your
server, based on the hardware that is detected.
– The Custom Configuration method displays all programs that are available for
your server, and you decide which programs to run.
– The Replicated Configuration method provides the option of duplicating your
setup selections to other servers that are the same model.
v If you select the Custom Configuration method, the following features are
optional. If you select the Express Configuration method, some or all of these
features are run, depending on the hardware that is detected:
– The Set Date and Time feature is provided so that you do not have to use the
Configuration/Setup Utility program to access these settings.
– The Clear Hard Disks feature is provided so you can delete all partitions on all
hard disk drives. If the server has a SCSI RAID adapter installed, you can
select to restore the configuration on the SCSI RAID adapter to the factory
default settings.
– The ServerGuide program checks the server BIOS code and microcode
(firmware) levels for supported options and then checks the CD for a newer
level. The CD content might be newer than the BIOS code and firmware level.
The ServerGuide program can perform a flash update of the BIOS code and
supported microcode (firmware) options without using diskettes.
– The SCSI RAID configuration program starts, leading you through the entire
configuration process.
– The Performance Optimizer program easily tunes your server for your
environment.
– The ServerGuide program creates a System Partition on the default drive.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
v The ServerGuide program displays a confirmation summary, so that you will
know when you have completed all the required tasks. Then, you are ready to
install your NOS.
Notes:
1. Plug and Play adapters are configured automatically. Non-Plug and Play
adapters or non-IBM adapters might require switch settings, additional device
drivers, and installation after the NOS is installed. See the documentation that
comes with the adapter.
2. Diagnostics for your server come in BIOS code or on a separate diagnostics
CD.
System Partition
The ServerGuide program creates a 50 MB System Partition on the default drive.
The System Partition contains server-specific utility programs such as service
processor disk operating system (DOS) utilities, system diagnostics, flash BIOS
updates, and other programs. Programs in the System Partition vary by server
model, and not all server models run utility programs from the System Partition. To
determine which ones do, start the ServerGuide Setup and Installation CD and view
the online overview.
After setup is complete, you can access programs in the System Partition by
restarting the server and pressing Alt+F1 when the prompt is displayed. The
System Partition menu displays the programs that are available on your server
model.
Typical NOS installation
You can use the ServerGuide program to shorten your installation time. The
ServerGuide program provides the device drivers that are required for your
hardware and for the NOS that you are installing. This section describes a typical
ServerGuide NOS installation.
Note: Features and functions can vary slightly with different versions of the
ServerGuide program.
1. After you have completed the setup process, the NOS installation program
starts. (You will need your NOS CD to complete the installation.)
2. The ServerGuide program stores information about the server model, service
processor, hard disk drive controllers, and network adapters. Then, the program
checks the CD for newer device drivers. This information is stored and then
passed to the NOS installation program.
3. With some NOS installations, you can create a NOS-replication diskette for
setting up additional servers. This diskette contains the Internet protocol (IP)
address, server name, and other selections.
4. The ServerGuide program presents NOS partition options that are based on
your NOS selection and the installed hard disk drives.
5. If you are installing the NOS from diskette, the ServerGuide program lists the
diskettes that you must create and the optional diskettes that you might want to
create. The diskettes that you can create are the device-driver diskettes for the
installed adapters or controllers.
6. The ServerGuide program prompts you to insert your NOS CD and restart the
server. At this point, the installation program for the NOS takes control to
complete the installation.
Chapter 2. Configuration
23
Setting up or updating multiple servers
You can use the ServerGuide program to create diskettes that help you set up or
update multiple servers. You can modify information on the diskettes as you use
them to set up or update other servers.
Note: Availability and function can vary by server model and by the hardware that
is installed.
You can create a setup-replication diskette, which contains your hardware
configuration selections. Use this diskette to replicate selections to other servers
that are of the same model.
You can create a NOS-replication diskette, which contains information that you need
to complete multiple installations. Not all operating systems support NOS-replication
diskettes.
Installing your NOS without ServerGuide
If you have already configured the server hardware and you decide not to use the
ServerGuide program to install your NOS, complete the following steps to download
the latest NOS installation instructions from the IBM Support Web page:
1. Go to http://www.ibm.com/pc/support/.
2. Under Browse, click Servers.
3. From the Family drop-down list, select your server model.
4. If NOS installation instructions are available for your server model, OS
installation is in the list in the upper-left corner of the Web page. Click OS
installation and select the instructions for your NOS.
Configuring the Gigabit Ethernet controller
The Ethernet controller is integrated on the system board. This controller provides
an interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks and
provides full duplex (FDX) capability, which enables simultaneous transmission and
reception of data on the Ethernet local area network (LAN). You do not need to set
any jumpers or configure the controller for your operating system before you use
the Ethernet controller. However, you must install a device driver to enable your
operating system to address the Ethernet controller. The device drivers are provided
on the ServerGuide Setup and Installation CD.
When you connect your server to the network, the Ethernet controller automatically
detects the data-transfer rate (10-Mbps, 100-Mbps, or 1000-Mbps) on the network
and then sets the controller to operate at the appropriate rate. In addition, if the
Ethernet ports that your server is connected to support auto-negotiation, the Gigabit
Ethernet controller will set the appropriate duplex state. That is, the Ethernet
controller will adjust to the network data rate, whether the data rate is standard
Ethernet (10BASE-T), Fast Ethernet (100BASE-TX/1000BASE-T), half duplex
(HDX), or full duplex (FDX). The controller supports half-duplex (HDX) and
full-duplex (FDX) modes at both speeds.
For information on configuring your Ethernet controller, see the Broadcom
NetXtreme Gigabit Ethernet Software CD that comes with your server. For updated
information about configuring your Ethernet controller, go to the IBM Support Web
site at http://www.ibm.com/pc/support and navigate to the area for your specific
server type. From this area you can download documentation, the most current
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
device drivers for your server, and software that supports advanced networking
functions. After downloading, run the downloaded program launch.exe.
High-performance Ethernet modes
Your Ethernet controller supports optional modes, such as teaming, priority packets,
load balancing, fault tolerance, and virtual LANs, which provide higher performance,
security, and throughput for your server. These modes apply to the integrated
Ethernet controller and to the controllers on supported Ethernet adapters.
Ethernet port connector
The following illustration shows the pin-number assignments for the RJ-45
connector. These assignments apply to the 10BASE-T, 100BASE-TX, and
1000BASE-T devices.
8
1
Chapter 2. Configuration
25
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 3. Diagnostics
This section provides basic troubleshooting information to help you resolve some
common problems that might occur with your server.
If you cannot locate and correct the problem using the information in this section,
see Appendix A, “Getting help and technical assistance” on page 167 for more
information.
General checkout
The server diagnostic programs are stored in upgradeable read-only memory
(ROM) on the system board. These programs are the primary method of testing the
major components of the server: the system board, Ethernet controller, video
controller, RAM, keyboard, mouse (pointing device), diskette drive, serial ports, and
hard disk drives. You can also use the diagnostic programs to test some external
devices. See “Diagnostic programs and error messages” on page 30.
If you cannot determine whether a problem is caused by the hardware or by the
software, you can run the diagnostic programs to confirm that the hardware is
working properly.
When you run the diagnostic programs, a single problem might cause several error
messages. When this occurs, work to correct the cause of the first error message.
After the cause of the first error message is corrected, the other error messages
might not occur the next time you run the test.
A failed system might be part of a shared DASD cluster (two or more systems
sharing one or more external storage devices). Before you run diagnostics, verify
that the failing system is not part of a shared DASD cluster.
A system might be part of a cluster if:
v The system is identified as part of a cluster.
v One or more external storage units are attached to the system and at least one
of the attached storage units is also attached to another system or unidentifiable
source.
v One or more systems are located near the failing system.
If the failing system is suspected to be part of a shared DASD cluster, you can run
all diagnostic tests except the diagnostic tests that test the storage unit (DASD
residing in the storage unit) or the storage adapter attached to the storage unit.
Notes:
1. For systems that are part of a shared DASD cluster, run one test at a time in
looped mode. Do not run all tests in looped mode, because this could enable
the DASD diagnostic tests.
2. If multiple error codes are displayed, diagnose the first error code that is
displayed.
3. If the computer stops with a POST error, go to “POST error codes” on page 147.
4. If the computer stops and no error is displayed, go to “Undetermined problems”
on page 157.
5. For power supply problems, see “Power-supply LED errors” on page 146.
6. For safety information, see “Safety information” on page 169.
© Copyright IBM Corp. 2002
27
7. For intermittent problems, check the error log.
001
IS THE SYSTEM PART OF A CLUSTER?
YES. Schedule maintenance for the system. Shut down all systems related
to the cluster. Run the storage test.
NO. Go to step 002.
002
IF THE SYSTEM IS NOT PART OF A CLUSTER:
1. Turn off the server and all external devices.
2. Check all cables and power cords.
3. Set all display controls to the middle position.
4. Turn on all external devices.
5. Turn on the server.
6. Record any POST error messages that are displayed on the screen. If
an error is displayed, look up the first error in the “POST error codes”
on page 147.
7. Check the information LED panel System Error LED; if it is on, see
“Diagnostic panel system error LED” on page 132.
8. Check the System Error log. If an error was recorded by the system,
see Chapter 6, “Symptom-to-FRU index” on page 129.
9. Start the diagnostic programs.
10. Check for the following responses:
v One beep.
v Readable instructions or the main menu.
003
DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?
NO. Find the failure symptom in Chapter 6, “Symptom-to-FRU index” on
page 129.
YES. Run the diagnostic programs. If necessary, see “Diagnostic programs
and error messages” on page 30.
If you receive an error, see Chapter 6, “Symptom-to-FRU index” on
page 129.
If the diagnostic programs were completed successfully and you still
suspect a problem, see “Undetermined problems” on page 157.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Diagnostic tools overview
The following tools are available to help you identify and resolve hardware-related
problems:
v POST beep codes, error messages, and error logs
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See “POST error logs”
for more information.
v Diagnostic programs and error messages
The server diagnostic programs are stored in upgradeable read-only memory
(ROM) on the processor board. These programs are the primary method of
testing the major components of your server. See “Diagnostic programs and error
messages” on page 30 for more information.
v Light Path Diagnostics
Your server has light-emitting diodes (LEDs) to help you identify problems with
server components. These LEDs are part of the Light Path Diagnostics™ that are
built into your server. By following the path of lights, you can quickly identify the
type of system error that occurred. See “Identifying problems using status LEDs”
on page 32 for more information.
v Error symptoms
Other error symptoms, along with suggested steps to correct the problems, are
described at “Error symptoms” on page 139.
POST error logs
When you turn on the server, it performs a series of tests to check the operation of
server components and some of the options that are installed in the server. This
series of tests is called the power-on self-test, or POST.
If POST finishes without detecting any problems, a single beep sounds, and the first
screen of your operating system or application program appears.
If POST detects a problem, more than one beep sounds, and an error message
appears on your screen. See “Beep symptoms” on page 129 and “POST error
codes” on page 147 for more information.
Notes:
1. If you have a power-on password or administrator password set, you must type
the password and press Enter, when prompted, before POST will continue.
2. A single problem might cause several error messages. When this occurs, work
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will not occur the next
time you run the test.
The POST error log contains the three most recent error codes and messages that
the system generated during POST. The System Error log contains all messages
issued during POST and all system status messages from the service processor.
You can view the contents of the System Error log from the Configuration/Setup
Utility program or from the diagnostic programs.
Chapter 3. Diagnostics
29
Viewing error logs from the Configuration/Setup Utility program
Start the Configuration/Setup Utility program; then, select Error Logs from the main
menu. See “Using the Configuration/Setup Utility program” on page 11 for more
information.
Viewing error logs from diagnostic programs
Start the diagnostic programs (“Starting the diagnostic programs” on page 31);
select Hardware Info from the top of the diagnostic programs screen; select
System Error Log from the list that appears; then, follow the instructions on the
screen.
Diagnostic programs and error messages
The server diagnostic programs are stored in upgradeable read-only memory
(ROM) on the system board. These programs are the primary method of testing the
major components of your server.
Diagnostic error messages indicate that a problem exists; they are not intended to
be used to identify a failing part. Troubleshooting and servicing of complex
problems that are indicated by error messages should be performed by trained
service personnel.
Sometimes the first error to occur causes additional errors. In this case, the server
displays more than one error message. Always follow the suggested action
instructions for the first error message that appears.
The following sections contain the error codes that might appear in the detailed test
log and summary log when the diagnostic programs are run.
The error code format is as follows:
fff-ttt-iii-date-cc-text message
where:
fff
is the three-digit function code that indicates the function being
tested when the error occurred. For example, function code 089 is
for the microprocessor.
ttt
is the three-digit failure code that indicates the exact test failure that
was encountered. (These codes are for trained service personnel;
see “Diagnostic error codes” on page 135).
iii
is the three-digit device ID. (These codes are for trained service
personnel; see “Diagnostic error codes” on page 135).
date
is the date that the diagnostic test was run and the error recorded.
cc
is the check value that is used to verify the validity of the
information.
text message is the diagnostic message that indicates the reason for the problem.
Text messages
The diagnostic text message format is as follows:
Function Name: Result (test specific string)
where:
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Function Name
is the name of the function being tested when the error occurred. This
corresponds to the function code (fff) shown in the error code format in the
previous section.
Result
can be one of the following:
Passed
This result occurs when the diagnostic test
is completed without any errors.
Failed
This result occurs when the diagnostic test
discovers an error.
User Aborted
This result occurs when you stop the
diagnostic test before it is complete.
Not Applicable
This result occurs when you specify a
diagnostic test for a device that is not
present.
Aborted
This result occurs when the test could not
proceed, for example, because of the
system configuration.
Warning
This result occurs when a possible problem
is reported during the diagnostic test, such
as when a device driver is not found.
test specific string
is additional information that you can use to analyze the problem.
Starting the diagnostic programs
You can press F1 while running the diagnostic programs to obtain help information.
You also can press F1 from within a help screen to obtain online documentation
from which you can select different categories. To exit from the help information and
return to where you left off, press Esc.
Complete the following steps to start the diagnostic programs:
1. Turn on the server and watch the screen.
Note: To run the diagnostic programs, you must start the server with the
highest level password that is set. That is, if an administrator password is
set, you must enter the administrator password, not the power-on
password, to run the diagnostic programs.
2.
3.
4.
5.
When the message F2 for Diagnostics appears, press F2.
Type the appropriate password; then, press Enter.
Select either Extended or Basic from the top of the screen.
When the Diagnostic Programs screen appears, select the test you want to run
from the list that appears; then, follow the instructions on the screen.
Notes:
a. If the server stops during testing and you cannot continue, restart the server
and try running the diagnostic programs again. If the problem remains,
replace the component that was being tested when the server stopped.
b. The keyboard and mouse (pointing device) tests assume that a keyboard
and mouse are attached to the server.
Chapter 3. Diagnostics
31
c. If you run the diagnostic programs with either no mouse or a USB mouse
attached to your server, you will not be able to navigate between test
categories using the Next Cat and Prev Cat buttons. All other functions
provided by mouse-selectable buttons are also available using the function
keys.
d. You can test the USB keyboard by using the regular keyboard test. The
regular mouse test can test a USB mouse. Also, you can run the USB
interface test only if there are no USB devices attached.
e. You can view server configuration information (such as system configuration,
memory contents, interrupt request (IRQ) use, direct memory access (DMA)
use, device drivers, and so on) by selecting Hardware Info from the top of
the screen.
If the diagnostic programs do not detect any hardware errors but the problem
persists during normal server operations, a software error might be the cause. If
you suspect a software problem, see the information that comes with the software
package.
Viewing the test log
When the tests are completed, you can view the test log by selecting Utility from
the top of the screen and then selecting View Test Log.
Notes:
1. You can view the test log only while you are in the diagnostic programs. When
you exit the diagnostic programs, the test log is cleared (saved test logs are not
affected). To save the test log so that you can view it later, click Save Log on
the diagnostic programs screen and specify a location and name for the saved
log file.
2. To save the test log to a diskette, you must use a diskette that you have
formatted yourself; this function does not work with preformatted diskettes. If the
diskette has sufficient space for the test log, the diskette may contain other
data.
Viewing the System Error log
You can also view the System Error log from the diagnostic programs. See the
instructions in “Viewing error logs from diagnostic programs” on page 30.
Diagnostic error message tables
For descriptions of the error messages that might appear when you run the
diagnostic programs, see “Diagnostic error codes” on page 135.
Notes:
1. Depending on your server configuration, some of these error messages might
not appear when you run the diagnostic programs.
2. If diagnostic error messages appear that are not listed in the following tables,
make sure that your server has the latest levels of BIOS, Advanced System
Management Processor, ServeRAID™, and diagnostics microcode installed.
Identifying problems using status LEDs
Your server has LEDs to help you identify problems with some server components.
These LEDs are part of the Light Path Diagnostics built into the server. By following
the path of lights, you can quickly identify the type of system error that occurred.
32
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
LEDs for Active PCI slots
Each Active (hot-plug) PCI slot has two LEDs associated with it: one Power-on LED
and one Attention LED. The illustration in “System-board LED locations” on page 49
shows the location of these LEDs.
Power-on LED
This LED is on when the hot-plug PCI slot has power. An adapter must not
be added to or removed from the PCI slot when the Power-on LED is on.
When this LED is off, the hot-plug PCI slot has no power applied. An
adapter can be added to or removed from the PCI slot when the Power-on
LED is off.
See your operating-system documentation to determine if your operating
system supports hot-plug PCI adapters and, if so, how to disable the
hot-plug PCI slot.
Attention LED
Each hot-plug PCI slot has an Attention LED that can be seen from inside
the server.
An Attention LED flashes approximately once per second when it is on. The
meaning of the Attention LED is defined by your operating system. See
your operating-system documentation to determine if your operating system
supports hot-plug PCI adapters and, if so, what the Attention LED indicates.
The following table describes the Power-on and Attention LEDs.
Power-on LED
Attention LED
Description and action
On
Flashing
The adapter requires attention. The slot still
has power applied. Do not remove or install
an adapter in the slot. See your
operating-system documentation for
instructions.
On
Off
Normal operation; no intervention is
required.
Off
Flashing
The adapter requires intervention. Power is
removed from the slot. An adapter can be
removed or installed in the slot.
Off
Off
Power is removed from the slot. An adapter
can be removed or installed in the slot.
Power-supply LEDs
The ac and dc power LEDs on the power supply provide status information about
the power supply. The following illustration shows the location of the ac and dc
power LEDs.
Chapter 3. Diagnostics
33
Hot-swap fan
Release
latch
Power supply
Release latch
AC power LED
DC power LED
Handle
(open position)
The following table describes the ac and dc power LEDs.
For more information about the ac and dc power LEDs, see “Power-supply LED
errors” on page 146.
Light Path Diagnostics
You can use the Light Path Diagnostics feature built into your server to quickly
identify the type of system error that occurred. Your server is designed so that LEDs
remain illuminated when the server shuts down, as long as the power supplies are
operating properly. This feature helps you to isolate the problem if an error causes
the server to shut down.
Diagnostic panel LEDs
The following illustration shows the location of the error LEDs and the Remind
button on the Light Path Diagnostics panel. See “Diagnostic panel system error
LED” on page 132 for information on identifying problems using these LEDs.
MEMORY
NMI
ISMP LOG
D1
D7
PCIA
PCIB PCIC PCID DASD
D2
D8
PS1
PS2
D3
D9
PS3
CPU VRM
TEMP
PS4 FAN OVER NON
D4
SPEC REDUND
Light Path
Diagnostics™
REMIND
D10
D5
D11
D6
D12
Notes:
1. If the memory is configured for 2-way or 4-way memory interleaving and a
single DIMM fails, the lights for all of the interleaved DIMMs on that bank will be
lit. See “Memory errors” on page 36.
34
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
2. The Light Path Diagnostics panel is also called the LED card or the diagnostic
LED panel.
3. Depending on your server model, these items might appear in a different
orientation on the Light Path Diagnostics panel.
4. If an integrated system board VRM or memory board VRM has failed, run
diagnostics (“Starting the diagnostic programs” on page 31) and see Chapter 6,
“Symptom-to-FRU index” on page 129.
5. See the documentation that comes with the system-management software for
more information on the ISMP and system-management adapter.
Remind button
You can use the Remind button to place the front panel system-error LED into the
Remind mode. By pressing the button, you acknowledge the failure but indicate that
you will not take immediate action. If a new failure occurs, the system-error LED will
turn on again.
In the Remind mode, the system-error LED flashes every 2 seconds. The
system-error LED remains in the Remind mode until one of the following situations
occurs:
v All known problems are resolved
v The system is restarted
v A new problem occurs
You can use the Remind button to delay server maintenance until a later time. Also,
resetting the system-error LED enables the LED to react to another error. If the LED
is still on from the first error, it will not indicate additional errors. If you press the
Remind button (causing the LED to flash every 2 seconds) and another error
occurs, the LED will stop flashing and will instead be lit continuously to alert you to
the new error.
Light Path Diagnostics
The system-error LED on the operator information panel is lit when certain system
errors occur. If the system-error LED on your server is lit, you can determine the
cause of the error and the action you should take by checking the table at
“Diagnostic panel system error LED” on page 132.
Error symptoms
This section describes methods for troubleshooting other error symptoms.
Error symptom charts
You can use the error symptom charts to find solutions to problems that have
definite symptoms (see “Error symptoms” on page 139).
If you cannot find the problem in the error symptom charts, go to “Starting the
diagnostic programs” on page 31 to test the server.
Small computer system interface messages
If your receive a SCSI error message when running the SCSISelect Utility program,
see “SCSI error codes” on page 154.
Note: If your server does not have a hard disk drive, ignore any message that
indicates that the BIOS is not installed.
Chapter 3. Diagnostics
35
Memory errors
If the memory is configured for 2-way or 4-way memory interleaving and a single
DIMM fails, the lights for all of the interleaved DIMMs on that bank will be lit. Before
replacing all DIMMs on that bank:
1. Reseat all DIMMs on that bank.
2. Check for a memory mismatch.
3. Run the diagnostic programs (see “Starting the diagnostic programs” on
page 31) and Chapter 6, “Symptom-to-FRU index” on page 129.
If a memory error is identified by the bank in which the failing DIMM is located, use
the following table to determine the correct group of DIMMs:
Table 3. Memory bank installation
Pairs
2-way installation order
4-way installation order
Bank number
1
1.
D2, D8 (std)
1.
D2, D8, D1, D7
Bank 3
2
2.
D4, D10
2.
D4, D10, D3, D9
Bank 2
3
3.
D6, D12
3.
D6, D12, D5, D11
Bank 1
ServerGuide error symptoms
Look for the symptom in the left column of the chart. Probable solutions to the
problem are in the right column.
Table 4. ServerGuide Setup and Installation CD
Symptom
Suggested action
The ServerGuide
Setup and
Installation CD will
not start.
v Ensure that the server is supported and has a startable (bootable)
CD-ROM drive.
v If the startup (boot) sequence settings have been altered, ensure
that the CD-ROM drive is first in the startup sequence.
v If more than one CD-ROM drive is installed, ensure that only one
drive is set as the primary drive. Start the CD from the primary
drive.
The SCSI RAID
v Ensure that there are no duplicate SCSI IDs or IRQ assignments.
program cannot
v Ensure that the hard disk drive is connected properly.
view all installed
drives, or the NOS
cannot be installed.
The Operating
System Installation
program
continuously loops.
Make more space available on the hard disk.
The ServerGuide
Ensure that the NOS CD you have is supported by the ServerGuide
program will not
program. See the ServerGuide Setup and Installation CD label for a
start your NOS CD. list of supported NOS versions.
The NOS cannot
be installed; the
option is not
available.
36
Ensure that the NOS is supported on your server. If the NOS is
supported, either there is no logical drive defined (SCSI RAID
systems) or the ServerGuide System Partition is not present. Run the
ServerGuide program, and ensure that setup is complete.
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Power checkout
Power problems can be difficult to solve. For example, a short circuit can exist
anywhere on any of the power distribution buses. Usually a short circuit will cause
the power subsystem to shut down because of an overcurrent condition.
A general procedure for troubleshooting power problems is as follows:
1. Turn off the server and disconnect all ac power cords.
2. Check for loose cables in the power subsystem. Also check for short circuits, for
example, if there is a loose screw causing a short circuit on a circuit board.
3. Remove adapters and disconnect the cables and power connectors to all
internal and external devices until the server is at the minimum configuration
required to start the server (see “Minimum operating requirements” on page
158).
4. Reconnect all ac power cords and turn on the server. If the server starts up
successfully, replace adapters and devices one at a time until the problem is
isolated. If the server does not start up from the minimal configuration, replace
FRUs of minimal configuration one at a time until the problem is isolated.
To use this method, it is important to know the minimum configuration required for a
system to start (see page 158). For specific problems, see “Power-supply LED
errors” on page 146.
Troubleshooting the Ethernet controller
This section provides troubleshooting information for problems that might occur with
the 10/100/1000 Mbps Ethernet controller.
Network connection problems
If the Ethernet controller cannot connect to the network, check the following
conditions:
v Make sure that the cable is installed correctly.
The network cable must be securely attached at all connections. If it does the
cable is attached but the problem remains, try a different cable.
If you set the Ethernet controller to operate at either 100 Mbps or 1000 Mbps,
you must use Category 5 or higher cabling.
v Determine whether the hub supports auto-negotiation. If it does not, try
configuring the integrated Ethernet controller manually to match the speed and
duplex mode of the hub.
v Check the Ethernet controller LEDs on the operator information panel and on the
rear of the server.
These LEDs indicate whether a problem exists with the connector, cable, or hub.
– The Ethernet transmit/receive activity LED, on the operator information panel,
is lit when the Ethernet controller sends or receives data over the Ethernet
Network. If the Ethernet transmit/receive activity LED is off, make sure that
the hub and network are operating and that the correct device drivers are
installed.
– The Ethernet link status LED, on the rear of the server, is lit when the
Ethernet controller receives a LINK pulse from the hub. If the LED is off, there
might be a defective connector or cable or a problem with the hub.
v Make sure that you are using the correct device drivers which are supplied with
your server.
v Check for operating-system-specific causes for the problem.
v Make sure that the device drivers on the client and server are using the same
protocol.
Chapter 3. Diagnostics
37
v Test the Ethernet controller.
How you test the Ethernet controller depends on which operating system you are
using (see the Ethernet controller device driver README file).
Ethernet controller troubleshooting chart
Use the following troubleshooting chart to find solutions to 10/100/1000 Mbps
Ethernet controller problems that have definite symptoms.
Table 5. Ethernet troubleshooting chart
Ethernet controller
problem
FRU/actions
The server stops
running when loading
device drivers.
The PCI BIOS interrupt settings are incorrect.
Check the following:
v Determine if the interrupt (IRQ) setting assigned to the Ethernet controller is also
assigned to another device in the Configuration/Setup Utility program.
Although interrupt sharing is allowed for PCI devices, some devices do not function well
when they share an interrupt with a dissimilar PCI device. Try changing the IRQ
assigned to the Ethernet controller or the other device. For example, for NetWare
Versions 3 and 4, it is recommended that disk controllers not share interrupts with LAN
controllers.
v Make sure that you are using the most recent device driver available from the World
Wide Web.
v Run the network diagnostic program.
v Reseat or replace the adapter.
Ethernet link status LED Check the following:
does not work.
v Make sure that the hub is turned on.
v Check all connections at the Ethernet controller and the hub.
v Use another port on the hub.
v If the hub does not support auto-negotiation, manually configure the Ethernet controller
to match the hub.
v If you manually configured the Duplex mode, make sure that you also manually
configure the speed.
v Run diagnostics on the LEDs.
v Reseat or replace the adapter.
The Ethernet
transmit/receive activity
LED does not work.
Check the following:
Note: The Ethernet transmit/receive activity LED is lit only when data is sent to or by this
Ethernet controller.
v Make sure that you have loaded the network device drivers.
v The network might be idle. Try sending data from this server.
v Run diagnostics on the LEDs.
Data is incorrect or
sporadic.
Check the following:
v Make sure that you are using Category 5 or higher cabling when operating the server at
100 Mbps or at 1000 Mbps.
v Make sure that the cables do not run close to noise-inducing sources like fluorescent
lights.
The Ethernet controller
stopped working when
another adapter was
added to the server.
Check the following:
v Make sure that the cable is connected to the Ethernet controller.
v Make sure that your PCI system BIOS code is current.
v Reseat the adapter.
v Determine if the interrupt (IRQ) setting assigned to the Ethernet adapter is also assigned
to another device in the system. Use the Configuration/Setup Utility program to
determine if this is the case.
Although interrupt sharing is allowed for PCI devices, some devices do not function well
when they share an interrupt with a dissimilar PCI device. Try changing the IRQ
assigned to the Ethernet adapter or the other device.
v Reseat or replace the adapter.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Table 5. Ethernet troubleshooting chart (continued)
Ethernet controller
problem
FRU/actions
The Ethernet controller Check the following:
stopped working without v Run diagnostics for the Ethernet controller.
apparent cause.
v Try a different connector on the hub.
v Reinstall the device drivers. See your operating-system documentation and the
ServerGuide information.
v Reseat or replace the adapter.
Ethernet controller messages
The integrated Ethernet controller might display messages from certain device
drivers. The latest information available concerning these messages will be made
available at the IBM Support Web site at http://www.ibm.com/pc/support.
Note: See the documentation on the Broadcom NetXtreme Gigabit Ethernet
Software CD that came with the server for information about configuring the
Ethernet controller.
Recovering the BIOS code
If your BIOS code has become damaged, such as from a power failure during a
flash update, you can recover your BIOS code using the flash ROM page-swap
jumper (J50) and a BIOS flash diskette.
Note: Use one of the following methods to obtain a BIOS flash diskette:
v Use the ServerGuide program to make a BIOS flash diskette.
v Download a BIOS flash diskette from the World Wide Web. Go to
http://www.ibm.com/pc/support/, click IBM Server Support, and make the
selections for your server.
v Contact your IBM service representative.
The flash memory of your server consists of a primary page and a backup page.
The J50 jumper controls which page is used to start the server. If the BIOS code in
the primary page is damaged, you can use the backup page to start the server;
then, start the BIOS flash diskette to restore the BIOS code to the primary page.
To recover the BIOS code, complete the following steps:
1. Turn off the server and peripheral devices and disconnect all power cords and
external cables; then, remove the cover.
2. Locate jumper J50 (flash ROM page-swap) on the system board.
Chapter 3. Diagnostics
39
Flash ROM page-swap
jumper (J50)
3
2
1
3. Move J50 to pins 2 and 3 to enable BIOS recovery mode.
4. Reconnect all external cables and power cords and turn on the peripheral
devices.
5. Insert the BIOS flash diskette into the diskette drive.
6. Restart the server. The system begins the power-on self-test (POST).
7. Select 1 - Update POST/BIOS from the menu that contains various flash
(update) options.
8. When you are prompted whether you want to move the current POST/BIOS
image to the backup ROM location, press N.
Attention: If you press Y, the damaged BIOS will be copied into the
secondary page.
9. When you are prompted whether you want to save the current code to a
diskette, press N.
10. Select your language (0 through 5) and press Enter to accept your choice.
11. Attention: Do not restart the server at this time.
Remove the flash diskette from the diskette drive.
12. Turn off the server.
13. Move J50 to pins 1 and 2 to return to normal startup mode.
14. Restart the server. The system starts up.
40
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 4. Customer replaceable units
Your server supports many optional devices. This chapter provides instructions to
install, remove, and connect the optional devices that your server supports.
Before you begin
Before you begin to install options in your server, read the following information:
v Become familiar with the safety and handling guidelines specified under
“Handling static-sensitive devices” on page 42, and read the safety statements in
“Safety information” on page 169.
v You do not need to turn off the server to install or replace hot-swap power
supplies, hot-swap drives, hot-swap fans, Active™ PCI and Active PCI-X
(hot-plug) adapters, or hot-plug Universal Serial Bus (USB) devices.
v The orange color on components and labels in your server identifies hot-swap or
hot-plug component. You can install or remove hot-swap and hot-plug
components while the system is running, provided that your system is configured
to support this function.
v The blue color on components and labels identifies touch points where you can
grip a component, move a latch, and so on.
v Make sure that you have an adequate number of properly grounded electrical
outlets for your server, monitor, and any other options that you intend to install.
v Back up all important data before you make changes to disk drives.
v For a list of supported options for your server, go to
http://www.ibm.com/pc/us/compat/ on the World Wide Web.
System reliability considerations
To help ensure proper cooling and system reliability, make sure that:
v Each of the drive bays has either a drive or a filler panel installed.
v Each of the fan bays has a fan installed.
v The first two power-supply bays have a power supply installed.
v There is at least 50 mm (2 inches) of ventilated space at the sides of the server
and 150 mm (6 inches) at the rear of the server.
v The server cover is in place during normal operation.
v The server cover is removed for no longer than 30 minutes while the server is
operating.
v A removed hot-swap drive is replaced within 2 minutes of removal.
v Cables for optional adapters are routed according to the instructions provided
with the adapters.
v A failed fan is replaced as soon as possible.
v The air baffle is always installed in the server except when you are:
– Checking the LEDs that are located under the air baffle
– Installing, removing, disconnecting, or reconnecting the components that are
located under the air baffle
Working inside the server with the power on
Your server supports hot-plug, hot-add, and hot-swap devices and is designed to
operate safely while turned on with the cover removed. Follow these guidelines
when you work inside a server that is turned on:
© Copyright IBM Corp. 2002
41
v Avoid loose-fitting clothing on your forearms. Button long-sleeved shirts before
working inside the server; do not wear cuff links while you are working inside the
server.
v Do not allow your necktie or scarf to hang inside the server.
v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist
watches.
v Remove items from your shirt pocket (such as pens or pencils) that could fall into
the server as you lean over it.
v Avoid dropping any metallic objects, such as paper clips, hair pins, or screws,
into the server.
Handling static-sensitive devices
Attention: Static electricity can damage electronic devices and your system. To
avoid damage, keep static-sensitive devices in their static-protective packages until
you are ready to install them.
To reduce the possibility of electrostatic discharge, observe the following
precautions:
v Limit your movement. Movement can cause static electricity to build up around
you.
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed printed circuitry.
v Do not leave the device where others can handle and possibly damage the
device.
v While the device is still in its static-protective package, touch it to an unpainted
metal part of the system unit for at least 2 seconds. (This drains static electricity
from the package and from your body.)
v Remove the device from its package and install it directly into your server without
setting it down. If it is necessary to set the device down, place it in its
static-protective package. Do not place the device on your server cover or on a
metal table.
v Take additional care when handling devices during cold weather because heating
reduces indoor humidity and increases static electricity.
Major components of the xSeries 255 Type 8685 server
The orange color on components and labels in your server identifies hot-swap or
hot-plug components. You can install or remove hot-swap or hot-plug components
while the system is running, provided that your system is configured to support this
function.
The blue color on components and labels indicates touch points where a
component can be gripped, a latch moved, and so on.
The following illustration shows the major components in your server.
Notes:
1. The illustrations in this document might differ slightly from your hardware.
2. The xSeries 255 server is also available as a floor-standing tower model that
contains the same components as the rack model. The tower model also
includes a door with a key lock on the front of the server and wheels on the
bottom of the server for easier mobility.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Air baffle
System
handles
Fans
Memory module
Memory board
Fans
Microprocessor VRM
with plastic handle
Dividers
Microprocessor VRM
with metal
retaining-clip housing
Adapter
support
bracket
Heat sink
88
Microprocessor
System board
Power-supply fans
SCSI backplane
support bracket
Microprocessor
baffle
Light Path
Diagnostics panel
Power supplies
Shuttle assembly
Microprocessor
airflow guide
Chapter 4. Customer replaceable units
43
System-board component locations
This section provides illustrations of the system board showing the locations of
connectors, switch and jumper blocks, and LEDs.
System-board option connectors
The following illustration shows the location of the system-board connectors for
user-installable options.
PCI Slot 1
32-bit
33 MHz (J26)
PCI-X Slot 2
64-bit
100 MHz (J27)
Microprocessor 4
(CPU4)
VRM 4 (J37)
Microprocessor 1
(CPU1)
VRM 1 (J34)
PCI-X Slot 3
64-bit
100 MHz (J28)
PCI-X Slot 4
64-bit
100 MHz (J29)
PCI-X Slot 5
64-bit
100 MHz (J30)
PCI-X Slot 6
64-bit
100 MHz (J31)
PCI-X Slot 7
64-bit
100 MHz (J32)
Battery (BH1)
VRM 3 (J36)
Microprocessor 3
(CPU3)
44
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
VRM 2 (J35)
Microprocessor 2
(CPU2)
System-board internal cable connectors
The following illustration shows the internal cable connectors on the system board.
Hot-plug PCI-X switch card (J20)
Internal rear fans
3 and 4 (J49)
Remote Supervisor
Adapter (J16)
External
SCSI A (J14)
Diskette drive
(J19)
Internal
front fans
1 and 2 (J48)
Fan 6 (J9)
Internal
SCSI B (J15)
Light Path Diagnostics
panel (J46)
Fan 5 (J11)
CD-ROM drive
(J24)
12 V power (J38)
Power backplane 5 V power
(J39)
signal (J40)
Notes:
1. The internal center fans are connected directly into the system-board
connectors. Cable connectors are not required.
2. A cable is attached to the hot-plug PCI-X switch card connector (J20) on the
system board so that the hot-plug function will work properly for PCI-X slots 2
through 7. Do not disconnect this cable.
Note:
Chapter 4. Customer replaceable units
45
System-board external port connectors
The following illustration shows the location of the input/output external port
connectors on the system board.
Serial (J10)
Keyboard (J33)
Mouse (J1)
Ethernet (J56)
Video (J22)
USB 3 and 4 (J21)
USB 1 and 2 (J18)
ISMP A and B (J2)
Note: ISMP ports (ISMP A and B) are used for the RS-485 interconnect network
communications. These ports become inactive if you install an optional IBM
Remote Supervisor Adapter in this server. If you install an optional IBM
Remote Supervisor Adapter in this server, you must use the RJ-45 connector
on the adapter for interconnect network communications.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
System-board switches and jumpers
The following illustration shows the location of the switch block (SW2) on the
system board.
Switch block 2 (SW2)
ON
1
2
3 4 5 6 7 8
The following illustration shows the switches on the switch block (SW2).
8
Reserved
7
6
Power-on password override
5
4
3
Reserved
2
1
Chapter 4. Customer replaceable units
47
Table 6 describes the function of each switch on the switch block.
Table 6. Switches 1-8
Switch
number
Default value
Switch
description
7 to 8
Off
Reserved.
6
Off
Power-on password override. Changing the position of this switch bypasses the
power-on password check if the switch setting has been changed since the server
was last powered on. You do not need to move the switch back to the default position
after the password is overridden.
Changing the position of this switch does not affect the administrator password check
if an administrator password is set.
See “Power-on password” on page 16 for additional information about the power-on
password.
1 to 5
Off
Reserved.
The following illustration shows the location of the flash ROM page-swap jumper
(J50) on the system board. When this jumper is moved to the non-default position,
it recovers the server BIOS code (see “Recovering the BIOS code” on page 39).
The default position is pins 1 and 2.
Flash ROM page-swap
jumper (J50)
3
2
1
Notes:
1. Before changing any switch settings or moving any jumpers, turn off the server;
then, disconnect all power cords and external cables.
2. Any system-board switch or jumper blocks that are not shown in the illustrations
in this book are reserved.
48
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
System-board LED locations
The following illustration shows the location of the LEDs on the system board. You
might need to refer to this illustration when solving problems with the server.
PCI-X slot 5 attention (CR17)
PCI-X slot 5 power (CR22)
PCI-X slot 4 attention (CR16)
PCI-X slot 4 power (CR21)
PCI-X slot 6 attention (CR18)
PCI-X slot 3 attention (CR15)
PCI-X slot 6 power (CR23)
PCI-X slot 7 attention (CR25)
PCI-X slot 3 power (CR20)
PCI-X slot 2 attention (CR14)
PCI-X slot 7 power (CR24)
PCI-X slot 2 power (CR19)
Memory board
VRM (CR46)
VRM 4 (CR39)
Microprocessor 4
(CR30)
Microprocessor 1
(CR43)
VRM 1 (CR31)
System board
VRM (CR45)
SCSI channel A in
LVD mode (CR32)
VRM 3 (CR37)
Microprocessor 3
(CR38)
Microprocessor 2
(CR42)
Light Path Diagnostics
panel (CR44)
VRM 2 (CR34)
ISMP activity (CR13)
SCSI channel B in
LVD mode (CR33)
Important: The amber CR44 LED also illuminates if the cable interface from the
system board to the Light Path Diagnostics panel is missing or incorrectly
connected. Therefore, verify that the required cable is present and correctly
connected before you replace the Light Path Diagnostics panel.
Chapter 4. Customer replaceable units
49
Memory-board component locations
The following illustration shows the location of the dual inline memory module
(DIMM) connectors on the memory board.
Note: The DIMM error LEDs (D1 through D12, not included in this illustration) are
located on the Light Path Diagnostics panel (see “Light Path Diagnostics” on
page 34).
DIMM 7
DIMM 8
DIMM 9
DIMM 10
DIMM 11
DIMM 12
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Removing the top cover and bezel
The following procedures show how to remove the top cover and bezel or door from
your server.
Removing the top cover (all models)
Complete the following steps to remove the server top cover.
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Lift the plastic cover-release latch near the edge of the top cover.
3. Slide the top cover slightly toward the rear of the server; the cover will stop after
moving approximately 25 mm (1 inch). Lift the cover off the server, and set the
cover aside.
Attention: To maintain proper cooling and airflow, install the server cover
before turning on the server. Operating the server for extended periods of time
(over 30 minutes) with the server cover removed might damage server
components.
Removing the bezel (rack model)
Before you can install any removable-media drives in a rack model server, you must
first remove the bezel.
Complete the following steps to remove the rack model bezel.
Chapter 4. Customer replaceable units
51
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Press on the two release latches at the top edge of the bezel, and pull the top
of the bezel slightly away from the server.
3. Lift the bezel to release the two tabs at the bottom edge of the bezel.
4. Store the bezel in a safe place.
Removing the bezel (tower model)
Before you can access the controls on the front of a tower model server or install
any internal drives in a tower model server, you must first remove the bezel.
Complete the following steps to remove the tower model bezel.
Lock
1. Unlock the bezel, if it has not already been unlocked.
2. Press on the two release latches at the top edge of the bezel, and pull the top
of the bezel slightly away from the server.
52
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
3. Lift the bezel to release the two tabs at the bottom edge of the bezel.
4. Store the bezel in a safe place.
Working with adapters
This section describes how to install hot-plug and non-hot-plug PCI and PCI-X
adapters. Before you continue with the adapter-installation procedures, review
“Adapter considerations”.
The following illustration shows the location of the PCI and PCI-X adapter
expansion slots on the system board. Slots 2 through 7 are Active PCI-X slots.
Active PCI and Active PCI-X slots are also called hot-plug PCI and PCI-X slots.
Notes:
1. A cable is attached to the hot-plug PCI-X switch card connector (J20) on the
system board so that the hot-plug function will work properly for PCI-X slots 2
through 7. Do not disconnect this cable.
2. See “Identifying problems using status LEDs” on page 32 for additional
information about identifying problems through LEDs.
PCI Slot 1
32-bit
33 MHz (J26)
Hot-plug PCI-X switch card (J20)
PCI-X Slot 2
64-bit
100 MHz (J27)
PCI-X Slot 3
64-bit
100 MHz (J28)
PCI-X Slot 4
64-bit
100 MHz (J29)
PCI-X Slot 5
64-bit
100 MHz (J30)
PCI-X Slot 6
64-bit
100 MHz (J31)
PCI-X Slot 7
64-bit
100 MHz (J32)
Adapter considerations
Before you install an adapter, review the following:
v Read the documentation that comes with your operating system.
v Locate the documentation that comes with the adapter and follow those
instructions in addition to the instructions in this chapter. If you need to change
the switch or jumper settings on your adapter, follow the instructions that come
with the adapter.
v You can install full-length adapters and non-hot-plug adapters in any expansion
slot.
Chapter 4. Customer replaceable units
53
v The 32-bit slot supports 5.0 V and universal PCI and PCI-X adapters; this slot
does not support 3.3 V adapters.
v The 64-bit slots support 3.3 V and universal PCI and PCI-X adapters; they do
not support 5.0 V adapters.
v If you install an optional IBM Remote Supervisor Adapter in this server, you must
install the adapter in PCI slot 1. However, you can install other compatible
adapters in this slot.
If you install an optional IBM Remote Supervisor Adapter in the server, use the
ribbon cable that comes with the adapter to connect the adapter to the
system-management connector (J16) on the system board. The external power
adapter that comes with the IBM Remote Supervisor Adapter is not required with
this server.
v If you install an optional Integrated xSeries Adapter (IXA) in this server, you must
install the adapter in PCI-X slot 2 and move the jumper on J57 to pins 2 and 3
(J57 is located between PCI slots 1 and 2). IXAs are wide and require two
adjacent slots; therefore, if you install an IXA in the server, you cannot install an
adapter in PCI-X slot 3. In addition, you must remove the divider between PCI-X
slots 2 and 3 before you can install an IXA in the server. Go to
http://www.ibm.com/pc/us/compat/ on the World Wide Web for information about
the IXAs that this server supports. See the documentation that comes with your
IXA for additional information about IXAs.
Attention: Although an optional IXA can be installed only in slots 2 through 3, it
is not a hot-plug adapter. See “Installing an adapter” on page 55 for instructions
for installing a non-hot-plug adapter.
v The server might require additional power supplies if you install adapters that
have electrical current requirements that exceed the installed power-supply
capabilities.
v The PCI bus configuration is:
– Non-hot-plug, 32-bit PCI slot 1 (on PCI bus A, 33 MHz, 5.0 V)
PCI bus A also includes the video controller.
– Hot-plug, 64-bit PCI-X slots 2 and 3 (on PCI bus B, 100 MHz, 3.3 V)
PCI bus B also includes the Ethernet controller.
– Hot-plug, 64-bit PCI-X slots 4 and 5 (on PCI bus C, 100 MHz, 3.3 V)
– Hot-plug, 64-bit PCI-X slots 6 and 7 (on PCI bus D, 100 MHz, 3.3 V)
– SCSI controller (on a separate PCI bus operating at 66 MHz).
If there is a PCI bus failure on the SCSI controller, the PCI-A error LED lights.
Note: The SCSI controller is on PCI bus 1; PCI bus B is often referred to as bus
2; PCI bus C is often referred to as bus 3; and PCI bus D is often referred
to as bus 4. However, the bus numbers vary according to the adapters
that are installed.
v If you install an adapter with a speed of less than 100 MHz, the speed of that
PCI bus will be reduced to the speed of the slowest device on that bus.
To maintain an optimum speed for the Ethernet controller on PCI bus B (PCI-X
slots 2 and 3), install the following types of adapters in PCI-X slots 4 through 7:
– Redundant array of independent disks (RAID) adapters
– 33 MHz or 66 MHz speed adapters
– PCI adapters
v To assign system resources, the system scans the PCI and PCI-X devices in the
following order: PCI slot 1, PCI-X slots 4 through 7, system board SCSI devices,
54
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
and then PCI-X slots 2 and 3. Then, the system starts (boots) the PCI and PCI-X
devices in this order, if you have not changed the default boot precedence.
Note: To change the boot precedence for PCI and PCI-X devices, you must
disable the devices through the Configuration/Setup Utility program. Start
the Configuration/Setup Utility program, and select Start Options from the
main menu (see “Starting the Configuration/Setup Utility program” on
page 11).
Installing an adapter
This section contains the procedure for installing a hot-plug or non-hot-plug PCI or
PCI-X adapter. If your operating system supports hot-plug PCI or PCI-X adapters,
you can replace a failing hot-plug PCI or PCI-X adapter with a new hot-plug PCI or
PCI-X adapter of the same type without turning off power to the server. If your
operating system and adapter also support the hot-add feature, you can install a
new adapter without turning off the power to the server.
Note: You do not have to turn off the server to install hot-plug adapters in the
hot-plug slots. However, you must turn off the server when performing any
steps that involve installing or removing cables.
Important: Do not remove a hot-plug PCI or PCI-X adapter before performing the
operating-system-defined procedure for disabling the Active PCI-X (hot-plug) slot
that contains the adapter. Failure to do so might cause your system to lock up. See
your operating-system documentation.
The following illustration shows how to install a hot-plug PCI or PCI-X adapter.
Chapter 4. Customer replaceable units
55
Adapterretention
latch
Attention
LED
Adapter locking lever
Power
LED
Unlock
Adapter
Lock
88
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J3
J9
J4
J10
J5
J11
J6
J12
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Adapterretention
tab
Complete the following steps to install an adapter.
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. If you are installing a hot-plug adapter, continue with the next step.
If you are installing a non-hot-plug adapter, you must turn off the server and
peripheral devices and disconnect all power cords and external cables.
3. Remove the server cover (see “Removing the top cover and bezel” on
page 51).
4. Select the slot in which you want to install the adapter.
Note: PCI-X slots 2 through 7 support hot-plug PCI and PCI-X adapters. If
you are using the hot-add feature to install an adapter in PCI-X slot 2 or
3, you must install an adapter with a speed of 100 MHz or higher. This
maintains an optimum speed for the Ethernet controller on PCI bus B
(PCI-X slots 2 and 3).
5. If you are installing a non-hot-plug adapter, continue with the next step.
If you are installing a hot-plug adapter or using the hot-add feature, disable the
selected PCI-X slot from your operating system. (See the documentation that
comes with your operating system for information about disabling a hot-plug
PCI-X slot.) Disabling the PCI-X slot turns off the power-on LED for that PCI-X
slot.
Attention: Make sure that the power-on LED for the hot-plug PCI slot is off
before you continue with the next step.
6. Remove the expansion-slot cover:
a. Press the adapter-retention latch as indicated by the arrow to move the
latch to the unlocked (open) position.
b. Lift the adapter-retention tab on the top of the expansion-slot cover; then,
remove the expansion-slot cover from the server. Store it in a safe place
for future use.
Attention: Expansion-slot covers must be installed on all empty slots.
This maintains the electronic emissions characteristics of the system and
ensures proper cooling of system components.
7. If you are installing a full-length adapter, move the adapter locking lever to the
unlocked (open) position on the adapter-support bracket as indicated by the
arrows. Otherwise, continue with the next step.
8. See the documentation that comes with your adapter for any cabling
instructions. It might be easier for you to route cables before you install the
adapter.
9. Touch the static-protective package that contains the adapter to any unpainted
metal surface on the server; then, remove the adapter from the package.
Attention: Avoid touching the components and gold-edge connectors on the
adapter. If you need to place the adapter down before installing it, place the
adapter component side up, on a flat, static-protective surface.
10. Set any jumpers or switches on the adapter according to the documentation
that comes with the adapter.
Chapter 4. Customer replaceable units
57
11. Install the adapter:
a. Carefully grasp the adapter by its top edge or upper corners, and align it
with the expansion slot on the system board.
b. Press the adapter firmly into the expansion slot.
Attention: When you install an adapter in the server, be sure that it is
completely and correctly seated in the system-board connector. Incomplete
insertion might cause damage to the system board or the adapter.
c. Lower the adapter-retention tab over the top corner of the adapter. When
the adapter-retention tab is completely closed, the adapter-retention latch
snaps (locks) into place.
12. If you installed a full-length adapter, move the adapter locking lever to the
locked (closed) position on the adapter-support bracket as indicated by the
arrows.
13. Connect any needed cables to the adapter.
14. If you installed a non-hot-plug adapter, continue with the next step.
If you installed a hot-plug adapter or used the hot-add feature, enable the
PCI-X slot from your operating system. (See the documentation that comes
with your operating system for information about enabling a hot-plug PCI-X
slot.) Make sure that the power-on LED for the hot-plug PCI-X slot comes on.
If the power-on LED does not come on, see “Identifying problems using status
LEDs” on page 32.
15. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Cabling a RAID or SCSI adapter
You can install an optional RAID or SCSI adapter in your server to control the
internal hot-swap hard disk drives, for example, so that you can configure the
internal hot-swap hard disk drives into disk arrays. The illustrations in this section
show the cabling for internal hot-swap hard disk drives. You can also cable a RAID
or SCSI adapter to external hard disk drives. See your RAID or SCSI adapter
option documentation for complete instructions about installing a RAID or SCSI
adapter in your server and for additional information about RAID or SCSI adapters.
Your server comes with one SCSI cable. One end of this cable is attached to the
connector on the standard SCSI backplane, and the other end is attached to the
internal SCSI channel connector (J15) on the system board.
The following procedures describe the single-channel cable routing that is
necessary when you install a RAID or SCSI adapter. The illustrations in this section
are examples. The cabling that you use for your server depends on your system
configuration.
Notes:
1. For details on connecting two SCSI channels, see “Working with the optional
xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit” on page 63.
2. See the documentation that comes with your adapter for any cabling
instructions.
3. Cable identifiers are printed on the cables that come with your server and
options. Use these identifiers to connect the cables to the correct connectors.
For example, the hard disk drive cables are labeled “HDD option.”
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Cabling a single SCSI channel using the standard hot-swap drive
SCSI backplane
Complete the following steps to cable a single SCSI channel on a RAID or SCSI
adapter using the standard hot-swap drive SCSI backplane:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must disconnect the cable-management-arm bracket from
the server.
a. Disconnect the cable-management-arm bracket from the server.
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Loosen the captive screw on the cable-management-arm bracket.
2) Slide the tab on the cable-management-arm bracket out of the slot on
the server; then, remove the bracket from the server.
b. Slide the server out of the rack enclosure until it locks into place.
4. Remove the top cover (see “Removing the top cover (all models)” on page 51).
5. Remove the air baffle:
a. Pull out the two plastic fasteners on the front of the air baffle.
Note: Do not remove the fasteners from the air baffle.
Chapter 4. Customer replaceable units
59
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
Air baffle
Handle
Fasteners
88
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
6. Open the microprocessor airflow guide located between the front fans and the
microprocessors.
Locking tabs
Microprocessor
airflow guide
(open position)
88
Microprocessor
airflow guide
(closed position)
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
7. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then,
slide the shuttle assembly toward the rear of the server, approximately 10 cm
(4 in.).
Shuttle latch
88
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PS3
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
8. Disconnect the internal integrated drive electronics (IDE) signal cable from the
IDE system-board connector. Disconnect the diskette-drive signal cable and
front-fan signal cable from the corresponding system-board connectors. See
“System-board internal cable connectors” on page 45 for cable locations.
9. If you have not yet installed a RAID or SCSI adapter, install it now. Otherwise,
continue with the next step. See “Installing an adapter” on page 55 and the
option documentation for additional information about installing a RAID or SCSI
adapter in your server.
10. Disconnect the SCSI signal cable from the internal SCSI connector (J15) on
the system board.
Adapter
External
SCSI A (J14)
Internal
SCSI B (J15)
Attention: Do not block the ventilated space in front of the fan assembly.
11. Slide the shuttle assembly back into place and secure it by locking the
metal-hinge latch.
Chapter 4. Customer replaceable units
61
12. Route the SCSI cable from the standard SCSI backplane through the opening
in the adapter-support bracket to the internal channel connector on the RAID
or SCSI adapter.
Adapter
SCSI cable
connector
SCSI cable
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J10
J5
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J6
J12
SCSI cable
connector
SCSI backplane
13. Reconnect the internal IDE signal cable to the IDE system-board connector.
Reconnect the diskette-drive signal cable and front-fan signal cable to the
corresponding system-board connectors. See “System-board internal cable
connectors” on page 45 for cable locations.
14. Close the microprocessor airflow guide located between the front fans and the
microprocessors. Insert the tabs into the corresponding slots.
15. Reinstall the air baffle:
a. Align and insert the two tabs on the rear of the air baffle into the
corresponding slots on the rear of the server.
b. Align the hole on the front of the air baffle over the corresponding
alignment pin on the chassis; then, lower the air baffle into place.
Note: The alignment pin is located near the plastic fastener behind fan 1.
c. Press firmly on the two plastic fasteners until they snap into place on the
front of the air baffle. This secures the air baffle in the server.
16. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must reconnect the cable-management-arm bracket to the
server.
a. Slide the server into the rack.
b. Reattach the cable-management-arm bracket to the server.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Remove the fan from fan bay 7.
2) Insert the tab on the cable-management-arm bracket into the
corresponding slot on the server.
3) Tighten the captive screw on the cable-management-arm bracket to the
server.
4) Reinstall the fan in fan bay 7.
17. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Working with the optional xSeries 6-Pack Hot-Swap Hard Drive
Expansion Kit
Your server contains hardware that enables you to replace a failed hard disk drive
without turning off the server. Therefore, you have the advantage of continuing to
operate your system while a hard disk drive is removed or installed. These drives
are known as hot-swap drives. The hot-swap drives are attached to a hot-swap
hard disk drive backplane. The backplane is a printed circuit board behind the drive
bays. For more information about drive bays and drive installation, see “Installing
internal drives” on page 73. The low voltage differential (LVD) SCSI hot-swap hard
disk drive backplane supports a maximum of six slim-high, hot-swap hard disk
drives.
Chapter 4. Customer replaceable units
63
If you install the optional 6-Pack hot-swap drive backplane, you can attach up to six
additional drives. The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit
contains a hot-swap hard disk drive backplane that you install below the standard
hot-swap hard disk drive backplane. Your server supports a maximum of two
hot-swap drive backplanes.
You can configure the channels on the two SCSI backplanes as follows:
v You can configure each SCSI channel (bus) independently. This is the only
available (typical) backplane configuration. In this configuration:
– The hard disk drives (bays 1 through 6) that are connected to the standard
SCSI backplane are attached to channel B through the internal SCSI
connector (J15) on the system board. This is the standard configuration.
You can also attach the drives in bays 1 through 6 to an optional RAID or
SCSI adapter, as described in this section.
– The hard disk drives (bays 7 through 12) that are connected to the optional
6-Pack hot-swap drive backplane are attached to an optional RAID or SCSI
adapter.
Notes:
1. To use the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit, you
must install a RAID or SCSI adapter in your server. For more information about
installing an adapter, see “Installing an adapter” on page 55.
2. The standard SCSI backplane is also known as the hot-swap hard disk drive
backplane.
3. The SCSI backplane that comes with the optional xSeries 6-Pack Hot-Swap
Hard Drive Expansion Kit is also known as the 6-Pack backplane.
4. When you install hard disk drives, they must have the same speed. If you install
drives with different speeds, the server will operate at the slower speed. For a
list of supported options for your server, go to http://www.ibm.com/pc/us/compat/
on the World Wide Web.
5. Table 12 on page 113 lists the SCSI identifiers (IDs) for the standard SCSI
backplane and hard disk drives. Table 13 on page 114 lists the SCSI IDs for the
6-Pack backplane and hard disk drives.
6. Cable identifiers are printed on the cables that come with your server and
options. Use these identifiers to connect the cables to the correct connectors.
For example, the hard disk drive cables are labeled “HDD option.”
64
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Installing the optional 6-Pack hot-swap drive backplane
Note: The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit might
contain some components that you will not need for this procedure. For
information about the contents of this option kit, see the documentation that
comes with the option kit.
Complete the following steps to install the optional 6-Pack hot-swap drive
backplane.
Note: The server does not support an optional SCSI repeater card or a
single-channel configuration for the hard disk drives.
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. Disconnect all the hot-swap hard disk drives from the standard SCSI
backplane; then, slide the drives forward, approximately 7.6 cm (3 in.).
Note: It is not necessary to remove the drives from the server.
4. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must disconnect the cable-management-arm bracket from
the server.
a. Disconnect the cable-management-arm bracket from the server.
Chapter 4. Customer replaceable units
65
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Loosen the captive screw on the cable-management-arm bracket.
2) Slide the tab on the cable-management-arm bracket out of the slot on
the server; then, remove the bracket from the server.
b. Slide the server out of the rack enclosure until it locks into place.
5. Remove the top cover (see “Removing the top cover (all models)” on page 51).
6. Remove the air baffle:
a. Pull out the two plastic fasteners on the front of the air baffle.
Note: Do not remove the fasteners from the air baffle.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
66
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Air baffle
Handle
Fasteners
88
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
7. Open the microprocessor airflow guide located between the front fans and the
microprocessors.
Locking tabs
Microprocessor
airflow guide
(open position)
88
Microprocessor
airflow guide
(closed position)
Chapter 4. Customer replaceable units
67
8. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then,
slide the shuttle assembly toward the rear of the server, approximately 10 cm
(4 in.).
Shuttle latch
88
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PCIC
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
9. Disconnect the internal IDE signal cable from the IDE system-board connector.
Disconnect the diskette-drive signal cable and front-fan signal cable from the
corresponding system-board connectors. See “System-board internal cable
connectors” on page 45 for cable locations.
10. Disconnect the internal cables from the front of the system board, near the
center fans. See “System-board internal cable connectors” on page 45 for
cable locations.
11. If you have not yet installed a RAID or SCSI adapter, install it now. Otherwise,
continue with the next step. See “Installing an adapter” on page 55 and your
RAID or SCSI adapter option documentation for additional information about
installing a RAID or SCSI adapter in your server and connecting the SCSI
cables to a RAID or SCSI adapter.
12. Disconnect the signal and power cables that are attached to the standard
SCSI backplane.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
13. Loosen the captive screw on top of the metal backplane support bracket by
turning the screw counterclockwise. Lift the metal backplane support bracket
from the server.
Screws
Power cable
Power connector
SCSI backplane
Captive screw
Signal cable
Signal connector
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J7
J8
J3
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J4
J10
J5
J11
J6
J12
14. Touch the static-protective package that contains the optional SCSI backplane
to any unpainted metal surface on the server; then, remove the SCSI
backplane from the package and place it on a static-protective surface.
15. Locate the two alignment pins on the metal backplane support bracket. Attach
the optional SCSI backplane to the lower drive cage slots on the backplane
support bracket by matching the two alignment pins on the rear of the bracket
with the corresponding holes on the SCSI backplane. Use the six screws that
come with the option kit to secure the SCSI backplane to the backplane
support bracket.
16. Reinstall the backplane support bracket in the server. Tighten the captive
screw on top of the metal backplane support bracket by turning the screw
clockwise until it snaps into place. This secures the backplane support bracket
in the server.
Note: Make sure that no cables are under the backplane support bracket.
Chapter 4. Customer replaceable units
69
17. Locate the SCSI signal cable that comes with this option kit.
a. Connect the end of the cable that is labeled “HDD backplane” to the new
6-Pack hot-swap drive backplane.
b. Route the SCSI signal cable through the opening in the adapter-support
bracket. Do not connect the cable to the adapter at this time.
Attention: Do not block the ventilated space in front of the fan assembly.
SCSI cable
connector
Adapter
SCSI cable
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J7
J8
J3
J9
J4
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J5
J11
J6
J12
SCSI cable
connector
SCSI backplane
18. Locate the power cable that comes with this option kit.
a. Remove the protective cover from the end of the cable and connect one
end of the cable to the lower power backplane connector.
12 V Power
Power backplane signal
SCSI backplane power (standard)
SCSI backplane power (optional)
b. Connect the other end of the cable (labeled “HDD2”) to the new 6-Pack
hot-swap drive backplane.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
19. Reconnect the SCSI signal cable and power cable to the standard SCSI
backplane:
a. Make sure that one end of the power cable is still connected to the upper
power backplane connector.
b. Connect the other end of the power cable (labeled “HDD1”) to the standard
SCSI backplane.
c. Connect the end of the SCSI signal cable that is labeled “HDD backplane”
to the standard SCSI backplane.
d. If you want to attach the upper drive cage (bays 1 through 6) to a RAID or
SCSI adapter, route the SCSI signal cable through the opening in the
adapter-support bracket. Do not connect the cable to the adapter at this
time.
Attention: Do not block the ventilated space in front of the fan assembly.
If you do not plan to attach the upper drive cage (bays 1 through 6) to a
RAID or SCSI adapter, reconnect the SCSI signal cable to the internal
SCSI connector (J15) on the system board.
20. Reconnect the internal cables, except for the IDE signal cable, diskette-drive
signal cable, front-fan signal cable, and the cable that you disconnected from
the internal SCSI connector (J15) on the system board.
21. Slide the shuttle assembly back into place and secure it by locking the
metal-hinge latch.
22. Reconnect the internal IDE signal cable to the IDE system-board connector.
Reconnect the diskette-drive signal cable and front-fan signal cable to the
corresponding system-board connectors. See “System-board internal cable
connectors” on page 45 for cable locations.
23. Close the microprocessor airflow guide located between the front fans and the
microprocessors. Insert the tabs into the corresponding slots.
24. Reinstall the air baffle:
a. Align and insert the two tabs on the rear of the air baffle into the
corresponding slots on the rear of the server.
b. Align the hole on the front of the air baffle over the corresponding
alignment pin on the chassis; then, lower the air baffle into place.
Note: The alignment pin is located near the plastic fastener behind fan 1.
c. Press firmly on the two plastic fasteners until they snap into place on the
front of the air baffle. This secures the air baffle in the server.
25. In step 17 on page 70, you connected one end of the optional SCSI signal
cable to the new 6-Pack hot-swap drive backplane and routed the cable
through the opening in the adapter-support bracket. Now complete the
procedure by routing the optional SCSI signal cable to a dual-channel RAID or
SCSI adapter and connecting the unattached end of the cable to an internal
channel connector on the adapter (see “Cabling a RAID or SCSI adapter” on
page 58).
Attention: Do not block the ventilated space in front of the fan assembly.
26. If you decided to attach the upper drive cage (bays 1 through 6) to a RAID or
SCSI adapter in step 19, you must disconnect the SCSI signal cable from the
internal SCSI connector (J15) on the system board (see “System-board
internal cable connectors” on page 45 for the system-board connector
locations). In step 19, you connected one end of the standard SCSI signal
cable to the standard SCSI backplane and routed the cable through the
opening in the adapter-support bracket. Now complete the procedure by
routing the standard SCSI signal cable to the RAID or SCSI adapter and
Chapter 4. Customer replaceable units
71
connecting the unattached end of the cable to an internal channel connector
on the adapter (see “Cabling a RAID or SCSI adapter” on page 58).
Attention: Do not block the ventilated space in front of the fan assembly.
27. Slide the hot-swap hard disk drives back into bays 1 through 6 to reconnect
the drives to the standard SCSI backplane.
28. Install additional internal hot-swap hard disk drives in bays 7 through 12 to
connect the drives to the optional 6-Pack hot-swap drive backplane (see
“Installing a hot-swap hard disk drive” on page 75).
Note: The optional 6-Pack hot-swap drive backplane sets the SCSI IDs for
these hot-swap hard disk drives. See “Setting SCSI IDs” on page 113
for additional information.
29. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must reconnect the cable-management-arm bracket to the
server.
a. Slide the server into the rack.
b. Reattach the cable-management-arm bracket to the server.
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Remove the fan from fan bay 7.
2) Insert the tab on the cable-management-arm bracket into the
corresponding slot on the server.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
3) Tighten the captive screw on the cable-management-arm bracket to the
server.
4) Reinstall the fan in fan bay 7.
30. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Installing internal drives
If you add different types of drives, your system can read multiple types of media
and store more data. Several types of drives are available, such as:
v Diskette
v Hard disk
v CD-ROM
v Tape, including digital linear tape (DLT), super digital linear tape (SDLT), and
linear tape-open (LTO)
Note: The server supports both internal and external tape drives.
Your server contains hardware that enables you to replace a failed hard disk drive
without turning off the server. Therefore, you have the advantage of continuing to
operate your system while a hard disk drive is removed or installed. These drives
are known as hot-swap drives.
Each hot-swap drive has two indicator lights (see “Server controls and indicators”
on page 4). If the amber hard disk drive status light for a drive is lit continuously,
that individual drive is faulty and requires replacement. When the hard disk drive
status light indicates a drive fault, you can replace a hot-swap drive without turning
off the server.
Each hot-swap drive that you plan to install must be mounted in a hot-swap-drive
tray. The drive must have a single connector attachment (SCA) connector.
Hot-swap-drive trays come with hot-swap drives.
Internal drive bays
Internal drives are installed in bays. The following illustration identifies the bays for
the tower and rack models.
Standard
drive cage, hot-swap
drive bays 1 - 6
Optional
drive cage, hot-swap
drive bays 7 - 12
(Optional SCSI
backplane required)
Non-hot-swap
drive bay A
Non-hot-swap
drive bay B
Non-hot-swap
drive bay C
Non-hot-swap
drive bay D
v Your server comes with one integrated drive electronics (IDE) CD-ROM drive and
one 3.5-inch, 1.44 MB diskette drive.
v The CD-ROM drive bay (bay B, right front) supports 5.25-inch, half-high,
removable-media drives. A CD-ROM drive comes preinstalled in the server.
Chapter 4. Customer replaceable units
73
v You cannot install hot-swap hard disk drives or non-hot-swap hard disk drives in
the right-front bays (bays A through D). You can install hot-swap hard disk drives
only in the hot-swap hard disk drive bays on the left-front side of the server.
v Your server supports a maximum of six standard 26 mm (1-inch) slim-high,
3.5-inch, hot-swap hard disk drives in the hot-swap bays. The standard hot-swap
bays are bays 1 through 6, located in the standard (upper) drive cage.
v You can install six additional hot-swap hard disk drives in the server after you
install the optional 6-Pack hot-swap backplane in the optional (lower) drive cage.
The optional hot-swap bays are bays 7 through 12, located in the optional (lower)
drive cage.
v The SCSI IDs for the hot-swap drives are printed on the bezel, immediately
adjacent to the hot-swap drive bays. The IDs are:
– 0 through 5 for bays 1 through 6
– 10 through 15 for bays 7 through 12
v The server does not support half-high hot-swap drives.
v To minimize the possibility of damage to the hard disk drives when you are
installing a hard disk drive in a rack model, install the rack model in the rack
enclosure before installing the hard disk drives.
v You do not have to turn off the server to install hot-swap drives in the hot-swap
drive bays. However, you must turn off the server when performing any steps
that involve installing or removing cables.
v Before you install any internal drives in a tower model server, you must first
remove the bezel (see “Removing the bezel (tower model)” on page 52). Before
you install 5.25-inch removable-media drives in a rack model server, you must
first remove the bezel (see “Removing the bezel (rack model)” on page 51).
v Your server supports one IDE device. You must first disconnect the IDE cable
from the CD-ROM drive that comes with your server and remove the CD-ROM
drive before you install another IDE device.
Note: Attach the black connector end of the IDE cable to the IDE device; attach
the blue connector end of the IDE cable to the system board.
v For a list of supported IDE and SCSI options for your server, go to
http://www.ibm.com/pc/us/compat/ on the World Wide Web.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Installing a hot-swap hard disk drive
Complete the following steps to install a drive in a hot-swap bay.
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. If you are installing drives in a tower model, remove the bezel (see “Removing
the bezel (tower model)” on page 52).
3. Touch the static-protective package that contains the drive to any unpainted
metal surface on the server; then, remove the drive from the package and place
it on a static-protective surface.
4. Determine the bay into which you will install the drive.
Note: If you are installing a hard disk drive in one of the bays 7 through 12
(lower drive cage), you must first install an optional hot-swap SCSI
backplane and a SCSI or RAID adapter. See “Working with the optional
xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit” on page 63 for
complete detailed installation instructions.
5. Remove the filler panel from one of the empty hot-swap bays by inserting your
finger into the depression at the left side of the filler panel and pulling the panel
away from the server.
Attention: To maintain proper system cooling, do not operate the server for
more than 10 minutes without either a drive or a filler panel installed in each
bay.
6. Install the hard disk drive in the hot-swap bay:
a.
b.
c.
d.
Ensure that the tray handle is open (that is, perpendicular to the drive).
Align the drive assembly with the guide rails in the bay.
Gently push the drive assembly into the bay until the drive stops.
Push the tray handle to the closed (locked) position.
Filler panel
Hard disk drive
Drive tray
Drive tray handle
(in open position)
e. Check the hard disk drive status LED on the front of the drive to verify that
the hard disk drive is operating properly.
If the amber hard disk drive status LED for a drive is lit continuously, that
individual drive is faulty and needs to be replaced. If the green hard disk
drive activity LED is flashing, the drive is being accessed.
Chapter 4. Customer replaceable units
75
Note: If your server has a RAID controller or adapter installed, you might need
to reconfigure your disk arrays after installing hard disk drives. See your
RAID adapter option documentation for complete instructions for
installing a RAID adapter in your server and for additional information
about RAID adapters.
7. Reinstall the bezel:
v If you installed drives in a tower model, see “Installing the bezel (tower
model)” on page 107.
v If you installed drives in a rack model, see “Installing the bezel (rack model)”
on page 108.
Installing a 5.25-inch removable-media drive
Your server also comes with one integrated drive electronics (IDE) CD-ROM drive.
The CD-ROM drive bay (bay B) supports a 5.25-inch, half-high, removable-media
drive. Your server supports one IDE device.
You can install two additional 5.25-inch, half-high, removable-media drives or one
additional 5.25-inch, full-high, removable-media drive in the removable-media drive
bays (C and D).
A three-drop power cable and a one-drop IDE signal cable come with your server.
Use these cables to connect the removable-media drives. If you plan to install SCSI
devices in the removable-media drive bays, you must purchase a SCSI cable or
use the cable that comes with your option. Consult your IBM marketing
representative or reseller for additional information about the number and types of
cables that your server configuration requires.
Before you install a SCSI device, such as a tape drive, you must install a RAID or
SCSI adapter in your server and connect the standard hot-swap drive backplane to
the RAID or SCSI adapter. Then, you can use a SCSI cable to connect the SCSI
device to the internal SCSI connector (J15) on the system board. See “Installing an
adapter” on page 55 for additional information.
Check the instructions that come with the drive to see if you need to set any
switches or jumpers on the drive.
Complete the following steps to install a removable-media drive in bay C or D (see
“Internal drive bays” on page 73 for the locations of the drive bays).
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables.
3. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must disconnect the cable-management-arm bracket from
the server.
a. Disconnect the cable-management arm -racket from the server.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Loosen the captive screw on the cable-management-arm bracket.
2) Slide the tab on the cable-management-arm bracket out of the slot on
the server; then, remove the bracket from the server.
b. Slide the server out of the rack enclosure until it locks into place.
4. Remove the top cover and bezel (see “Removing the top cover and bezel” on
page 51).
5. Remove the air baffle:
a. Pull out the two plastic fasteners on the front of the air baffle.
Note: Do not remove the fasteners from the air baffle.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
Chapter 4. Customer replaceable units
77
Air baffle
Handle
Fasteners
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J10
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J11
J6
J12
6. Open the microprocessor airflow guide located between the front fans and the
microprocessors.
Locking tabs
Microprocessor
airflow guide
(open position)
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Microprocessor
airflow guide
(closed position)
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
7. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then,
slide the shuttle assembly toward the rear of the server, approximately 10 cm
(4 in.).
Shuttle latch
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
8. Disconnect the internal IDE signal cable from the IDE system-board connector.
Disconnect the diskette-drive signal cable and front-fan signal cable from the
corresponding system-board connectors. See “System-board internal cable
connectors” on page 45 for cable locations.
9. If you have not yet installed a RAID or SCSI adapter, install it now. Otherwise,
continue with the next step. See “Installing an adapter” on page 55 and your
RAID or SCSI adapter option documentation for additional information about
installing a RAID or SCSI adapter in your server and connecting the SCSI
cables to a RAID or SCSI adapter.
10. Disconnect the SCSI signal cable from the internal SCSI connector (J15) on
the system board.
Adapter
External
SCSI A (J14)
Internal
SCSI B (J15)
Attention: Do not block the ventilated space in front of the fan assembly.
11. Choose the bay in which you want to install the drive.
12. Remove the filler panel from the removable-media bay opening.
Chapter 4. Customer replaceable units
79
Note: The server electromagnetic interference (EMI) integrity and cooling are
both protected by having the bays covered or occupied. When you
install a drive, save the filler panel from the bay, in case you later
remove the drive and do not replace it with another.
13. Touch the static-protective package that contains the drive to any unpainted
metal surface on the server; then, remove the drive from the package and
place it on a static-protective surface.
14. Set any jumpers or switches on the drive according to the documentation that
comes with the drive.
15. Install the drive:
See the following illustration when installing a 5.25-inch removable-media
drive.
Blue slide rails
Filler panel
Non-hot-swap
drive
Slide rails
Non-hot-swap bay
v Use the blue plastic slide rails that come with the server as described in this
step, unless the drive comes with custom metal slide rails.
v If you are installing an SDLT drive, use the custom metal slide rails and
screws that come with the option package. Follow the installation
instructions that come with the option package; then, continue with step 15c.
v If you are installing a full-high DLT drive, use the custom metal slide rails
and screws that are located inside the server, under the microprocessor
airflow guide. See the illustration in step 6 on page 78 for the location of the
microprocessor airflow guide.
Follow the installation instructions that come with the option package; then,
continue with step 15c.
a. Remove the blue snap-on slide rails from inside the filler panel.
b. Clip the slide rails onto the sides of the drive.
c. Store the filler panel for later use.
d. Align the slide rails on the drive with the guide rails in the bay; then, slide
the drive into the bay until it snaps into place.
16. Connect a compatible signal cable to the device that you just installed (see
“System-board internal cable connectors” on page 45 for cable locations):
v If you installed an IDE device, connect the black end of the IDE signal cable
to the rear of the IDE device. Make sure that the blue end of the IDE signal
cable is still connected to the system board.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
17.
18.
19.
20.
v If you installed a SCSI device, install a SCSI signal cable by attaching one
end of the cable to the rear of the SCSI device that you installed. Attach the
other end of the cable to the internal SCSI connector (J15) on the system
board.
Important: At this time, you must connect a RAID or SCSI adapter to the
hard disk drives in the upper drive cage (see “Cabling a RAID or SCSI
adapter” on page 58 for additional information).
Connect a power cable to the rear of the drive. A three-drop power cable for
removable-media drives comes installed in your server. It is attached to the
standard CD-ROM drive. The connectors are keyed and can be inserted only
one way.
Reconnect the remaining internal cables (if any), except for the IDE signal
cable, diskette-drive signal cable, front-fan signal cable, and the cable that you
disconnected from the internal SCSI connector (J15) on the system board.
Slide the shuttle assembly back into place and secure it by locking the
metal-hinge latch.
Route the standard SCSI signal cable from the standard SCSI backplane
through the opening in the adapter-support bracket to the RAID or SCSI
adapter. Connect the unattached end of the cable to an internal channel
connector on the adapter (see “Cabling a RAID or SCSI adapter” on page 58).
Adapter
SCSI cable
connector
SCSI cable
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J8
J3
J9
J4
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J5
J11
J6
J12
SCSI cable
connector
SCSI backplane
21. Reconnect the internal IDE signal cable to the IDE system-board connector.
Reconnect the diskette-drive signal cable and front-fan signal cable to the
corresponding system-board connectors. See “System-board internal cable
connectors” on page 45 for cable locations.
22. Close the microprocessor airflow guide located between the front fans and the
microprocessors. Insert the tabs into the corresponding slots.
23. Reinstall the air baffle:
a. Align and insert the two tabs on the rear of the air baffle into the
corresponding slots on the rear of the server.
b. Align the hole on the front of the air baffle over the corresponding
alignment pin on the chassis; then, lower the air baffle into place.
Note: The alignment pin is located near the plastic fastener behind fan 1.
c. Press firmly on the two plastic fasteners until they snap into place on the
front of the air baffle. This secures the air baffle in the server.
Chapter 4. Customer replaceable units
81
24. If your server is a tower model, continue with the next step.
If your server is a rack model and you have already installed the server in a
rack enclosure, you must reconnect the cable-management-arm bracket to the
server.
a. Slide the server into the rack.
b. Reattach the cable-management-arm bracket to the server.
Cable-management
arm bracket
Cable-management
arm
Captive screw
Tab
Fan bay 7
(fan removed)
1) Remove the fan from fan bay 7.
2) Insert the tab on the cable-management-arm bracket into the
corresponding slot on the server.
3) Tighten the captive screw on the cable-management-arm bracket to the
server.
4) Reinstall the fan in fan bay 7.
25. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Installing memory modules
Adding memory to your server is an easy way to make programs run faster. You
can increase the amount of memory in your server by installing memory-module
options. When you install memory, you must install a set of two or four matched
dual inline memory modules (DIMMs).
Before you install memory, review the following:
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Notes:
1. The DIMM options available for your server are 256 MB, 512 MB, and 1 GB.
Your server supports a minimum of 512 MB and a maximum of 12 GB of
system memory.
2. The amount of usable memory will be reduced depending on the system
configuration. A certain amount of memory must be reserved below the amount
of installed memory for system resources. The BIOS will display the amount of
installed memory.
3. Your server comes with a minimum of two 256 MB DIMMs (for a total of 512
MB memory) installed in the DIMM 2 and DIMM 8 memory connectors (D2 and
D8, respectively). You must have DIMMs installed in these connectors at all
times.
4. When you install additional DIMMs, be sure to install them in pairs or quads
and follow the DIMM installation sequence in the illustration in this section. A
pair or quad is also known as a memory bank. See Table 7 on page 84 for the
DIMM connectors in each pair or quad.
5. All the DIMMs in a single pair or quad must be the same size, speed, and
type.
6. Multiple pairs or quads of DIMMs do not have to contain DIMMs of the same
size, speed, and type, unless the Hot Spare Memory feature is enabled.
7. The memory board contains 12 DIMM connectors and supports two-way and
four-way memory interleaving.
To use the four-way memory interleaving technology in your server, you must
install DIMMs in all four connectors in each populated set.
8. Install only 2.5 V, 184-pin, 72-bit, 100 MHz, double-data-rate (DDR), PC1600,
registered synchronous dynamic random-access memory (SDRAM) dual inline
memory modules (DIMMs) with error correcting code (ECC). Only 100 MHz,
72-bit, registered, synchronous memory is supported for the 256 MB, 512 MB,
and 1 GB DIMMs. These DIMMs must be compatible with the latest PC1600
SDRAM Registered DIMM specification. For a list of supported options for your
server, go to http://www.ibm.com/us/compat/ on the World Wide Web.
9. Installing or removing DIMMs changes the configuration information in the
server. The Configuration/Setup Utility program automatically saves the new
configuration information. When you restart the server, the system displays a
message indicating that the memory configuration has changed (see “Starting
the Configuration/Setup Utility program” on page 11).
10. Your server supports the Hot Spare Memory feature in the event of an active
memory pair or quad of DIMM failure. This feature, when enabled, disables the
failed memory from the system configuration and activates a Hot Spare
Memory pair or quad of DIMMs to replace the failed pair or quad of DIMMs.
Before you can enable this feature, you must also install at least one additional
pair or quad of DIMMs as described in this book. To ensure proper server
operation and to avoid disabling the Hot Spare Memory feature, all additional
pairs or quads of DIMMs must be the same size, speed, and type as the failed
pair or quad of DIMMs.
You can enable the Hot Spare Memory feature through the Configuration/Setup
Utility program (see “Starting the Configuration/Setup Utility program” on
page 11). After you enable the Hot Spare Memory feature, the
Configuration/Setup Utility program assigns the Hot Spare Memory bank
according to your server configuration. If your server has a two-way interleaved
configuration, the Hot Spare Memory bank becomes the DIMMs in connectors
D2 and D8. If your server has a four-way interleaved configuration, the Hot
Spare Memory bank becomes the DIMMs in connectors D1, D2, D7, and D8.
Chapter 4. Customer replaceable units
83
When you install DIMMs, install them in the order listed in Table 7.
Table 7. DIMM installation order
Interleaving
Number of DIMMs
Install DIMMs in these connectors
Two-way
2
D2, D8 (standard)
Two-way
4
D2, D8 (standard) (Hot Spare memory
bank for two-way interleaving)
D4, D10
Two-way
6
D2, D8 (standard) (Hot Spare memory
bank for two-way interleaving)
D4, D10
D6, D12
Four-way
4
D2, D8, D1, D7
Four-way
8
D2, D8, D1, D7 (Hot Spare memory bank
for four-way interleaving)
D4, D10, D3, D9
Four-way
12
D2, D8, D1, D7 (Hot Spare memory bank
for four-way interleaving)
D4, D10, D3, D9
D6, D12, D5, D11
Complete the following steps to install a DIMM.
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. Turn off the server and disconnect all power cords and external cables; then,
remove the server cover (see “Removing the top cover and bezel” on
page 51).
3. Remove the air baffle:
a. Pull out the two plastic fasteners on the front of the air baffle.
Note: Do not remove the fasteners from the air baffle.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
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Air baffle
Handle
Fasteners
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
Chapter 4. Customer replaceable units
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4. Remove the memory-board assembly:
a. Open the release latches located on both ends of the memory-board
assembly.
b. Lift up on the memory-board assembly and remove it from the server.
Release latch
Velcro
tabs
Memory-board
airflow guide
(closed position)
Release latch
88
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PS1
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
c. Place the memory-board assembly on a static-protective surface.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
5. Open (to the unlocked position) the memory-board airflow guide away from the
memory-board assembly.
Airflow guide velcro
retention tabs
Release latch
Memory board
Release latch
Memory-board
airflow guide
(closed position)
Memory-board
airflow guide
(open position)
6. Locate the DIMM connectors on the memory board. Determine the DIMM
connectors into which you will install the DIMMs. For more information, see the
notes at the beginning of this procedure.
Retaining clips
DIMM 7
DIMM 8
DIMM 9
DIMM 10
DIMM 11
DIMM 12
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
7. Open the retaining clips located on the ends of the DIMM connector, if
necessary.
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, handle the clips gently.
8. Touch the static-protective package that contains the DIMM option to any
unpainted metal surface on the server. Then, remove the DIMM from the
package.
9. Turn the DIMM so that the DIMM keys align correctly with the connector. The
DIMM can be inserted only one way.
10. Insert the DIMM by pressing the DIMM straight into the connector. Be sure that
the retaining clips snap into the closed positions.
Chapter 4. Customer replaceable units
87
11. Make sure that the retaining clips are in the closed position. If a gap exists
between the DIMM and the retaining clips, the DIMM has not been properly
installed. In this case, open the retaining clips and remove the DIMM; then,
reinsert the DIMM.
12. Repeat steps 6 through 11 for each additional DIMM that you install.
13. Close the memory-board airflow guide and press the Velcro tabs together to
secure the airflow guide to the memory-board assembly.
Airflow guide velcro
retention tabs
Release latch
Memory board
Release latch
Memory-board
airflow guide
(closed position)
Memory-board
airflow guide
(open position)
14. Reinstall the memory-board assembly:
a. Make sure that the release latches are in the open position before you
install the memory-board assembly in the server.
b. Align the memory-board assembly into the card guides and over the
memory-board connector.
c. Align the holes on each side of the memory-board bracket over the
corresponding alignment pins on the chassis; then, slide the memory-board
bracket over the alignment pins.
Note: The alignment pins are located near the release latches. The left
alignment pin is located between the air baffle and the center
internal fans. The right alignment pin is located between the air
baffle and the rear internal fans and the adapter slots.
d. Close (to the locked position) the release latches to seat the memory board
in the connector.
Note: To ensure proper server operation, make sure that the
memory-board airflow guide is in the closed position.
e. Firmly press the memory-board assembly down into the connector until it
snaps into place. This secures the memory board in the server.
15. Reinstall the air baffle:
a. Align and insert the two tabs on the rear of the air baffle into the
corresponding slots on the rear of the server.
b. Align the hole on the front of the air baffle over the corresponding
alignment pin on the chassis; then, lower the air baffle into place.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Note: The alignment pin is located near the plastic fastener behind fan 1.
c. Press firmly on the two plastic fasteners until they snap into place on the
front of the air baffle. This secures the air baffle in the server.
16. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Note: When you restart the server, the system displays a message indicating that
the memory configuration has changed.
v If you installed additional memory, the Configuration/Setup Utility program
automatically saves the new configuration information.
v If you just replaced a failed DIMM, you must start the Configuration/Setup
Utility program, select Advanced Setup, select Memory Settings,
highlight the DIMM or pair or quad of DIMMs that you want to enable, and
then select Enable (see “Starting the Configuration/Setup Utility program”
on page 11).
v In some memory configurations, the 3-3-3 beep code might sound during
POST followed by a blank display screen. If this occurs and the Boot Fail
Count feature in the Start Options menu of the Configuration/Setup Utility
program is set to Enabled (its default setting), you must restart the server
three times to force the system BIOS to reset the DIMM or pair or quad of
DIMMs from Disabled to Enabled.
If this procedure does not enable the DIMMs, either the memory board or
at least one DIMM is improperly seated, or a memory component has
failed. Verify that the memory board and all the DIMMs are properly
seated. If the memory board or a DIMM is improperly seated, remove and
correctly reinstall it. If all of these components are properly seated, check
the memory-board VRM LED on the system board (see “System-board
LED locations” on page 49 for the LED location). If the memory-board
VRM LED is on or the problem remains, see “Diagnostic programs and
error messages” on page 30.
Installing an additional microprocessor
Your server comes with one microprocessor installed on the system board. Your
server supports up to four microprocessors. If you install at least one additional
microprocessor, your server can operate as a symmetric multiprocessing (SMP)
server. With SMP, certain operating systems and application programs can
distribute the processing load among the microprocessors.
If you need to remove a microprocessor, see “Microprocessor removal” on
page 119.
Before you begin:
v Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
v Thoroughly review the documentation that comes with the microprocessor, so
that you can determine whether you need to update the server BIOS code. The
latest level of BIOS code for your server is available through the World Wide
Web (see “Recovering the BIOS code” on page 39).
v (Optional) Obtain an SMP-capable operating system. For a list of supported
operating systems, go to http://www.ibm.com/pc/us/compat/ on the World Wide
Web.
Chapter 4. Customer replaceable units
89
Attention: To avoid damage and ensure proper server operation when you install
an additional microprocessor, use microprocessors that have the same cache size
and type, and the same clock speed. Microprocessor internal and external clock
frequencies must be identical.
For a list of microprocessors supported by your server, see the ServerProven® list
at http://www.ibm.com/pc/us/compat/ on the World Wide Web.
Notes:
1. To order additional microprocessor options, contact your IBM reseller or IBM
marketing representative.
2. When you install an additional microprocessor, you must also install the voltage
regulator module (VRM) that comes with the microprocessor in the
corresponding VRM connector.
A VRM metal retaining-clip housing comes installed in the empty microprocessor
VRM connectors for microprocessors 3 and 4. When you install a VRM in
connector 3 or 4, you must first remove the VRM metal retaining-clip housing
from the appropriate VRM connector. You must also remove the metal retaining
clip from the VRM metal retaining-clip housing when installing a VRM.
3. Your server comes with one microprocessor installed in microprocessor socket 1
(labeled CPU1) on the system board. The microprocessor in socket 1 is the
startup (boot) microprocessor. If more than one microprocessor is installed, the
microprocessor installed in the highest-numbered socket is the microprocessor
from which the server will start. Therefore, the microprocessors installed in the
lowest-numbered sockets are used as application microprocessors.
4. The microprocessor speed is automatically set for your server; therefore, you do
not have to set any microprocessor-speed jumpers or switches.
5. The microprocessor sockets in this server contain built-in termination for the
microprocessor bus; therefore, terminator cards are not required for empty
microprocessor sockets. However, each empty microprocessor socket contains
a protective, flat plastic cover that you must remove before you install a
microprocessor in these sockets.
6. To ensure proper server operation, microprocessor socket 4 contains a plastic
microprocessor baffle that resembles a heat sink. You must remove the
microprocessor baffle when you install a microprocessor in socket 4. Otherwise,
the microprocessor baffle must remain in place to ensure proper airflow in your
server.
If you need to install additional microprocessors and VRMs, install them in the order
listed in Table 8. The corresponding VRM connector is located adjacent to the
microprocessor socket.
Important: If you do not install the microprocessors in the correct order, the server
will not operate properly.
Table 8. Microprocessor and VRM installation order
90
Microprocessor number
Microprocessor
socket label
VRM connector
1 (standard)
CPU1
J34 (standard, plastic retaining clip
provided on VRM housing)
2
CPU2
J35 (plastic retaining clip provided on
VRM housing)
3
CPU3
J36 (standard, metal retaining clip
provided on VRM housing)
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Table 8. Microprocessor and VRM installation order (continued)
Microprocessor number
Microprocessor
socket label
4
CPU4
VRM connector
J37 (standard, metal retaining clip
provided on VRM housing)
The following illustration is a layout of the microprocessor socket locations and
other microprocessor-related components on the system board.
Microprocessor 4
(CPU4)
VRM 4 (J37)
VRM 3 (J36)
Microprocessor 3
(CPU3)
Microprocessor 1
(CPU1)
VRM 1 (J34)
VRM 2 (J35)
Microprocessor 2
(CPU2)
Note: For additional illustrations of the system-board components, see
“System-board option connectors” on page 44.
The following illustration shows how to install an additional microprocessor on the
system board.
Chapter 4. Customer replaceable units
91
Captive screws
Heat sink
VRM handle
Microprocessor
VRM
Microprocessor
orientation indicator
88
Microprocessor
release lever
Complete the following steps to install an additional microprocessor.
Attention: When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details about handling these devices, see
“Handling static-sensitive devices” on page 42.
1. Review the information in “Before you begin” on page 41 and “Safety
information” on page 169.
2. Turn off the server and disconnect all power cords and external cables; then,
remove the server cover (see “Removing the top cover and bezel” on
page 51).
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
3. Remove the air baffle:
a. Pull out the two plastic fasteners on the front of the air baffle.
Note: Do not remove the fasteners from the air baffle.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
Air baffle
Handle
Fasteners
88
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
4. Determine the socket where the microprocessor is to be installed.
5. Install a VRM in the corresponding VRM connector (see Table 8 on page 90 for
locations):
a. If you are installing a VRM for microprocessor 3 or 4, remove the
memory-board assembly:
1) Open the release latches located on both ends of the memory-board
assembly.
2) Lift up on the memory-board assembly and remove it from the server.
Chapter 4. Customer replaceable units
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Release latch
Velcro
tabs
Memory-board
airflow guide
(closed position)
Release latch
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J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
3) Place the memory-board assembly on a static-protective surface.
b. Touch the static-protective package containing the new VRM to any
unpainted metal surface on the server; then, remove the VRM from the
package.
c. Attach the retainer clip to the VRM:
v If you are installing a VRM for microprocessor 1 or 2, remove the plastic
retainer clip from the package; then, attach the top of the plastic retainer
clip to the top of the VRM.
Note: Do not attach the plastic retainer clip to the VRM for
microprocessor 3 or 4.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Captive screws
Heat sink
VRM handle
Microprocessor
VRM
Microprocessor
orientation indicator
88
Microprocessor
release lever
v If you are installing a VRM for microprocessor 3 or 4, remove the metal
retainer clip from the corresponding VRM baffle. Then, remove the
plastic VRM baffle from the appropriate VRM connector. Attach the top
of the metal retainer clip to the top of the VRM.
Note: The locations of the microprocessor-release lever and
microprocessor orientation indicator might vary depending on the
location of the microprocessor socket.
Chapter 4. Customer replaceable units
95
Captive screws
Heat sink
Microprocessor
baffle
Microprocessor
Microprocessor
orientation indicator
VRM clip
VRM
88
Microprocessor
release lever
d. Center the VRM over the connector. Make sure that the VRM is oriented
and aligned correctly. The bottom edge of the VRM is keyed and can be
inserted only one way.
e. Carefully but firmly push down the VRM to seat the VRM in the connector.
Be sure that the bottom sides of the retainer clip snap into place on the
sides of the connector.
6. Remove the flat, plastic cover from the empty microprocessor socket.
If you are installing a microprocessor in socket 4, remove the plastic
microprocessor baffle from socket 4. Store the plastic microprocessor baffle in
a safe place. If you remove the microprocessor and heat sink from socket 4,
you must reinstall the microprocessor baffle in that socket.
7. Install the microprocessor:
a. Touch the static-protective package containing the new microprocessor to
any unpainted metal surface on the server; then, remove the
microprocessor from the package.
b. Pull out and lift up on the microprocessor-release lever to unlock the
microprocessor socket.
Note: The locations of the microprocessor-release lever and
microprocessor orientation indicator might vary depending on the
location of the microprocessor socket.
c. Center the microprocessor over the microprocessor socket. Carefully press
the microprocessor into the socket.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Attention:
v Do not use excessive force when pressing the microprocessor into the
socket.
v Make sure that the microprocessor is oriented and aligned correctly with
pin number 1 in the socket before you try to close the lever.
d. Carefully close the lever to secure the microprocessor in the socket.
8. If you installed a VRM for microprocessor 3 or 4, reinstall the memory-board
assembly:
Airflow guide velcro
retention tabs
Release latch
Memory board
Release latch
Memory-board
airflow guide
(closed position)
Memory-board
airflow guide
(open position)
a. Align the memory-board assembly into the card guides and over the
memory-board connector.
b. Align the holes on each side of the memory-board bracket over the
corresponding alignment pins on the chassis; then, slide the memory-board
bracket over the alignment pins.
Note: The alignment pins are located near the release latches. The left
alignment pin is located between the air baffle and the center
internal fans. The right alignment pin is located between the air
baffle and the rear internal fans and the adapter slots.
c. Close (to the locked position) the release latches to seat the memory board
in the connector.
Note: To ensure proper server operation, make sure that the
memory-board airflow guide is in the closed position.
d. Firmly press the memory-board assembly down into the connector until it
snaps into place. This secures the memory board in the server.
9. Install a heat sink on the microprocessor:
a. Remove the plastic protective cover from the bottom of the heat sink. Do
not touch the bottom of the heat sink or set the heat sink down after you
remove the plastic cover. Make sure that the square of thermal material is
still on the bottom of the heat sink; if not, the heat sink must be replaced.
b. Align and place the heat sink on top of the microprocessor in the retention
bracket. Press firmly on the heat sink.
Chapter 4. Customer replaceable units
97
c. Secure the heat sink to the microprocessor. Alternate between the two
captive screws in the heat sink while tightening them.
Attention: If you do not alternate the tightening the two captive screws,
you might damage the microprocessor. Ensure that the screws are
completely tightened; otherwise, the server will not function properly.
10. Reinstall the air baffle:
a. Align and insert the two tabs on the rear of the air baffle into the
corresponding slots on the rear of the server.
b. Align the hole on the front of the air baffle over the corresponding
alignment pin on the chassis; then, lower the air baffle into place.
Note: The alignment pin is located near the plastic fastener behind fan 1.
c. Press firmly on the two plastic fasteners until they snap into place on the
front of the air baffle. This secures the air baffle in the server.
11. If you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 106.
Installing a hot-swap power supply
Your server comes with two hot-swap power supplies. These power supplies are
located in power-supply bays 1 and 2. You can install two additional power supplies.
Your server supports N+N line cords for power redundancy. For example, to ensure
power redundancy for a full configuration, four power supplies must be installed in
the server, and power cords must be connected to both power-cord outlets in
power-supply bay 1.
Note: To show the location of the power-supply bays, the hot-swap fans are not
included in this illustration.
Power supply 1
(use top power
cord connector)
Power supply bay 3
(use top power
cord connector)
Power supply 2
(use bottom power
cord connector)
Power supply bay 4
(use bottom power
cord connector)
Since the server comes with hot-swap power supplies in power-supply bays 1 and
2, you must plug a power cord into each power-cord connector in power-supply bay
1. Plug one end of each power cord into the corresponding connector on the back
of the server; then, plug the other end of each power cord into a properly grounded
electrical outlet. Power supplies 1 and 3 (PS1 and PS3, respectively) are connected
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
to the top power-cord connector in power-supply bay 1. Power supplies 2 and 4
(PS2 and PS4, respectively) are connected to the bottom power-cord connector in
power-supply bay 1.
Before you continue with the power-supply installation procedure, review the
following precautions:
Notes:
1. To ensure proper cooling and server operation, power-supply bays 1 and 2 must
have a power supply installed at all times.
2. The external fans (fans 7 through 9) are located in front of the power supplies.
During normal operation, each fan bay must have a fan installed for proper
cooling. See “Replacing an external fan” on page 103 for an illustration of the
external fan bays.
Chapter 4. Customer replaceable units
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Statement 8:
CAUTION:
Never remove the cover on a power supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts inside
these components. If you suspect a problem with one of these parts, contact
a service technician.
Statement 6:
CAUTION:
If you install a strain-relief bracket option over the end of the power cord that
is connected to the device, you must connect the other end of the power cord
to an easily accessible power source.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Complete the following steps to install an additional power supply:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Select the power-supply bay in which you want to install the power supply.
3. Remove the fan assembly that covers the power-supply bay (see “Replacing a
hot-swap fan”).
4. Move the handle on the power supply to the up (open) position.
5. Slide the power supply into the chassis, and lower (close) the handle.
Hot-swap fan
Release
latch
Power supply
Release latch
AC power LED
DC power LED
Handle
(open position)
6. Plug one end of each power cord into the corresponding connector on the back
of the server; then, plug the other end of each power cord into a properly
grounded electrical outlet. Power supplies 1 and 3 (PS1 and PS3, respectively)
are connected to the top power-cord connector in power-supply bay 1. Power
supplies 2 and 4 (PS2 and PS4, respectively) are connected to the bottom
power-cord connector in power-supply bay 1.
7. If the server is not on, turn on the server.
8. Verify that the dc power LED and the ac power LED on the power supply are lit,
indicating that the power supply is operating properly.
9. Reinstall the fan assembly in front of the power-supply bay.
Replacing a hot-swap fan
Your server comes with nine hot-swap fans: six internal and three external. The
internal fans consist of the front, center, and top rear fans. The front fans (1 and 2)
are located inside the server in front of the air baffle, the top rear fans (fans 3 and
4) are located inside the server at the rear of the air baffle, and the center fans
(fans 5 and 6) are located inside the server near the adapters. The external fans
(fans 7 through 9) are located on the outside of the server in front of the power
supplies. When a fan has failed or is operating slowly, the amber LED illuminates
on that fan. You do not need to turn off the power to the server to replace a
hot-swap fan.
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101
Attention: During normal operation, each fan bay must have a fan installed for
proper cooling. If a fan fails, replace it as soon as possible to maintain and ensure
proper cooling.
Complete the following steps to replace a hot-swap fan. The internal fans (front,
center, and top rear) are installed differently from the external fans (bottom rear).
This section contains separate instructions for each group of fans.
Replacing an internal fan
If you are replacing one of the internal fans (fans 1 through 6):
Fan 6
Fan 5
Fan 4
Fan 3
Fan 2
Fan 1
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C
PS2
PS3
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PS4
VRM
FAN
OVE
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REM
IND
J1
TEM
P
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RED
.
J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
Internal
fan LED
Fan release
latch
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
1. Remove the server cover (see “Removing the top cover and bezel” on page 51).
Attention: To ensure proper system cooling, do not leave the top cover off
the server for more than 30 minutes.
2. Press the fan-release latch in the direction indicated by the arrow on the latch.
This moves the fan handle to the open position.
3. Grasp the fan handle and lift the fan out of the server.
4. Slide the replacement fan into the fan connector until it snaps into place.
5. Press the fan handle down until it snaps into place.
6. Reinstall the server cover (see “Installing the top cover and bezel” on page 107).
Replacing an external fan
If you are replacing one of the three external fans (fans 7 through 9):
Attention: Fan bay 8 is a different size from fan bays 7 and 9; therefore, the fan
assembly in bay 8 is not interchangeable with the fan assemblies in bays 7 and 9.
Be sure to install the correct replacement fan assembly into the corresponding fan
bay.
Slots
Tabs
Hot-swap
fan
External fan
LED
Fan-release
latch
Fan 7
Fan 8
Fan 9
1. Firmly grasp the fan-release latch; then, press and hold the fan-release latch
while pulling the fan assembly out of the server.
2. Align the tabs on the replacement fan assembly with the corresponding slots on
the fan bay; then, slide the tabs into the slots.
Replacing the battery
IBM has designed this product with your safety in mind. The lithium battery must be
handled correctly to avoid possible danger. If you replace the battery, you must
adhere to the following instructions.
Note: In the U. S., call 1-800-IBM-4333 for information about battery disposal.
If you replace the original lithium battery with a heavy-metal battery or a battery with
heavy-metal components, be aware of the following environmental consideration.
Batteries and accumulators that contain heavy metals must not be disposed of with
Chapter 4. Customer replaceable units
103
normal domestic waste. They will be taken back free of charge by the manufacturer,
distributor, or representative, to be recycled or disposed of in a proper manner.
To order replacement batteries, call 1-800-772-2227 within the United States, and
1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada,
call your IBM reseller or IBM marketing representative.
Note: After you replace the battery, you must reconfigure your server and reset the
system date and time.
Statement 2:
CAUTION:
When replacing the lithium battery, use only IBM Part Number 33F8354 or an
equivalent type battery recommended by the manufacturer. If your system has
a module containing a lithium battery, replace it only with the same module
type made by the same manufacturer. The battery contains lithium and can
explode if not properly used, handled, or disposed of.
Do not:
v Throw or immerse into water
v Heat to more than 100°C (212°F)
v Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Complete the following steps to replace the battery:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2. Follow any special handling and installation instructions supplied with the
battery.
3. Turn off the server and all attached devices and disconnect all power cords
and external cables; then, remove the server cover (see “Removing the top
cover and bezel” on page 51).
4. Disconnect any internal cables as necessary, so that you can access the
battery.
5. If the server does not contain any full-length adapters, continue with the next
step.
If the server contains a full-length adapter in PCI-X slot 2 or 3, you must
remove it. Move the adapter locking lever to the unlocked (open) position on
the adapter-support bracket as indicated by the arrows. Then, remove the
adapters. See “Working with adapters” on page 53 for additional information
about adapters.
6. Locate the battery (connector BH1) on the system board.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
PCI Slot 1
32-bit
33 MHz (J26)
PCI-X Slot 2
64-bit
100 MHz (J27)
Microprocessor 4
(CPU4)
Microprocessor 1
(CPU1)
VRM 4 (J37)
VRM 1 (J34)
VRM 3 (J36)
VRM 2 (J35)
PCI-X Slot 3
64-bit
100 MHz (J28)
PCI-X Slot 4
64-bit
100 MHz (J29)
PCI-X Slot 5
64-bit
100 MHz (J30)
PCI-X Slot 6
64-bit
100 MHz (J31)
PCI-X Slot 7
64-bit
100 MHz (J32)
Battery (BH1)
Microprocessor 3
(CPU3)
Microprocessor 2
(CPU2)
Chapter 4. Customer replaceable units
105
7. Remove the battery:
a. Use one finger to slightly slide the battery toward the rear of the server
away from the back of the server. The spring mechanism behind the
battery will push it out toward you as you slide it toward the rear.
b. Use your thumb and index finger to pull the battery from under the battery
clip.
c. Ensure that the battery clip is touching the base of the battery socket by
pressing gently on the clip.
8. Insert the new battery:
a. Tilt the battery so that you can insert it into the front of the socket, under
the battery clip.
b. As you slide it under the battery clip, press the battery down into the
socket.
9. If you did not remove any full-length adapters, continue with the next step. If
you removed any full-length adapters, you must reinstall the adapters. Move
the adapter locking lever to the locked (closed) position on the adapter-support
bracket. See “Working with adapters” on page 53 for additional information
about adapters.
10. Reconnect the internal cables that you disconnected.
11. Reinstall the server cover (see “Installing the top cover and bezel” on
page 107).
Note: You must wait approximately 20 seconds after you plug the power cord
of your server into an electrical outlet before the power-control button
becomes active.
12. Reconnect all power cords and external cables and power cords that you
disconnected; then, turn on the server and all attached devices.
13. Start the Configuration/Setup Utility program and set configuration parameters
as needed (see “Starting the Configuration/Setup Utility program” on page 11).
Completing the installation
To complete your installation, you must reinstall the server cover, reinstall the bezel,
reconnect all the cables that you disconnected earlier and, for certain options, run
the Configuration/Setup Utility program. Follow the instructions in this section.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Attention: To maintain proper cooling and airflow, install the server cover before
turning on the server. Operating the server for extended periods of time (over 30
minutes) with the server cover removed might damage server components.
Note: If you have just plugged the power cords of your server into an electrical
outlet, you will have to wait approximately 20 seconds before pressing the
power-control button.
Installing the top cover and bezel
Before you install the server top cover and bezel, review the information in “Before
you begin” on page 41, “Handling static-sensitive devices” on page 42, and “Safety
information” on page 169.
Installing the top cover (all models)
Complete the following steps to install the server top cover:
1. Check that all cables, adapters, and other components are installed and seated
correctly and that you have not left loose tools or parts inside the server.
Top cover
Cover-release
latch
2. Move the cover-release latch to the open (up) position.
3. Insert the bottom tabs of the cover into the matching slots in the server chassis.
4. Close the cover-release latch to pull the cover forward and lock the cover in
place.
5. If you disconnected any cables from the back of the server, reconnect the
cables; then, plug the power cords into properly grounded electrical outlets.
Note: If necessary, see “Input/output connectors” on page 110 for connector
locations.
Installing the bezel (tower model)
Complete the following steps to install the tower model bezel:
Chapter 4. Customer replaceable units
107
1. Insert the two tabs on the bottom of the bezel into the matching holes on the
server chassis.
2. Push the top of the bezel toward the server until the two release latches at the
top of the bezel snap into place.
3. Lock the bezel.
Installing the bezel (rack model)
Complete the following steps to install the rack model bezel:
1. Insert the two tabs on the bottom of the bezel into the matching holes on the
server chassis.
2. Push the top of the bezel toward the server until the two release latches at the
top of the bezel snap into place.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Updating your server configuration
When you start your server for the first time after you add or remove an internal
option or an external SCSI device, you might see a message telling you that the
configuration has changed. The Configuration/Setup Utility program automatically
saves the new configuration information (see “Starting the Configuration/Setup
Utility program” on page 11).
Some options have device drivers that you need to install. See the documentation
that comes with your option for information about installing any required device
drivers.
Your server comes with at least one microprocessor installed on the system board.
If you have installed one or more additional microprocessors, your server can now
operate as an SMP server. Therefore, you might need to upgrade your operating
system to support SMP. See “Installing an additional microprocessor” on page 89
and your operating-system documentation for additional information.
If your server has a RAID adapter installed and you have installed or removed a
hard disk drive, see the documentation that comes with your RAID adapter for
information about reconfiguring your disk arrays.
Connecting external options
If you attach an external SCSI cable to the external SCSI connector (J14) on the
system board, you can attach additional external options to the rear of your server.
You can also use a SCSI storage expansion enclosure to attach additional external
devices to your server. For a list of supported options for your server, go to
http://www.ibm.com/pc/us/compat/ on the World Wide Web.
If you plan to attach external SCSI devices, you must order additional SCSI cables.
To select and order the correct cables for use with external devices, contact your
IBM reseller or IBM marketing representative.
Complete the following steps to attach an external device:
1. Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169, and
read the documentation that comes with your options.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
Attention: To ensure proper system cooling, do not leave the top cover off
the server for more than 30 minutes.
3. Remove the server cover (see “Removing the top cover and bezel” on page 51).
4. Remove the knockout on the rear of the server.
5. Follow the instructions that come with the option to prepare it for installation and
to connect it to the server.
6. Route one end of the optional external SCSI cable to the external SCSI A
connector (J14) on the system board. Attach the other end of the cable to the
knockout device connector.
7. Reinstall the server cover (see “Installing the top cover and bezel” on page 107).
8. Reconnect all the devices, cables and power cords that you disconnected; then,
turn on the server and all attached devices.
Chapter 4. Customer replaceable units
109
SCSI cabling requirements
For information about the maximum length of SCSI cable, see the American
National Standards Institute (ANSI) SCSI standards on the ANSI Web site at
http://www.ansi.org/ on the World Wide Web. Adhering to these standards will help
to ensure that your server operates properly.
When you attach a SCSI device to the external SCSI connector, you must set a
unique ID for the device. See the information that is provided with the device for
instructions to set its SCSI ID. See “Setting SCSI IDs” on page 113 for additional
information about SCSI IDs.
Input/output connectors
This section provides information about the input/output (I/O) connectors on the rear
of your server. These connectors include the following:
v One video port
v One keyboard port
v One auxiliary-device (pointing device) port
v One serial port
v Four Universal Serial Bus (USB) ports
v One Ethernet port
v Two ISMP (RS-485) ports
The server system board contains two Ultra160 SCSI connectors. See
“System-board internal cable connectors” on page 45 for the SCSI connector
locations.
The following illustration shows the I/O ports on the rear of your server.
External SCSI
cable knockout
ISMP A
ISMP B
USB
USB
1 and 2 3 and 4
Line cord 1
Line cord 2
Serial
Video
Mouse
Ethernet
Keyboard
Notes:
1. The ISMP ports (ISMP A and B) are dedicated for use by the
system-management subsystem. The ISMP ports are used for the RS-485
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
interconnect network communications. These ports become inactive if you install
an optional IBM Remote Supervisor Adapter in this server. If you install an
optional IBM Remote Supervisor Adapter in this server, you must use the RJ-45
connector on the adapter for interconnect network communications.
2. For more information about line cords and power supplies, see “Installing a
hot-swap power supply” on page 98.
Video port
Your server comes with an integrated super video graphics array (SVGA) video
controller. This controller is not removable, but you can disable it by installing a PCI
video adapter.
Note: If you install a PCI video adapter, the server BIOS will automatically disable
the integrated video controller.
The integrated video controller is located on PCI bus A (slot 1) on the system
board. See “Adapter considerations” on page 53 for detailed information about the
PCI buses in your server.
The following illustration shows the pin-number assignments for the 15-pin analog
video connector on the rear of your server.
5
1
15
11
Table 9. Video-port connector pin-number assignments
Pin
Signal
Pin
Signal
Pin
Signal
1
Red
6
Ground
11
Not connected
2
Green or monochrome
7
Ground
12
DDC SDA
3
Blue
8
Ground
13
Horizontal synchronization
(Hsync)
4
Not connected
9
+5 V dc
14
Vertical synchronization
(Vsync)
5
Ground
10
Ground
15
DDC SDL
Keyboard port
There is one keyboard port on the rear of your server.
Note: If you attach a standard (non-USB) keyboard to the keyboard port, the USB
ports and devices will be disabled during the power-on self-test (POST). You
might need to use the Configuration/Setup Utility to Enable keyboardless
operation and prevent the POST error message 301 from being displayed
during startup. For detailed information about this option and how to connect
it to your server, refer to the documentation that comes with the option.
Chapter 4. Customer replaceable units
111
The following illustration shows the pin-number assignments for the keyboard port
on the rear of your server.
6
5
4
3
2
1
Table 10. Keyboard connector pin-number assignments
Pin
I/O
Signal
1
I/O
Data
2
N/A
Reserved
3
N/A
Ground
4
N/A
+5 V dc
5
I/O
Keyboard clock
6
N/A
Reserved
Auxiliary-device (pointing device) port
The system board has one auxiliary-device port that supports a mouse or other
pointing device.
The following illustration shows the pin-number assignments for the auxiliary-device
port on the rear of your server.
6
5
4
3
2
1
Table 11. Auxiliary-device connector pin-number assignments
Pin
Signal
1
Data
2
Not connected
3
Ground
4
+5 V dc
5
Clock
6
Not connected
Ultra160 SCSI connectors
Your server has an integrated dual-channel Ultra160 small computer system
interface (SCSI) controller. This controller supports two independent Ultra 160/m
SCSI channels: one internal and one external. Each channel supports up to 15
SCSI devices. In addition, this controller uses:
v Double-transition clocking to achieve high transfer rates
v Domain-name validation to negotiate compatible data-transfer speeds with each
device
v Cyclic redundancy checking (CRC), instead of parity checking, to significantly
improve data reliability
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
v An active terminator on the system board for SCSI bus termination
See “Adapter considerations” on page 53 for detailed information about the PCI
buses in your server.
The server comes with one SCSI cable. This cable connects the internal SCSI
channel connector (J15) to the standard hot-swap-drive backplane. If you want to
use the external LVD SCSI channel connector (J14) to connect external SCSI
devices to the server, you must remove the knockout on the rear of the server and
install an optional external SCSI cable.
Note: If you install a PCI RAID adapter to configure and manage the internal
hot-swap drives, you must move the SCSI cable from the system-board
SCSI connector to an internal channel connector on the RAID adapter. See
“Cabling a RAID or SCSI adapter” on page 58 for additional information.
Setting SCSI IDs
Each SCSI device that is connected to a SCSI controller must have a unique SCSI
ID. This ID enables the SCSI controller to identify the device and ensure that
different devices on the same SCSI channel do not attempt to transfer data
simultaneously. SCSI devices that are connected to different SCSI channels can
have duplicate SCSI IDs. SCSI IDs 6 and 7 are reserved for SCSI controllers. The
default ID for the SCSI controller is 7. The hot-swap-drive backplane controls the
SCSI IDs for the internal hot-swap drive bays. See “Working with the optional
xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit” on page 63 for instructions for
installing the 6-Pack option, and “Installing internal drives” on page 73 for
instructions for installing hard disk drives.
Table 12 lists the SCSI IDs for the standard backplane and the hard disk drives in
bays 1 through 6; these devices are connected to the same SCSI channel. In the
typical server configuration, the standard backplane and the hard disk drives in
bays 1 through 6 are connected to channel B (internal SCSI connector J15 on the
system board). Table 13 on page 114 lists the SCSI IDs for the optional backplane
and the hard disk drives in bays 7 through 12; these devices are connected to the
same SCSI channel. The optional backplane and the hard disk drives in bays 7
through 12 are connected to a channel on a RAID adapter (see “Cabling a RAID or
SCSI adapter” on page 58). Note that in Table 12 and Table 13 on page 114, the
hot-swap hard disk drive bay numbers are from left to right.
Table 12. SCSI IDs for standard backplane, SCSI controller, and hot-swap drives in bays 1
through 6
Device
SCSI ID
Drive bay 1
0
Drive bay 2
1
Drive bay 3
2
Drive bay 4
3
Drive bay 5
4
Drive bay 6
5
SCSI controller
6 or 7 (default)
Backplane
8
Chapter 4. Customer replaceable units
113
Table 13. SCSI IDs for optional backplane, SCSI controller, and hot-swap drives in bays 7
through 12
Device
SCSI ID
SCSI controller
6 or 7 (default)
Backplane
9
Drive bay 7
10
Drive bay 8
11
Drive bay 9
12
Drive bay 10
13
Drive bay 11
14
Drive bay 12
15
SCSI port connectors
The following illustration shows the pin-number assignments for the 68-pin SCSI
connectors.
34
1
68
35
Serial ports
Your server has one standard serial port: serial port A. The operating system and
the ISMP cannot use or share serial port A.
Some application programs require specific ports, and some modems function
properly only at certain communication port addresses. You might need to use the
Configuration/Setup Utility program to change communication port address
assignments to prevent or resolve address conflicts.
Viewing or changing the serial-port assignments
To
1.
2.
3.
view or change the serial-port assignments:
Restart the server and watch the monitor screen.
When the message Press F1 for Configuration/Setup appears, press F1.
From the main menu, select Devices and I/O Ports; then, press Enter.
Note: The Devices and I/O Ports choice appears only on the full configuration
menu. If you set two levels of passwords, you must type the
administrator password to access the full configuration menu.
4. Select the serial port; then, use the arrow keys to advance through the available
settings.
5. Select Save Settings; then, select Exit Setup to exit from the
Configuration/Setup Utility main menu.
Serial-port connectors
The following illustration shows the pin-number assignments for the 9-pin, male
D-shell serial-port connector on the rear of your server. These pin-number
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
assignments conform to the industry standard.
5
1
6
9
Universal Serial Bus ports
Your server has four Universal Serial Bus (USB) ports, which are configured
automatically. USB is a serial interface standard for telephony and multimedia
devices. It uses Plug and Play technology to determine the type of device that is
attached to the connector.
Notes:
1. If you attach a standard (non-USB) keyboard to the keyboard connector, the
USB ports and devices will be disabled during the power-on self-test (POST).
2. If you install a USB keyboard that has a mouse port, the USB keyboard
emulates a mouse, and you will not be able to disable the mouse settings in the
Configuration/Setup Utility program.
3. Check to make sure that your NOS supports USB devices.
4. For additional information about USB devices, go to http://www.usb.org/.
USB cables and hubs
You need a 4-pin cable to connect devices to USB 1, or USB 2, USB 3, or USB 4.
If you plan to attach more than four USB devices, you must use a hub to connect
the devices. The hub provides multiple connectors for attaching additional external
USB devices.
USB technology provides up to 12 MBps speed with a maximum of 127 external
devices and a maximum signal distance of five meters (16 ft) per segment.
Note: After installing a USB keyboard, you might need to use the
Configuration/Setup Utility program (see “Starting the Configuration/Setup
Utility program” on page 11) to Enable keyboardless operation and prevent
the POST error message 301 from being displayed during startup.
USB-port connectors
Each USB port has an external connector on the rear of the server for attaching
USB compatible devices.
The following illustration shows the pin-number assignments for the USB ports on
the rear of your server.
1
4
Table 14. USB-port connector pin-number assignments
Pin
Signal
1
VCC
2
-Data
3
+Data
4
Ground
Chapter 4. Customer replaceable units
115
Gigabit Ethernet port
Your server comes with an integrated Gigabit Ethernet controller. This controller
provides an interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks
and provides full-duplex (FDX) capability, which enables simultaneous transmission
and reception of data on the Ethernet local area network (LAN).
The integrated Ethernet controller is located on PCI bus B (slots 2 and 3) on the
system board. See “Adapter considerations” on page 53 for detailed information
about the PCI buses in your server.
To access the Ethernet port, connect a Category 3, 4, or 5 unshielded twisted-pair
(UTP) cable to the RJ-45 connector on the rear of your server.
Note: The 100BASE-TX/1000BASE-T Fast Ethernet standard requires that the
cabling in the network be Category 5 or higher.
The Ethernet (RJ-45) connector has two LEDs. The Ethernet link LED is on the
right. When this green LED is on, there is an active connection on the Ethernet
port. The Ethernet activity LED is on the left. When this amber LED is on, there is
activity between the server and the network. These LEDs have the same functions
as the Ethernet link LED and the Ethernet activity LED on the rear of the server
(see “Server controls and indicators” on page 4).
For information on configuring the Gigabit Ethernet controller, see “Configuring the
Gigabit Ethernet controller” on page 24 or the Broadcom NetXtreme Gigabit
Ethernet Software CD that comes with the server.
Ethernet port connector
The following illustration shows the pin-number assignments for the RJ-45 port.
These assignments apply to the 10BASE-T, 100BASE-TX, and 1000BASE-T
devices.
Link LED
(green)
Activity LED
(green)
8
1
Integrated system management processor (ISMP) interconnect ports
The integrated system management processor (ISMP) ports (ISMP A and B) use a
dual RJ-45 connector to interconnect ISMPs of several servers through an optional
Remote Supervisor Adapter.
Note: ISMP ports (ISMP A and B) are used for the RS-485 interconnect network
communications. These ports become inactive if you install an optional IBM
Remote Supervisor Adapter in this server. If you install an optional IBM
Remote Supervisor Adapter in this server, you must use the RJ-45 connector
on the adapter for interconnect network communications.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Cabling the server
Notes:
1. You must turn off the server before connecting any cables to or disconnecting
any cables from the server.
2. See the documentation that comes with your options for additional cabling
instructions. It might be easier for you to route cables before you install certain
options.
3. Cable identifiers are printed on the cables that come with your server and
options. Use these identifiers to connect the cables to the correct connectors.
For example, the hard disk drive cables are labeled “HDD option.”
The following illustration shows the external cable connectors on the server.
Detailed cabling instructions are provided on the IBM xSeries Documentation CD
that comes with your server.
External SCSI
cable knockout
ISMP A
ISMP B
USB
USB
1 and 2 3 and 4
Line cord 1
Line cord 2
Serial
Video
Mouse
Ethernet
Keyboard
Chapter 4. Customer replaceable units
117
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 5. Service replaceable units
This chapter describes the removal of server components.
Important: The field replaceable unit (FRU) procedures are intended for trained
servicers who are familiar with IBM xSeries products. See the parts
listing in “System” on page 162 to determine if the component being
replaced is a customer replaceable unit (CRU) or a FRU.
Microprocessor removal
Complete the following steps to remove a microprocessor.
Note:
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
1. Turn off the server and disconnect all power cords and external cables; then,
remove the server cover (see “Removing the top cover and bezel” on page 51).
2. Remove the air baffle:
a. Pull out the two plastic fasteners (also known as pop rivets) on the front of
the air baffle.
Note: Do not remove the fasteners from the server.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
3. Identify the microprocessor to be removed.
Note: If you are replacing a failed microprocessor, verify that you have selected
the correct microprocessor for replacement. To do this, check the
microprocessor LEDs on the system board to see which LED is on.
4. Remove the heat sink:
a. Loosen one captive screw fully; then, loosen the other captive screw.
Attention: Loosening one screw fully before loosening the other screw will
help to break the thermal bond that adheres the heat sink to the
microprocessor.
b. Gently pull the heat sink off of the microprocessor.
Microprocessor
Microprocessorrelease lever
© Copyright IBM Corp. 2002
119
5. Open the release lever of the microprocessor socket.
6. Pull the microprocessor out of the socket.
To install a microprocessor, see “Installing an additional microprocessor” on
page 89.
Attention: If you are not installing a replacement microprocessor in socket 4, you
must reinstall the microprocessor baffle in that socket.
SCSI backplane
Complete the following steps to remove the SCSI backplane.
Note:
1.
2.
3.
4.
5.
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
Turn off the server.
Disconnect all power cords and external cables from the back of the server.
Remove the server cover (see “Removing the top cover (all models)” on
page 51).
Pull out the hard disk drives (see “Installing a hot-swap hard disk drive” on
page 75).
Disconnect the SCSI backplane cables from the system board (see
“System-board internal cable connectors” on page 45).
6. Move the shuttle back to allow easy access to the board.
Note: The illustrations in this document might differ slightly from your hardware.
SCSI backplane
Thumb screw
88
NM
PC
PS
PS
SP
PC
PS
PS
I
IA
1
3
LO
IB
PC
2
CP
4
G
IC
DA
U
VR
FAN
SD
J1
M
TEM
OV
SP ER
EC
RE
J2
P
RENON
D.
MIN
J7
J8
J3
J9
J4
D
J10
J5
J11
J6
J12
7. Loosen the thumbscrew at the top of the SCSI backplane; then, lift the
backplane out of the server.
8. Remove the six screws in the SCSI backplane and put them in a safe place;
then, remove the backplane from the metal frame.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
9. To replace the SCSI backplane, reverse the previous steps.
Note: The two holes in the bottom of the SCSI backplane assembly fit over the
two spindles on the floor of the chassis.
Complete the following steps to install a second SCSI backplane:
1. Complete steps 1 on page 120 through 7 on page 120
2. Secure the SCSI backplane to the chassis, below the original SCSI backplane,
using the six screws provided with the backplane.
3. Reinstall the SCSI backplane assembly in the chassis by sliding it into position,
aligning the holes in the bottom of the backplane assembly with the two
spindles on the floor of the chassis.
4. Return the shuttle to its correct position.
5. Reconnect the SCSI cable to the system board.
Hot-swap board
Complete the following steps to remove the hot-swap board.
Note:
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
1. Turn off the server.
2. Disconnect all power cords and external cables from the back of the server.
3. Remove the server cover (see “Removing the top cover (all models)” on
page 51).
4. Remove all adapters and spacers, placing the adapters on a static-protective
surface (see “Installing an adapter” on page 55).
5. Disconnect the hot-swap board cable from the system board (see
“System-board internal cable connectors” on page 45).
Note: The illustrations in this document might differ slightly from your hardware.
Release tabs
Chapter 5. Service replaceable units
121
6. Press the two tabs on the hot-swap board assembly and remove it from the
chassis.
7. To replace the hot-swap board, line up the two tabs with the notches on the
chassis and snap the assembly into place; then, connect the cable to the
system board.
Front-panel assembly
Complete the following steps to remove the front-panel assembly.
Note:
1.
2.
3.
4.
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
Turn off the server.
Disconnect all power cords and external cables from the back of the server.
Remove the server cover (see “Removing the top cover (all models)” on
page 51).
Disconnect the front-panel assembly cable from the system board (see
“System-board internal cable connectors” on page 45).
Note: The illustrations in this document might differ slightly from your hardware.
NM
PC
PS
PS
SP
PC
PS
PS
I
IA
1
3
PC
CP
FA
LO
IB
2
4
DA
VR
N
SD
J1
M
TE
OV
SP ER
EC
RE
G
IC
U
MP
RENON
D.
MIN
J2
J7
J8
J3
J9
J4
D
J10
J5
J11
J6
J12
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
5. Grasp the retention pin on the front-panel assembly and gently pull it up until
the assembly releases.
6. Remove the assembly from the server.
7. To replace the front-panel assembly, reverse the previous steps.
Power backplane
Complete the following steps to remove the power backplane.
Note:
1.
2.
3.
4.
5.
6.
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
Turn off the server.
Disconnect all power cords and external cables from the back of the server.
Remove the server cover (see “Removing the top cover (all models)” on
page 51).
Remove the power supplies (see “Installing a hot-swap power supply” on
page 98).
Disconnect the cables that are attached to the power backplane.
Unlock the shuttle latch (see the illustration at step 7 on page 79) and pull the
shuttle back to expose the power backplane.
Note: The illustrations in this document might differ slightly from your hardware.
12 V Power
Power backplane signal
SCSI backplane power (standard)
SCSI backplane power (optional)
Guide channel
NM
I
PC
IA
SP
PC
IB
PS1
LO
G
PC
IC
PS
2
PS3
DA
SD
CP
U
PS4
VR
M
FAN
J1
TEM
P
OV
SP ER
EC
RENON
D.
RE
MIN
D
J2
J7
J8
J3
J9
J4
J10
J5
J11
J6
J12
7. Pull the power backplane out of the chassis.
Chapter 5. Service replaceable units
123
8. To install the power backplane, reverse the previous steps.
Note: When reinstalling the power backplane assembly, align the assembly with
the tracks on the sides of the chassis and align the two holes at the top
sides of the backplane over the pins.
AC power box
Complete the following steps to remove the ac power box .
Note:
1.
2.
3.
4.
5.
v Read “Before you begin” on page 41.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
Turn off the server.
Disconnect all power cords and external cables from the back of the server.
Remove the server cover (see “Removing the top cover (all models)” on
page 51).
Remove the power supplies (see “Installing a hot-swap power supply” on
page 98).
Remove the shuttle.
Note: The illustrations in this document might differ slightly from your
hardware.
AC Power box
6. Remove the screw securing the power box to the chassis.
7. Slide the power box toward the front of the server until it comes away from the
chassis.
8. Pull up on the four power plugs at the end of the power box cable until they
are free of the chassis.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
9. Remove the power box assembly from the server.
10. To install the AC power box, reverse the previous steps.
System board and shuttle
Note: When replacing the system board, you must either update the system with
the latest firmware or restore the pre-existing firmware that the customer
provides on a diskette or CD image.
Complete the following steps to remove the system board or shuttle.
Note:
v Read “Before you begin” on page 41.
1.
2.
3.
4.
v Read the safety notices at “Safety information” on page 169.
v Read “Handling electrostatic discharge-sensitive devices” on page 172.
Turn off the server and any attached devices.
Disconnect all power cords and external cables from the back of the server.
Remove the cover (see “Removing the top cover (all models)” on page 51).
Remove the air baffle:
a. Pull out the two plastic fasteners (also known as pop rivets) on the front of
the air baffle.
Note: Do not remove the fasteners from the server.
b. Grasp the handle on the air baffle; then, lift the air baffle from the server.
5. Remove all adapters and place them on a static-protective surface for
reinstallation (see “Installing an adapter” on page 55).
6. Remove all fans (see “Replacing a hot-swap fan” on page 101).
7. Move the shuttle back to allow easy access to the system board.
8. Remove the memory board assembly and place it on a static-protective
surface for reinstallation (see “Installing memory modules” on page 82).
9. Remove all microprocessors and VRMs (see “Microprocessor removal” on
page 119) and place them on a static-protective surface for reinstallation.
10. Disconnect all cables from the system board (see “System-board internal cable
connectors” on page 45).
Chapter 5. Service replaceable units
125
Note: The illustrations in this document might differ slightly from your
hardware.
16 screws
(4 per heatsink
retention module)
88
11. Remove the 16 screws that secure the system board to the shuttle at the heat
sink retention modules, and put the screws and the modules in a safe place.
12. Remove the other 14 screws that secure the system board to the shuttle, and
put the screws in a safe place.
13. Pull the system board carefully out of the shuttle.
14. If you are replacing the shuttle, continue with step 16 using the new shuttle
with the existing system board.
15. If you are replacing the system board, continue with step 16 using the new
system board with the existing shuttle.
16. Align the system board with the shuttle and replace the 30 screws that were
removed in step 11 and step 12 above. Be sure to replace the heat sink
retention modules that had been removed.
Attention: Do not over-tighten the screws that secure the system board to
the shuttle.
17. Slide the replacement shuttle, with its attached system board, in from the rear
of the server and close the board locking latch.
18. Replace all components in the reverse order from which they were removed.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
19. Replace the top cover and bezel (see “Installing the top cover and bezel” on
page 107).
Chapter 5. Service replaceable units
127
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 6. Symptom-to-FRU index
This index supports xSeries 255 servers.
Notes:
1. Check the configuration before you replace a FRU. Configuration problems can
cause false errors and symptoms.
2. For IBM devices not supported by this index, refer to the manual for that device.
3. Always start with “General checkout” on page 27.
The symptom-to-FRU index lists symptoms, errors, and the possible causes. The
most likely cause is listed first. Use this symptom-to-FRU index to help you decide
which FRUs to have available when servicing the computer.
The left-hand column of the tables in this index lists error codes or messages, and
the right-hand column lists one or more suggested actions or FRUs to replace.
Note: In tables with more than two columns, multiple columns are required to
describe the error symptoms.
Take the action (or replace the FRU) suggested first in the list of the right-hand
column, then try the server again to see if the problem has been corrected before
taking further action.
Note: Try reseating a suspected component or reconnecting a cable before
replacing the component.
The POST BIOS code displays POST error codes and messages on the screen.
Beep symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the examples in the following table.
Beeps
Description
1-2-3
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Three beeps
4
Four continuous beeps
One beep after successfully completing POST indicates the system is functioning
properly.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
1-1-2 (Microprocessor register test
failed)
1. Optional microprocessor (if installed)
2. Microprocessor
3. System board
© Copyright IBM Corp. 2002
129
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
1-1-3 (CMOS write/read test failed)
1. Battery
2. System board
1-1-4 (BIOS EEPROM checksum
failed)
1. Recover BIOS
1-2-1 (Programmable Interval Timer
failed)
v System board
1-2-2 (DMA initialization failed)
v System board
1-2-3 (DMA page register write/read
failed)
v System board
1-2-4 (RAM refresh verification
failed)
1. DIMM
2. System board
2. Memory card
3. System board
1-3-1 (first 64K RAM test failed)
1. DIMM
2. Memory card
2-1-1 (Secondary DMA register
failed)
v System board
2-1-2 (Primary DMA register failed)
v System board
2-1-3 (Primary interrupt mask
register failed)
v System board
2-1-4 (Secondary interrupt mask
register failed)
v System board
2-2-1 (Interrupt vector loading failed) v System board
2-2-2 (Keyboard controller failed)
1. System board
2. Keyboard
2-2-3 (CMOS power failure and
checksum checks failed)
1. Battery
2-2-4 (CMOS configuration
information validation failed)
1. Battery
2-3-1 (Screen initialization failed)
v System board
2-3-2 (Screen memory failed)
v System board
2-3-3 (Screen retrace failed)
v System board
2-3-4 (Search for video ROM failed)
v System board
2-4-1 (Video failed; screen believed
operable)
v System board
3-1-1 (Timer tick interrupt failed)
v System board
2. System board
2. System board
3-1-2 (Interval timer channel 2 failed) v System board
3-1-3 (RAM test failed above
address OFFFFH))
1. DIMM
2. Memory card
3. System board
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
3-1-4 (Time-Of-Day clock failed)
1. Battery
2. System board
3-2-1 (Serial port failed)
v System board
3-2-2 (Parallel port failed)
v System board
3-2-3 (Math coprocessor test failed)
1. Microprocessor
2. System board
3-2-3 (Failure comparing CMOS
memory size against actual)
1. DIMM
3-3-1 (Memory size mismatch
occurred.)
1. DIMM
3-3-2 (Critical SMBUS error
occurred)
1. Disconnect the server power cords from the outlets, wait 30 seconds
and retry.
2. Battery
2. Battery
2. System board.
3. DIMMs.
4. DASD backplane.
5. Power supply.
6. Power backplane.
7. I2C Cable.
3-3-3 (No operational memory in
system)
1. Install or reseat the memory modules, and then do a 3 boot reset.
(For more information on a 3 boot reset, see “Using the
Configuration/Setup Utility program” on page 11.)
2. DIMMs.
3. Memory card.
4. System board.
4-4-4 (Optional system management 1. Verify that the adapter is installed in slot 1.
adapter not installed in slot 1 or not
2. Adapter.
functioning correctly)
3. System board.
Two short beeps (Information only,
the configuration has changed)
1. Run Diagnostics.
Three short beeps
1. DIMM
2. Run the Configuration/Setup Utility program.
2. Memory card
3. System board
One continuous beep
1. Microprocessor
2. Optional microprocessor (if installed)
3. System board
Repeating short beeps
1. Keyboard
2. System board
One long and one short beep
1. Video adapter (if installed)
2. System board
One long and two short beeps
1. Video adapter (if installed)
2. System board
Chapter 6. Symptom-to-FRU index
131
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
One long and three short beeps
1. Monitor
2. Video adapter, if installed
3. System board
Two long and two short beeps
v Video adapter
No-beep symptoms
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
No-beep symptom
FRU/action
No beep and the system
operates correctly.
1. Check speaker cables.
2. Speaker.
3. System board.
No beeps occur after
successfully completing POST
(the power-on status is disabled)
1. Run the Configuration/Setup Utility program, and set the Start Options
Power-On Status to enable.
2. Check the speaker connection.
3. System board.
No ac power (power supply ac
LED is off)
1. Check the power cord.
2. Power supply. (If two are installed, swap them to determine if one is
defective.)
3. Power backplane.
4. Hot-swap power ac inlet box.
No beep and no video
v See “Undetermined problems” on page 157.
System will not start (power
supply ac LED is on)
v See “Power-supply LED errors” on page 146.
Diagnostic panel system error LED
The system-error LED is lit when an error is detected. If the system-error LED is lit,
remove the cover and check the diagnostic panel LEDs. The following table is a
complete list of diagnostics panel LEDs followed by the FRU or action for correcting
the problem. The information in the table is valid only when the system-error LED is
lit.
Notes:
1. If a diagnostics panel LED is lit and the information LED panel system-error
LED is off, there is probably an LED problem. Run LED diagnostics.
2. To locate the LEDs on the system board, see “System-board LED locations” on
page 49.
3. Check the System Error Log for additional information before replacing a FRU.
4. The DIMM error LEDs, microprocessor error LEDs, and VRM error LEDs turn
off when the system is turned off.
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Diagnostics panel LED
FRU/action
NMI on
1. If PCIx LED is also on, follow that action.
2. If PCIx LED is not on, restart the server.
3. Check the System Error Log.
ISMP on
1. Unplug the server for 30 seconds, and then retry.
2. Reflash or update firmware for ISMP, BIOS.
3. System board.
LOG on
1. System Error Log is 75% full; clear the log.
2. PFA alert; check log for failure; clear PFA alert; remove ac power for at
least 20 seconds, reconnect, then turn on the system.
3. Run Light Path Diagnostics.
PCIA on
1. Check System Error log.
2. Remove all adapters and replace one at a time until failing adapter is
identified.
3. System board.
PCIB on
1. Check System Error log.
2. Remove all adapters and replace one at a time until failing adapter is
identified.
3. System board.
PCIC on
1. Check System Error log.
2. Remove all adapters and replace one at a time until failing adapter is
identified.
3. System board.
PCID on
1. Check System Error log.
2. Remove all adapters and replace one at a time until failing adapter is
identified.
3. System board.
DASD on (The LED located next to 1. Be sure the fans are operating correctly and the airflow is good.
the drive bay that the failing drive is
2. If installed, reseat SCSI cables between SCSI backplane and the system
installed in is lit. Check the amber
board.
drive LED for the failing hard drive.)
3. Failing hard disk drive.
4. SCSI backplane.
PS1 on
1. Check the dc good LED on power supply 1. If it is off, replace power
supply 1.
2. Power backplane.
PS2 on
1. Check the dc good LED on power supply 2. If it is off, replace power
supply 2.
2. Power backplane.
CPU on (The LED next to the
failing CPU is on.)
1. Run the Configuration/Setup Utility program to verify that all CPUs have
identical cache sizes and types, clock speeds and clock frequencies.
2. Microprocessor.
3. System board.
Chapter 6. Symptom-to-FRU index
133
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Diagnostics panel LED
FRU/action
VRM on (Either the LED next to
the failing VRM or other LEDs will
be on.)
1. Voltage regulator module indicated by the lit VRM LED
2. Microprocessor indicated by the microprocessor LED
3. If memory board VRM LED (CR46) is on, memory board
4. If system board VRM LED (CR45) is on, system board
TEMP on
1. Ambient temperature must be within normal operating specifications.
See “Features and specifications” on page 3.
2. Ensure fans are operating correctly.
3. Examine System Error Log.
a. System over recommended temperature
v Information LED panel
b. DASD over recommended temperature (DASD LED also on)
1) Overheating hard drive
2) DASD backplane
c. System over recommended temperature for CPU x (where x is 1 or 2)
(CPU LED is also on)
1) CPU x
2) System board
4. If the CPU LED on the diagnostics panel is also lit, one of the
microprocessors has caused the error.
PS3 on
1. Check the dc good LED on power supply 3. If it is off, replace power
supply 3.
2. Power backplane, if installed.
PS4 on
1. Check the dc good LED on power supply 4. If it is off, replace power
supply 4.
2. Power backplane, if installed.
FAN on
1. Check individual fan LEDs.
2. Replace respective fan.
3. Fan cable.
4. System board.
5. Power backplane.
OVER SPEC on
1. Add an additional power supply.
2. Remove optional devices from the server.
NONREDUND on
1. Check the PSx LEDs and replace any indicated power supply.
2. Install an additional power supply or remove optional devices from the
server.
MEMORY on (The LED next to the
failing DIMM is on.)
Note: See “Memory errors” on
page 36.
1. DIMM x
2. Memory card
3. Microprocessor
4. System board
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Diagnostic error codes
Note: In the following error codes, if xxx is 000, 195, or 197, do not replace a FRU.
The description for these error codes are:
000
The test passed.
195
The Esc key was pressed to stop the test.
197
Warning; a hardware failure might not have occurred.
For all error codes, replace the FRU or take the action indicated.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
001-xxx-000 (Failed core tests)
v System board
001-xxx-001 (Failed core tests)
v System board
001-250-000 (Failed system board ECC)
v System board
001-250-001 (Failed system board ECC)
v System board
005-xxx-000 (Failed video test)
v System board
011-xxx-000 (Failed COM1 serial port test)
v System board
011-xxx-001 (Failed COM2 serial port test)
v System board
014-xxx-000 (Failed parallel port test)
v System board
015-xxx-001 (USB interface not found,
board damaged)
1. System board
015-xxx-015 (Failed USB external loopback 1. Make sure the parallel port is not disabled.
test)
2. Run the USB external loopback test again.
3. System board.
015-xxx-198 (USB device connected during 1. Remove USB devices from USB1 and USB2.
USB test)
2. Run the USB external loopback test again.
3. System board.
020-xxx-000 (Failed PCI interface test)
v System board
020-xxx-001 (Failed hot-swap slot 1 PCI
latch test)
1. PCI hot-swap latch assembly
020-xxx-002 (Failed Hot-swap slot 2 PCI
latch test)
1. PCI hot-swap latch assembly
020-xxx-003 (Failed hot-swap slot 3 PCI
latch test)
1. PCI hot-swap latch assembly
020-xxx-004 (Failed hot-swap slot 4 PCI
latch test)
1. PCI hot-swap latch assembly
2. System board
2. System board
2. System board
2. System board
030-xxx-000 (Failed internal SCSI interface v System board
test)
035-xxx-099
1. No adapters were found.
2. If adapter is installed re-check connection.
Chapter 6. Symptom-to-FRU index
135
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
035-xxx-S99 (Failed RAID test on PCI slot
S. S = number of failing PCI slot. Check
System Error Log before replacing a FRU.)
1. Adapter
2. SCSI backplane
3. Cable
035-xxx-snn (Check System Error Log
v Hard disk drive with SCSI ID nn on RAID adapter in PCI slot s.
before replacing a FRU. s = number of
failing PCI slot, nn = SCSI ID of failing fixed
disk.)
035-253-S99 (RAID adapter initialization
failure)
1. ServeRAID adapter in slot s is not configured properly. Obtain
the basic and extended configuration status and see the ServeRAID
Hardware Maintenance Manual for more information.
2. Cable.
3. SCSI backplane.
4. Adapter.
075-xxx-000 (Failed power supply test)
v Power supply
089-xxx-001 (Failed microprocessor test)
1. VRM 1 for microprocessor 1
2. Microprocessor 1
089-xxx-002 (Failed optional
microprocessor test)
1. VRM 2 for optional microprocessor 2
2. Optional microprocessor 2
089-xxx-003 (Failed optional
microprocessor test)
1. VRM 3 for optional microprocessor 3
089-xxx-004 (Failed optional
microprocessor test)
1. VRM 4 for optional microprocessor 4
166-198-000 System Management:
Aborted (Unable to communicate with
ASM. It may be busy. Run the test again.)
1. Run the diagnostic test again.
2. Optional microprocessor 3
2. Optional microprocessor 4
2. Correct other error conditions and retry. These include other failed
system management tests and items logged in the System Error
Log of the optional Remote Supervisor Adapter.
3. Disconnect all server and option power cords from the server, wait
30 seconds, reconnect, and retry.
4. Remote Supervisor Adapter, if installed.
5. System board.
166-201-001 System Management: Failed 1. If installed, reseat the I2C cable between the Remote
(I2C bus error(s) See SERVPROC and
Supervisor Adapter (in PCI slot 1/J26) and the system board
DIAGS entries in event log.)
(J16).
2. Reseat memory DIMMs.
3. Memory DIMMs.
4. Memory card.
5. System board.
166-201-002 System Management: Failed 1. Reseat I2C cable between the diagnostics panel and the
(I2C bus error(s) See SERVPROC and
system board (J46).
DIAGS entries in event log.)
2. Diagnostics panel.
3. System board.
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
166-201-003 System Management: Failed 1. Reseat cables between the system board and the power supply
(I2C bus error(s) See SERVPROC and
or power backplane.
DIAGS entries in event log.)
2. Power backplane.
3. System board.
166-201-004 System Management: Failed 1. DASD backplane
(I2C bus error(s) See SERVPROC and
2. System board
DIAGS entries in event log.)
166-201-005 System Management: Failed 1. Reseat Memory DIMMs.
(I2C bus error(s) See SERVPROC and
2. Reseat microprocessors.
DIAGS entries in event log.)
3. Memory DIMMs.
4. Memory card.
5. Microprocessors.
6. System board.
166-250-000 System Management: Failed 1. Reseat I2C cable between the Advanced System Management
(I2C cable is disconnected. Reconnect I2C
Adapter (in PCI slot 1/J26 and the system board (J16).
cable between Remote Supervisor Adapter
2. I2C cables.
and system board.)
3. Advanced System Management adapter.
4. System board.
166-260-000 System Management: Failed 1. Disconnect all server and option power cords from the server,
(Restart ASM Error. After restarting, ASM
wait 30 seconds, reconnect, and retry.
communication was lost. Unplug and cold
2. Reseat the Remote Supervisor Adapter (in PCI slot 1/J26).
boot to reset ASM.)
3. Remote Supervisor Adapter.
166-342-000 System Management: Failed 1. Ensure the latest firmware levels for Remote Supervisor
(ASM adapter BIST indicate failed tests.)
Adapter and BIOS.
2. Disconnect all server and option power cords from server, wait 30
seconds, reconnect, and retry.
3. Remote Supervisor Adapter.
166-400-000 System Management: Failed 1. Reflash or update firmware for ISMP.
(ISMP self test result failed tests: x where x
2. System board.
= Flash, RAM, or ROM.)
180-xxx-000 (Diagnostics LED failure)
v Run diagnostics panel LED test for the failing LED.
180-xxx-001 (Failed front LED panel test)
1. Operator information panel
2. System board
180-xxx-002 (Failed diagnostics LED panel
test)
1. Diagnostics panel
180-361-003 (Failed fan LED test)
1. Fan(s)
2. System board
2. System board
180-xxx-003 (Failed system board LED
test)
v System board
180-xxx-005 (Failed SCSI backplane LED
test)
1. SCSI backplane
2. SCSI backplane cable
3. System board
Chapter 6. Symptom-to-FRU index
137
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
201-xxx-0nn (Failed memory test.)
1. DIMM Location slots 1-12 where nn = DIMM location.
Note: nn 1=DIMM 1; 2=DIMM 2; 3=DIMM 3; 4=DIMM 4; 5=DIMM
5; 6=DIMM 6, 7=DIMM 7, 8=DIMM 8, 9=DIMM 9, 10=DIMM 10,
11=DIMM 11, 12=DIMM 12.
2. Memory card
3. System board
201-xxx-999 (Multiple DIMM failure, see
error text)
1. See error text for failing DIMMs.
2. Memory card.
3. System board.
202-xxx-001 (Failed system cache test)
1. VRM 1
2. Microprocessor 1
202-xxx-002 (Failed system cache test)
1. VRM 2
2. Microprocessor 2
202-xxx-003 (Failed system cache test)
1. VRM 3
2. Microprocessor 3
202-xxx-004 (Failed system cache test)
1. VRM 4
2. Microprocessor 4
206-xxx-000 (Failed diskette drive test)
1. Cable
2. Diskette drive
3. System board
215-xxx-000 (Failed IDE CD-ROM drive
test)
1. CD-ROM drive cables
2. CD-ROM drive
3. System board
217-198-xxx (Could not establish drive
parameters)
1. Check cable and termination.
2. SCSI backplane.
3. Hard disk.
217-xxx-000 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array.
v Hard disk 1
217-xxx-001 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array.
v Hard disk 2
217-xxx-002 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array.
v Hard disk 3
217-xxx-003 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array.
v Hard disk 4
217-xxx-004 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array.
v Hard disk 5
217-xxx-005 (Failed BIOS hard disk test)
Note: If RAID is configured, the hard disk
number refers to the RAID logical array
v Hard disk 6
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Error code/symptom
FRU/action
264-xxx-0nn (Failed tape drive test)
1. Tape cartridge, if user executed the Read/Write Tape Drive test
(failure code of xxx = 256)
2. SCSI or power cable connected to tape drive with SCSI ID nn
3. Tape drive with SCSI ID nn (refer to the Help and Service
Information appendix of the tape drive’s User Guide)
4. System board or SCSI controller (run SCSI controller diagnostic to
determine if the SCSI bus is functioning properly)
264-xxx-999 (Errors on multiple tape
drives, see error text for more info)
v See error messages/text in the PC Doctor error log for detailed
information on each individual tape drive error.
301-xxx-000 (Failed keyboard test)
Note: After installing a USB keyboard, you
might need to use the Configuration/Setup
Utility program to enable keyboardless
operation and prevent the POST error
message 301 from being displayed during
startup.
v Keyboard
405-xxx-000 (Failed Ethernet test on
controller on the system board)
1. Verify that Ethernet is not disabled in BIOS.
405-xxx-00n (Failed Ethernet test on
adapter in PCI slot n)
1. Adapter in PCI slot n
415-xxx-000 (Failed Modem test)
1. Cable.
Note: Ensure modem is present and attached to server.
2. System board.
2. System board
2. Modem.
3. System board.
Error symptoms
You can use the error symptom table to find solutions to problems that have definite
symptoms.
If you cannot find the problem in the error symptom charts, go to “Starting the
diagnostic programs” on page 31 to test the server.
If you have just added new software or a new option and your server is not
working, do the following before using the error symptom charts:
v Remove the software or device that you just added.
v Run the diagnostic tests to determine if your server is running correctly.
v Reinstall the new software or new device.
In the following table, if the entry in the FRU/action column is a suggested action,
perform that action; if it is the name of a component, reseat the component and
replace it if necessary. The most likely cause of the symptom is listed first.
Chapter 6. Symptom-to-FRU index
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
CD-ROM drive problems
Symptom
FRU/action
CD-ROM drive is not
recognized.
1. Verify that:
v The IDE channel to which the CD-ROM drive is attached (primary or
secondary) is enabled in the Configuration/Setup Utility program.
Note: On a server with a single IDE channel, only the primary channel can
be used.
v All cables and jumpers are installed correctly.
v The correct device driver is installed for the CD-ROM drive.
2. Run CD-ROM drive diagnostics.
3. Cable.
4. CD-ROM drive.
5. System board.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Diskette drive problems
Symptom
FRU/action
Diskette drive activity LED stays 1. If there is a diskette in the drive, verify that:
on, or the system bypasses the
v The diskette drive is enabled in the Configuration/Setup utility program.
diskette drive.
v The diskette is good and not damaged. (Try another diskette if you have
one.)
v The diskette is inserted correctly in the drive.
v The diskette contains the necessary files to start the server.
v The software program is working properly.
v The cable is installed correctly (in the proper orientation).
2. Run diskette drive diagnostics.
3. Cable.
4. Diskette drive.
5. System board.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Expansion enclosure problems
Symptom
FRU/action
The SCSI expansion enclosure
used to work but does not work
now.
1. Verify that:
v The cables for all external SCSI options are connected correctly.
v The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the server.
2. For more information, see your SCSI expansion enclosure documentation.
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Hard disk drive problems
Symptom
FRU/action
Not all drives are recognized by 1. Remove the first drive not recognized and try the hard disk drive
the hard disk drive diagnostic
diagnostic test again.
test (Fixed Disk test).
2. If the remaining drives are recognized, replace the drive you removed with a
new one.
System stops responding during 1. Remove the hard disk drive being tested when the server stopped
hard disk drive diagnostic test.
responding and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive you
removed with a new one.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
General problems
Symptom
FRU/action
Problems such as broken cover
locks or indicator LEDs not
working
v Broken CRU/FRU
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Intermittent problems
Symptom
FRU/action
A problem occurs only
occasionally and is difficult to
detect.
1. Verify that:
v All cables and cords are connected securely to the rear of the server and
attached options.
v When the server is turned on, air is flowing from the rear of the server at the
fan grill. If there is no airflow, the fan is not working. This causes the server
to overheat and shut down.
v Ensure that the SCSI bus and devices are configured correctly and that the
last external device in each SCSI chain is terminated correctly.
2. Check the system error log.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Keyboard, mouse, or pointing-device problems
Symptom
FRU/action
All or some keys on the
keyboard do not work.
1. Verify that:
v The keyboard cable is securely connected to the system, and the keyboard
and mouse cables are not reversed.
v The server and the monitor are turned on.
2. Keyboard.
3. System board.
The mouse or pointing device
does not work.
1. Verify that:
v The mouse or pointing-device cable is securely connected, and that the
keyboard and mouse cables are not reversed.
v The mouse device drivers are installed correctly.
2. Mouse or pointing device.
3. System board.
Chapter 6. Symptom-to-FRU index
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Memory problems
Symptom
FRU/action
The amount of system memory
displayed is less than the
amount of physical memory
installed.
1. Verify that:
v The memory modules are seated properly.
v You have installed the correct type of memory.
v If you changed the memory, you updated the memory configuration with the
Configuration/Setup Utility program.
v All banks of memory on the DIMMs are enabled. The server might have
automatically disabled a DIMM bank when it detected a problem or a DIMM
bank could have been manually disabled.
2. Check POST error log for error message 289:
v If the DIMM was disabled by a system-management interrupt (SMI), replace
the DIMM.
v If the DIMM was disabled by the user or by POST:
a. Start the Configuration/Setup Utility program.
b. Enable the DIMM.
c. Save the configuration and restart the server.
3. DIMM.
4. Memory card.
5. System board.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Microprocessor problems
Symptom
FRU/action
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.)
1. Verify that the startup microprocessor is seated properly.
2. Startup microprocessor.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Monitor problems
Symptom
FRU/action
Testing the monitor.
v See the information that comes with the monitor for adjusting and testing
instructions. (Some IBM monitors have their own self-tests.)
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Monitor problems
Symptom
FRU/action
The screen is blank.
1. Verify that:
v The server power cord is plugged into the server and a working electrical
outlet.
v The monitor cables are connected properly.
v The monitor is turned on and the Brightness and Contrast controls are
adjusted correctly.
v If the servers are C2T chained together, verify that:
– The C2T chain cables are securely connected to the servers.
– The C2T breakout cable is connected properly.
– A server that is turned on is selected.
Important: In some memory configurations, the 3-3-3 beep code (see “Beep
symptoms” on page 129) might sound during POST followed by a blank display
screen. If this occurs and the Boot Fail Count feature in the Start Options of
the Configuration/Setup Utility program is set to Enabled (its default setting),
you must restart the server three times to force the system BIOS to reset the
CMOS values to the default configuration (memory connector or bank of
connectors enabled).
2. If you have verified these items and the screen remains blank, replace:
a. Monitor
b. Video adapter, if installed
c. System board
Only the cursor appears.
v See “Undetermined problems” on page 157.
The monitor works when you
turn on the server but goes
blank when you start some
application programs.
1. Verify that:
v The application program is not setting a display mode higher than the
capability of the monitor.
v The primary monitor cable is connected to the C2T device breakout cable.
v You installed the necessary device drivers for the applications.
2. If you have verified these items and the screen remains blank, replace the
monitor.
The screen is wavy, unreadable, 1. If the monitor self-tests show the monitor is working properly, consider
rolling, distorted, or has screen
the location of the monitor. Magnetic fields around other devices (such as
jitter.
transformers, appliances, fluorescent lights, and other monitors) can cause
screen jitter or wavy, unreadable, rolling, or distorted screen images. If this
happens, turn off the monitor. (Moving a color monitor while it is turned on
might cause screen discoloration.) Then move the device and the monitor at
least 305 mm (12 in.) apart. Turn on the monitor.
Notes:
a. To prevent diskette drive read/write errors, be sure the distance between
monitors and diskette drives is at least 76 mm (3 in.).
b. Non-IBM monitor cables might cause unpredictable problems.
c. An enhanced monitor cable with additional shielding is available for the
9521 and 9527 monitors. For information about the enhanced monitor
cable, contact your IBM reseller or IBM marketing representative.
2. Video adapter, if installed.
3. System board.
Chapter 6. Symptom-to-FRU index
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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Monitor problems
Symptom
FRU/action
Wrong characters appear on the 1. If the wrong language is displayed, update the BIOS code with the correct
screen.
language.
2. Video adapter, if installed.
3. System board.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Option problems
Symptom
FRU/action
An IBM option that was just
installed does not work.
1. Verify that:
v The option is designed for the server (see the ServerProven list on the World
Wide Web at http://www.ibm.com/pc/compat/).
v You followed the installation instructions that came with the option.
v The option is installed correctly.
v You have not loosened any other installed options or cables.
v You updated the configuration information in the Configuration/Setup Utility
program. Whenever memory or an option is changed, you must update the
configuration.
2. Option you just installed.
An IBM option that used to work 1. Verify that all of the option hardware and cable connections are secure.
does not work now.
2. If the option comes with its own test instructions, use those instructions to test
the option.
3. If the failing option is a SCSI option, verify that:
v The cables for all external SCSI options are connected correctly.
v The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the server.
4. Failing option.
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Power problems
Symptom
FRU/action
The server does not turn on.
1. Verify that:
v The power cables are properly connected to the server.
v The electrical outlet functions properly.
v The type of memory installed is correct.
v If you just installed an option, remove it, and restart the server. If the server
now turns on, you might have installed more options than the power supply
supports.
2. If LEDs for CPUs or VRMs are on, verify that:
a. A VRM is populated for each microprocessor.
b. All microprocessors have the same speed.
c. Override front panel pushbutton by turning on switch 7 of SW2; if power
comes on:
1) Service processor error.
2) Power reset card.
3. See “Undetermined problems” on page 157.
The server does not turn off.
1. Press Ctrl+Alt+Delete.
2. Turn off the system by holding the power-control button for 4 seconds.
3. If server fails during BIOS POST and power-control button does not work,
remove the AC power cord.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Serial port problems
Symptom
FRU/action
The number of serial ports
identified by the operating
system is less than the number
of serial ports installed.
1. Verify that:
v Each port is assigned a unique address by the Configuration/Setup Utility
program and none of the serial ports is disabled.
v The serial-port adapter, if you installed one, is seated properly.
2. Failing serial port adapter.
A serial device does not work.
For more information about the
serial port, see “Serial ports” on
page 114.
1. Verify that:
v The device is compatible with the server.
v The serial port is enabled and is assigned a unique address.
v The device is connected to the correct port (see “Input/output connectors” on
page 110).
2. Failing serial device.
3. Serial adapter, if installed.
4. System board.
Chapter 6. Symptom-to-FRU index
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Software problem
Symptom
FRU/action
Suspected software problem.
1. To determine if problems are caused by the software, verify that:
v Your server has the minimum memory needed to use the software. For
memory requirements, see the information that comes with the software.
Note: If you have just installed an adapter or memory, you might have a
memory address conflict.
v The software is designed to operate on your server.
v Other software works on your server.
v The software that you are using works on another system.
If you received any error messages when using the software program, see the
information that comes with the software for a description of the messages and
suggested solutions to the problem.
2. If you have verified these items and the problem remains, contact your place of
purchase.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Universal Serial Bus (USB) port problems
Symptom
FRU/action
A USB device does not work.
v Verify that:
– You are not trying to use a USB device during POST if you have a standard
(non-USB) keyboard attached to the keyboard port.
Note: If a standard (non-USB) keyboard is attached to the keyboard port, the
USB is disabled and no USB device will work during POST.
– The correct USB device driver is installed.
– Your operating system supports USB devices.
Power-supply LED errors
Use the information in this section to solve power-supply problems.
Note: The minimum configuration required for the dc good light to be lit is:
v Power supply.
v Power backplane.
v System board (set switch 7 of SW2 to bypass the power switch; see
“System-board switches and jumpers” on page 47.)
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
AC good LED
DC good LED
Description
FRU/action
Off
Off
No power to system or ac
problem.
1. Check ac power to the system.
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2. Power supply.
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AC good LED
DC good LED
Description
FRU/action
On
Off
Standby mode or dc
problem.
1. Check system board cable connectors
J46 and J40. Move switch 7 of SW 2 to
bypass power control. If the dc good LED
is lit, press Ctrl+Alt+Delete. Watch the
screen for any POST errors. Check the
System Error Log for any listed problems. If
the system starts with no errors:
a. Power switch assembly
b. System board
2. Remove the adapters and disconnect the
cables and power connectors to all internal
and external devices. Turn on the system.
If the dc good LED is lit, replace the
adapters and devices one at a time until
you isolate the problem.
3. Power supply.
4. Power backplane.
5. System board.
On
On
Power is working properly.
N/A
POST error codes
In the following error codes, X can be any number or letter.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
062 (Three consecutive startup failures
using the default configuration.)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. System board.
4. Microprocessor.
101, 102 (System and processor error)
v System board
106 (System and processor error)
v System board
111 (Channel check error)
1. DIMM
2. Memory card
3. System board
114 (Adapter read-only memory error)
1. Failing adapter.
2. Run diagnostics.
129 (Internal cache error)
1. Microprocessor
2. Optional microprocessor (if installed)
151 (Real time clock error)
1. Run diagnostics.
2. Battery.
3. System board.
161 (Real time clock battery error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. System board.
Chapter 6. Symptom-to-FRU index
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Error code/symptom
FRU/action
162 (Device configuration error)
Note: Be sure to load the default settings
and any additional desired settings; then,
save the configuration.
1. Run the Configuration/Setup Utility program.
2. Battery.
3. Failing device.
4. System board.
163 (Real-time clock error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. System board.
164 (Memory configuration changed.)
1. Run the Configuration/Setup Utility program.
2. DIMM.
3. Memory card.
4. System board.
175 (Hardware error)
v System board
176 (Computer cover or cable cover was
removed without a key being used)
1. Run the Configuration/Setup Utility program.
177, 178 (Security hardware error)
1. Run the Configuration/Setup Utility program.
2. System board.
2. System board.
184 (Power-on password damaged)
1. Run the Configuration/Setup Utility program.
2. System board.
185 (Drive startup sequence information
corrupted)
1. Run the Configuration/Setup Utility program.
2. System board.
186 (Security hardware control logic failed) 1. Run the Configuration/Setup Utility program.
2. System board.
187 (VPD serial number not set.)
1. Set serial number in the Configuration/Setup Utility program.
2. System board.
188 (Bad EEPROM CRC #2)
1. Run the Configuration/Setup Utility program.
2. System board.
189 (An attempt was made to access the
server with invalid passwords)
1. Run the Configuration/Setup Utility program, and type the
administrator password.
201 (Memory test error.) If the server does 1. DIMM
not have the latest level of BIOS installed,
2. Memory card
update the BIOS to the latest level and
3. System board
run the diagnostic program again.
229 (Cache error)
1. Microprocessor
2. Optional microprocessor (if installed)
262 (DRAM parity configuration error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. System board.
289 (DIMM disabled by POST or user)
1. Run the Configuration/Setup Utility program, if the DIMM was
disabled by the user.
2. Disabled DIMM, if not disabled by user.
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Error code/symptom
FRU/action
301 (Keyboard or keyboard controller
error)
Note: After installing a USB keyboard,
you might need to use the
Configuration/Setup Utility to enable
keyboardless operation and prevent the
POST error message 301 from being
displayed during startup.
1.
303 (Keyboard controller error)
v System board
602 (Invalid diskette boot record)
1. Diskette
Keyboard
2. System board
2. Diskette drive
3. Cable
4. System board
604 (Diskette drive error)
1. Run the Configuration/Setup Utility program and diagnostics.
2. Diskette drive.
3. Drive cable.
4. System board.
605 (Unlock failure)
1. Diskette drive
2. Drive cable
3. System board
662 (Diskette drive configuration error)
1. Run the Configuration/Setup Utility program and diagnostics.
2. Diskette drive.
3. Drive cable.
4. System board.
762 (Coprocessor configuration error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. Microprocessor.
962 (Parallel port error)
1. Disconnect the external cable on the parallel port.
2. Run the Configuration/Setup Utility program.
3. System board.
11XX (System board serial port 1 or 2
error)
1. Disconnect the external cable on the serial port.
2. Run the Configuration/Setup Utility program.
3. System board.
2
1301 (I C cable to front panel not found)
1. Cable
2. Front panel
3. Power switch assembly
4. System board
2
1302 (I C cable from system board to
power on and reset switches not found)
1. Cable
2. Power switch assembly
3. System board
2
1303 (I C cable from system board to
power backplane not found)
1. Cable
2. Power backplane
3. System board
Chapter 6. Symptom-to-FRU index
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Error code/symptom
2
FRU/action
1304 (I C cable to diagnostic LED board
not found)
1. Power switch assembly
1601 (The system is able to communicate
to the system management processor, but
the system management processor failed
to respond at the start of POST.) Do the
following before replacing a FRU:
1. Remote Supervisor Adapter, if installed
2. System board
2. System board
1. Remove the ac power to the server,
wait 20 seconds; then, reconnect the
ac power. Wait 30 seconds; then, turn
on the server.
2. Flash update the system management
processor.
1602 (Cable for optional service processor v Disconnect all server and option power cords from server, wait
adapter not installed)
30 seconds, reconnect, and retry.
1762 (Hard disk configuration error)
1. Hard disk drive.
2. Hard disk cables.
3. Run the Configuration/Setup Utility program.
4. Hard disk adapter.
5. SCSI backplane.
6. System board.
178X (Fixed disk error)
1. Hard disk cables.
2. Run diagnostics.
3. Hard disk adapter.
4. Hard disk drive.
5. System board.
1800 (No more hardware interrupt
available for PCI adapter)
1. Run the Configuration/Setup Utility program.
2. Failing adapter.
3. System board.
1962 (Drive does not contain a valid boot
sector)
1. Verify that a startable operating system is installed.
2. Run diagnostics.
3. Hard disk drive.
4. SCSI backplane.
5. Cable.
6. System board.
2400 (Video controller test failure)
1. Video adapter (if installed)
2. System board
2462 (Video memory configuration error)
1. Video adapter (if installed)
2. System board
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Error code/symptom
FRU/action
5962 (IDE CD-ROM drive configuration
error)
1. Run the Configuration/Setup Utility program.
2. CD-ROM drive.
3. CD-ROM power cable.
4. IDE cable.
5. System board.
6. Battery.
8603 (Pointing-device error)
1. Pointing device
2. System board
0001200 (Machine check architecture
error)
1. Microprocessor 1
00012000 (Microprocessor machine
check)
1. Microprocessor
00019501 (Microprocessor 1 is not
functioning - check VRM and
microprocessor LEDs)
1. VRM 1
2. Optional microprocessor 2
2. System board
2. Microprocessor 1
3. System board
00019502 (Microprocessor 2 is not
functioning - check VRM and
microprocessor LEDs)
1. VRM 2
2. Microprocessor 2
3. System board
00019503 (Microprocessor 3 is not
functioning - check VRM and
microprocessor LEDs)
1. VRM 3
2. Microprocessor 3
3. System board
00019504 (Microprocessor 4 is not
functioning - check VRM and
microprocessor LEDs)
1. VRM 4
2. Microprocessor 4
3. System board
00019701 (Microprocessor 1 failed)
1. Microprocessor 1
2. System board
00019702 (Microprocessor 2 failed)
1. Microprocessor 2
2. System board
00019703 (Microprocessor 3 failed)
1. Microprocessor 3
2. System board
00019704 (Microprocessor 4 failed)
1. Microprocessor 4
2. System board
00151700 (Hot Spare Memory copy
started)
1. Run diagnostics.
2. DIMM.
3. Memory card.
00151710 (Hot Spare Memory copy
completed)
1. Run diagnostics.
2. DIMM.
3. Memory card.
Chapter 6. Symptom-to-FRU index
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Error code/symptom
FRU/action
00180100 (A PCI adapter has requested
memory resources that are not available.)
1. Reorder the adapters in the PCI slots. It is important that your
startup device is positioned early in the startup-device order so
that it is assigned its required resources.
Notes:
a. If a RAID and a SCSI adapter are installed and both adapters
are set up to boot, try disabling the BIOS on the SCSI adapter to
free up space in ROM.
b. Other types of adapters could also use ROM space; it may be
possible to disable the BIOS on these cards as well.
c. BIOS can be disabled to free up ROM space for additional
controllers if an onboard Adaptec controller or an Adaptec PCI
card is present.
d. Once a controller has been disabled, it will not be bootable.
2. Ensure that the PCI adapter and all other adapters are set correctly
in the Configuration/Setup Utility program Utility program. If the
memory resource settings are not correct, change the settings.
3. If all memory resources are being used, you might need to remove
an adapter to make memory available to the PCI adapter. Disabling
the BIOS code on the adapter might correct the error. (See the
documentation provided with the adapter.)
00180200 (No more I/O space available
for PCI adapter)
1. Run the Configuration/Setup Utility program.
2. Failing adapter.
3. System board.
00180300 (No more memory (above 1MB
for PCI adapter))
1. Run the Configuration/Setup Utility program.
2. Failing adapter.
3. System board.
00180400 (No more memory (below 1MB
for PCI adapter))
1. Run the Configuration/Setup Utility program.
2. Move the failing adapter to slot 1.
3. Failing adapter.
4. System board.
00180500 (PCI option ROM checksum
error)
1. Remove the failing PCI card.
00180600 (PCI to PCI bridge error)
1. Run the Configuration/Setup Utility program.
2. System board.
2. Move the failing adapter to slot 1.
3. Failing adapter.
4. System board
00180700, 00180800 (General PCI error)
1. System board
2. PCI card
00181000 (PCI error)
v Adapter
v System board
01295085 (ECC checking hardware test
error)
1. System board
01298001 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
152
2. Microprocessor
2. Microprocessor 1.
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom
FRU/action
01298002 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298003 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298004 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298101 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298102 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298103 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
01298104 (System BIOS installed on this
server does not support level of
processor)
1. Ensure all microprocessors have the same cache size.
I9990301 (Hard disk sector error)
1. Hard disk drive
2. Microprocessor 2.
2. Microprocessor 3.
2. Microprocessor 4.
2. Microprocessor 1.
2. Microprocessor 2.
2. Microprocessor 3.
2. Microprocessor 4.
2. SCSI backplane
3. Cable
4. System board
I9990305 (Hard disk sector error, no
operating system installed)
1. Install an operating system on the hard disk.
I9990650 (AC power has been restored)
1. Check cable.
2. Check for interruption of power.
3. Power cable.
Service processor error codes
Service processor error codes in the POST error log will appear in hexadecimal
form (generally beginning with A2, A3, A4, A5, A6, A7, AD, AE, or E1). These error
codes will appear in text format when viewed from the System Error Log through
the diagnostic programs. To determine a possible error condition for the service
processor, view the System Error Log from the diagnostic programs (see “Viewing
error logs from diagnostic programs” on page 30).
Chapter 6. Symptom-to-FRU index
153
SCSI error codes
Error code
FRU/action
All SCSI Errors One or more of the
following might be causing the problem:
1. External SCSI devices must be turned on before you turn on
the server.
v A failing SCSI device (adapter, drive,
controller)
2. Make sure that the cables for all external SCSI devices are
connected correctly.
v An improper SCSI configuration or SCSI
termination jumper setting
3. If you have attached an external SCSI device to the server, make
sure the external SCSI termination is set to automatic.
v Duplicate SCSI IDs in the same SCSI
chain
4. Make sure that the last device in each SCSI chain is terminated
correctly.
v A missing or improperly installed SCSI
terminator
5. Make sure that the SCSI devices are configured correctly.
v A defective SCSI terminator
v An improperly installed cable
v A defective cable
Temperature error messages
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
DASD Over Temperature (level-critical;
direct access storage device bay x was
over temperature)
v Ensure that the system is being properly cooled; see “System
reliability considerations” on page 41.
DASD Over recommended Temperature
v Ensure that the system is being properly cooled; see “System
(sensor x) (level-warning; DASD bay x had
reliability considerations” on page 41.
over temperature condition)
DASD under recommended temperature
(sensor x) (level-warning; direct access
storage device bay x had under
temperature condition)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
DASD Over Temperature (level-critical;
sensor for DASD1 reported temperature
over recommended range)
v Ensure system is being properly cooled; see “System reliability
considerations” on page 41.
Power supply x Temperature Fault
(level-critical; power supply x had over
temperature condition)
1. Ensure system is being properly cooled; see “System reliability
considerations” on page 41.
System board is over recommended
temperature (level-warning; system board
is over recommended temperature)
1. Ensure system is being properly cooled; see “System reliability
considerations” on page 41.
2. Replace power supply x
2. Replace the system board.
System board is under recommended
temperature (level-warning; system board
is under recommended temperature)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
System over temperature for CPU x
(level-warning; CPU x reporting over
temperature condition)
v Ensure system is being properly cooled; see“System reliability
considerations” on page 41.
System under recommended CPU x
temperature (level-warning; system
reporting under temperature condition for
CPU x)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
154
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Fan error messages
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
Fan x failure (level-critical; fan x had a
failure)
1. Check connections to fan x.
Fan x fault (level-critical; fan x beyond
recommended RPM range)
Fan x outside recommended speed
action
2. Replace fan x.
1. Check connections to fan x.
2. Replace fan x.
1. Replace fan x.
Power error messages
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
Power supply x current share fault
(level-critical; excessive current demand on
power supply x)
v Replace power supply x.
Power supply x DC good fault
v Replace power supply x.
(level-critical; power good signal not detected
for power supply x)
Power supply x temperature fault
v Replace power supply x.
Power supply x removed
v No action required - information only.
Power supply x fan fault (level-critical; fan
fault in power supply x)
v Replace power supply x.
Power supply x 12 V fault (level-critical;
overcurrent condition detected)
v See “Power checkout” on page 37.
Power supply x 3.3 V fault (level-critical;
3.3 V power supply x had an error)
v See “Power checkout” on page 37.
Power supply x 5 V fault (level-critical; 5 V
power supply x had an error)
v See “Power checkout” on page 37.
System running non-redundant power
(level-noncritical; system does not have
redundant power)
1. Add another power supply.
2. Remove options from system.
3. System can continue to operate without redundancy protection if
steps 1 and 2 are not followed.
System under recommended voltage for x 1. Check connections to the power subsystem.
(level-warning; indicated voltage supply
2. Power supply.
under nominal value; value for x can be +12,
3. Power backplane.
-12, or +5)
System shutdown
Refer to the following tables when experiencing system shutdown related to voltage
or temperature problems.
Chapter 6. Symptom-to-FRU index
155
Voltage related system shutdown
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
System shutoff due to x current over
max value (level-critical; system drawing
too much current on voltage x bus)
v See “Power checkout” on page 37.
System shutoff due to x V over voltage
(level-critical; system shutoff due to x
supply over voltage)
1. Check the power-supply connectors
2. Power supply.
3. Power backplane.
System shutoff due to x V under voltage 1. Check the power-supply connectors.
(level-critical system shutoff due to x supply
2. Power supply.
under voltage)
3. Power backplane.
System shutoff due to VRM x over
voltage
v Replace VRM x.
System shutoff due to excessive (< 240
VA) loading
1. See “Power checkout” on page 37.
2. Cycle ac on/off.
Temperature related system shutdown
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
System shutoff due to board over
temperature (level-critical; board is over
temperature)
1. Ensure that the system is being properly cooled; see “System
reliability considerations” on page 41″.
2. Replace board.
System shutoff due to CPU x over
temperature (level-critical; CPU x is over
temperature)
1. Ensure that the system is being properly cooled; see “System
reliability considerations” on page 41.
System shutoff due to CPU x under
temperature (level-critical; CPU x is under
temperature)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
System shutoff due to DASD temperature
(sensor x) (level-critical; DASD area
reported temperature outside recommended
operating range)
v Ensure that the system is being properly cooled; see “System
reliability considerations” on page 41.
System shutoff due to high ambient
temperature (level-critical; high ambient
temperature)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
System shutoff due to system board
under temperature (level-critical; system
board is under temperature)
v Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
156
2. Replace CPU x.
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
DASD checkout
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
Hard drive x removal detected
(level-critical; hard drive x has been
removed)
v Information only, take action as appropriate.
Host built-in self test (BIST)
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message
Action
Host fail (level-informational; built-in
self-test for the host failed)
1. Reseat the microprocessor.
2. Reseat the VRM.
3. Replace the microprocessor.
Bus fault messages
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Bus fault messages
Message Action
Failure reading I2C device. Check devices 1. If installed, reseat the I2C cable between the Remote
on bus 0.
Supervisor Adapter (in PCI slot 1/J26) and the system board
(J16).
2. Memory DIMMs.
3. Memory card.
4. System board.
Failure reading I2C device. Check devices 1. Reseat the cable between the operator information panel and
on bus 1.
system board (J46).
2. Operator information panel.
3. System board.
Failure reading I2C device. Check devices 1. Reseat the cable between the system board and the power
on bus 2.
supply (power backplane) (J40).
2. Power backplane.
3. Power supply.
4. System board.
Failure reading I2C device. Check devices 1. Reseat the cable between the DASD backplane and connector
on bus 3.
(J15) of system board.
2. DASD backplane.
3. System board.
Failure reading I2C device. Check device
on bus 4.
v System board
Undetermined problems
Use the information in this section if the diagnostic tests did not identify the failure,
the devices list is incorrect, or the system is inoperative.
Chapter 6. Symptom-to-FRU index
157
Notes:
1. Damaged data in CMOS can cause undetermined problems.
2. Damaged data in BIOS code can cause undetermined problems.
Check the LEDs on all the power supplies. If the LEDs indicate the power supplies
are working correctly, complete the following steps:
1. Turn off the server.
2. Be sure the server is cabled correctly.
3. Remove or disconnect the following devices (one at a time) until you find the
failure (turn on the server and reconfigure each time):
v Any external devices
v Surge suppressor device (on the server)
v Modem, printer, mouse, or non-IBM devices
v Each adapter
v Drives
v Memory modules (minimum requirement = 256 MB (2 banks of 128 MB
DIMMs))
Note: Minimum operating requirements are:
a. One power supply
b. Power backplane
c. System board
d. One microprocessor and VRM
e. Memory module (with a minimum of two 128 MB DIMMs)
4. Turn on the server. If the problem remains, suspect the following FRUs in the
order listed:
v Power supply
v Power backplane
v System board
Notes:
1. If the problem goes away when you remove an adapter from the system and
replacing that adapter does not correct the problem, suspect the system board.
2. If you suspect a networking problem and all the system tests pass, suspect a
network cabling problem external to the system.
Problem determination tips
Due to the variety of hardware and software combinations that can be encountered,
use the following information to assist you in problem determination. If possible,
have this information available when requesting assistance from Service Support
and Engineering functions.
v Machine type and model
v Microprocessor or hard disk upgrades
v Failure symptom
– Do diagnostics fail?
– What, when, where, single, or multiple systems?
– Is the failure repeatable?
– Has this configuration ever worked?
– If it has been working, what changes were made prior to it failing?
– Is this the original reported failure?
v Diagnostics version
– Type and version level
158
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
v Hardware configuration
– Print (print screen) configuration currently in use
– BIOS level
v Operating system software
– Type and version level
Note: To eliminate confusion, identical systems are considered identical only if
they:
1. Are the exact machine type and models
2. Have the same BIOS level
3. Have the same adapters/attachments in the same locations
4. Have the same address jumpers/terminators/cabling
5. Have the same software versions and levels
6. Have the same diagnostics code (version)
7. Have the same configuration options set in the system
8. Have the same setup for the operation system control files
Comparing the configuration and software set-up between ″working″ and
″non-working″ systems will often lead to problem resolution.
Chapter 6. Symptom-to-FRU index
159
160
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 7. Parts listing, xSeries 255
This parts listing supports the xSeries 255 (Type 8685), Models 1RX, 11X, 2RX,
21X, 3RX, 31X.
1
2
3
4
3
5
6
27
7
8
26
25
88
9
10
11
24
22
12
23
21
NMI
PCIA
SP
PCIB
PS1
LOG
PCIC
PS2
PS3
DASD
CPU
PS4
VRM
FAN
J1
TEMP
OVER
SPEC
NON
RED.
REMI
J2
J7
J8
J3
J9
J4
ND
J10
J5
J11
J6
J12
13
20
19
14
16
15
17
18
© Copyright IBM Corp. 2002
161
System
Note: Field replaceable units (FRUs) should be serviced only by qualified field
service technicians. Customer replaceable units can be replaced by the
customer.
Index
1
2
3
4
5
5
6
7
7
8
8
9
9
9
9
9
9
10
11
12
13
14
15
16
17
18
19
19
19
20
21
22
23
24
25
26
27
162
System (xSeries 255, Type 8685, Models 1RX, 11X, 2RX,21X, 3RX,
31X)
Cover, top (all models)
Baffle, air (all models)
Fan, 92 mm (all models)
Insulator (all models)
Memory, 256 MB PC1600 ECC (models 1RX 11X), 4RX, 41X)
Memory, 512 MB PC1600 ECC (models 2RX 21X 3RX 31X, 5RX,
51X,6RX, 61X)
Card, memory (all models)
VRM (models 1RX, 11X, 2RX, 21X, 3RX, 31X)
VRM (models 4RX, 41X, 5RXR, 51X, 6RX, 61X)
Heat sink (models 1RX, 11X, 2RX, 21X, 3RX, 31X)
Heat sink (models 41X, 51X, 61X, 4RX, 5RX, 6RX)
Microprocessor, 100/1.4-512 KB (models 1RX 11X)
Microprocessor, 100/1.5-512 KB (models 2RX 21X)
Microprocessor, 100/1.6-1 MB (models 3RX 31X)
Microprocessor, 400/1.5 MB (models 4RX, 41X)
Microprocessor, 400/1.9 MB (models 5RX, 51X)
Microprocessor, 400/2.0 MB (models 6RX, 61X)
System board (all models)
Hot swap board (all models)
Fan, lower with connector (all models)
Power supply, 370 watt (all models)
AC box/cable assembly (all models)
Weldment, chassis 7 U (all models)
Diskette drive, black (all models)
Bezel, media blank 5.25″ (all models)
Bezel assembly, rack (models 1RX 2RX 3RX, 4RX, 5RX, 6RX)
CD-ROM drive,48X, primary (all models)
CD-ROM drive,48X, alternate (all models)
CD-ROM drive,48X, alternate (all models)
Filler, hard disk drive (all models)
Front panel assembly card (all models)
Power backplane assembly (all models)
Weldment, shuttle (all models)
Microprocessor air baffle (all models)
Retainer, PCI hot plug adapter (all models)
Support, DASD backplane (all models)
Hard disk drive backplane assembly (all models)
VRM baffle (all models)
Media trim bezel (all models)
Power/reset switch button (models 11X 21X 31X)
Filler, cooling (all models)
Cable management arm, rack (models 1RX 2RX 3RX, 4RX, 5RX, 6RX)
Door assembly, tower bezel (models 11X 21X 31X, 41X, 51X, 61X)
Bracket, PCI I/O card (all models)
Bracket, tape backup holder (all models)
Bracket assembly, memory card (all models)
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
FRU No.
CRU/FRU
32P1423
32P1428
09N9474
06P6356
33L3282
33L3284
CRU
CRU
CRU
CRU
CRU
CRU
32P0836
49P2073
49P2129
48P9576
59P6940
49P2417
49P2418
24P6703
59P6941
59P6942
59P6949
32P0835
06P5577
32P1427
24P6850
32P1421
32P1418
76H4091
00N6407
24P6785
33P3211
33P3203
33P3207
06P6245
32P0839
32P0837
32P1419
24P1284
06P6361
32P1420
32P0838
59P5152
59P5155
59P5156
32P1422
32P1430
32P1432
06P5580
12J5681
24P1019
FRU
CRU
CRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
CRU
CRU
FRU
FRU
CRU
CRU
CRU
CRU
CRU
CRU
CRU
FRU
FRU
FRU
CRU
FRU
FRU
FRU
CRU
FRU
FRU
CRU
CRU
CRU
FRU
CRU
FRU
Index
System (xSeries 255, Type 8685, Models 1RX, 11X, 2RX,21X, 3RX,
31X)
VRM clip, plastic (all models)
VRM clip, metal (all models)
Slide assembly with bracket (models 1RX 2RX 3RX, 4RX, 5RX, 6RX)
Slide, CD-ROM drive (all models)
Slide, diskette disk drive (all models)
Flange assembly, EIA (models 1RX 2RX 3RX, 4RX, 5RX, 6RX)
Side cover hardware (models 11X 21X 31X, 41X, 51X, 61X)
Mouse assembly (models 11X 12X 21X 31X)
System service label (all models)
System board shield (all models)
Shipping bracket (models 1RX 2RX 3RX, 4RX, 5RX, 6RX)
Battery, 3.0 volt (8590) (all models)
Cable, HP switch card to system board (all models)
Cable, hard disk drive to power backplane (all models)
Cable, short hard disk drive (all models)
Cable, power backplane to system board, 2x12 (all models)
Cable, power backplane to system board, 2x4 (all models)
Cable, SCSI signal, backplane to RAID (all models)
Cable, backplane to system board (all models)
Cable, signal, diskette disk drive (all models)
Cable, system board to bulkhead SCSI (all models)
Cable, system board to fans (all models)
Cable, system board to fans (all models)
Cable, backplane to fans (all models)
Cable, system board to panel (all models)
Cord, 2.8 meter jumper (all models)
Cable, power (all models)
Cable, hard disk drive (all models)
Power cord (all models)
FRU No.
CRU/FRU
31P6026
31P6025
32P1429
00N6412
00N6413
32P1431
32P1433
24P0383
24P1033
24P1022
24P1030
33F8354
06P6375
24P1054
59P5151
32P1438
32P1439
02R0706
32P1440
32P1441
32P1443
32P1444
32P1445
32P1446
32P1448
36L8886
37L0132
37L4525
6952300
CRU
CRU
CRU
CRU
CRU
FRU
FRU
CRU
CRU
FRU
CRU
CRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
FRU
CRU
FRU
CRU
CRU
Keyboard CRUs
Keyboard
US English
French Canadian
LA Spanish
Arabic
Belgium/French
Belgium/UK
Bulgarian
Czech
Danish
Dutch
French
German
Greek
Hebrew
Hungarian
Korean
Iceland
Italy
Norwegian
CRU No.
37L2551
37L2552
37L2553
37L2555
37L2556
37L2557
37L2558
37L2559
37L2560
37L2561
37L2562
37L2563
37L2564
37L2565
37L2566
02K0901
37L2567
37L2568
37L2569
Chapter 7. Parts listing, xSeries 255
163
Keyboard
Polish
Portuguese
Romanian
Russian
Serbian/Cyrillic
Slavic
Spanish
Swedish/Finn
Swiss, French/German
Turkish
Turkish
UK English
Yugosl/Lat
US English-EMEA
Chinese/US
Thailand
French Canadian
CRU No.
37L2570
37L2571
37L2572
37L2573
37L2574
37L2575
37L2576
37L2577
37L2578
37L2579
37L2580
37L2581
37L2582
37L2583
37L2585
37L2587
37L0913
Power cord CRUs
For your safety, IBM provides a power cord with a grounded attachment plug to use
with this IBM product. To avoid electrical shock, always use the power cord and
plug with a properly grounded outlet.
IBM power cords used in the United States and Canada are listed by Underwriter’s
Laboratories (UL) and certified by the Canadian Standards Association (CSA).
For units intended to be operated at 115 volts: Use a UL-listed and CSA-certified
cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord,
a maximum of 15 feet in length and a parallel blade, grounding-type attachment
plug rated 15 amperes, 125 volts.
For units intended to be operated at 230 volts (U.S. use): Use a UL-listed and
CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT,
three-conductor cord, a maximum of 15 feet in length and a tandem blade,
grounding-type attachment plug rated 15 amperes, 250 volts.
For units intended to be operated at 230 volts (outside the U.S.): Use a cord set
with a grounding-type attachment plug. The cord set should have the appropriate
safety approvals for the country in which the equipment will be installed.
IBM power cords for a specific country or region are usually available only in that
country or region.
164
IBM power cord part
number
Used in these countries and regions
13F9940
Argentina, Australia, China (PRC), New Zealand, Papua New
Guinea, Paraguay, Uruguay, Western Samoa
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
IBM power cord part
number
Used in these countries and regions
13F9979
Afghanistan, Algeria, Andorra, Angola, Austria, Belgium, Benin,
Bulgaria, Burkina Faso, Burundi, Cameroon, Central African Rep.,
Chad, China (Macau S.A.R.), Czech Republic, Egypt, Finland,
France, French Guiana, Germany, Greece, Guinea, Hungary,
Iceland, Indonesia, Iran, Ivory Coast, Jordan, Lebanon,
Luxembourg, Malagasy, Mali, Martinique, Mauritania, Mauritius,
Monaco, Morocco, Mozambique, Netherlands, New Caledonia,
Niger, Norway, Poland, Portugal, Romania, Senegal, Slovakia,
Spain, Sudan, Sweden, Syria, Togo, Tunisia, Turkey, former
USSR, Vietnam, former Yugoslavia, Zaire, Zimbabwe
13F9997
Denmark
14F0015
Bangladesh, Burma, Pakistan, South Africa, Sri Lanka
14F0033
Antigua, Bahrain, Brunei, Channel Islands, China (Hong Kong
S.A.R.), Cyprus, Dubai, Fiji, Ghana, India, Iraq, Ireland, Kenya,
Kuwait, Malawi, Malaysia, Malta, Nepal, Nigeria, Polynesia, Qatar,
Sierra Leone, Singapore, Tanzania, Uganda, United Kingdom,
Yemen, Zambia
14F0051
Liechtenstein, Switzerland
14F0069
Chile, Ethiopia, Italy, Libya, Somalia
14F0087
Israel
1838574
Thailand
6952301
Bahamas, Barbados, Bermuda, Bolivia, Brazil, Canada, Cayman
Islands, Colombia, Costa Rica, Dominican Republic, Ecuador, El
Salvador, Guatemala, Guyana, Haiti, Honduras, Jamaica, Japan,
Korea (South), Liberia, Mexico, Netherlands Antilles, Nicaragua,
Panama, Peru, Philippines, Saudi Arabia, Suriname, Taiwan,
Trinidad (West Indies), United States of America, Venezuela
Chapter 7. Parts listing, xSeries 255
165
166
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Appendix A. Getting help and technical assistance
If you need help, service, or technical assistance or just want more information
about IBM products, you will find a wide variety of sources available from IBM to
assist you. This appendix contains information about where to go for additional
information about IBM and IBM products, what to do if you experience a problem
with your xSeries or IntelliStation® system, and whom to call for service, if it is
necessary.
Before you call
Before you call, make sure that you have taken these steps to try to solve the
problem yourself:
v Check all cables to make sure that they are connected.
v Check the power switches to make sure that the system is turned on.
v Use the troubleshooting information in your system documentation, and use the
diagnostic tools that come with your system.
v Go to the IBM Support Web site at http://www.ibm.com/pc/support/ to check for
technical information, hints, tips, and new device drivers.
v Use an IBM discussion forum on the IBM Web site to ask questions.
You can solve many problems without outside assistance by following the
troubleshooting procedures that IBM provides in the online help or in the
publications that are provided with your system and software. The information that
comes with your system also describes the diagnostic tests that you can perform.
Most xSeries and IntelliStation systems, operating systems, and programs come
with information that contains troubleshooting procedures and explanations of error
messages and error codes. If you suspect a software problem, see the information
for the operating system or program.
Using the documentation
Information about your IBM xSeries or IntelliStation system and preinstalled
software, if any, is available in the documentation that comes with your system.
That documentation includes printed books, online books, README files, and help
files. See the troubleshooting information in your system documentation for
instructions for using the diagnostic programs. The troubleshooting information or
the diagnostic programs might tell you that you need additional or updated device
drivers or other software. IBM maintains pages on the World Wide Web where you
can get the latest technical information and download device drivers and updates.
To access these pages, go to http://www.ibm.com/pc/support/ and follow the
instructions. Also, you can order publications through the IBM Publications Ordering
System at
http://www.elink.ibmlink.ibm.com/public/applications/publications/cgibin/pbi.cgi.
Getting help and information from the World Wide Web
On the World Wide Web, the IBM Web site has up-to-date information about IBM
xSeries and IntelliStation products, services, and support. The address for IBM
xSeries information is http://www.ibm.com/eserver/xseries/. The address for IBM
IntelliStation information is http://www.ibm.com/pc/intellistation/.
© Copyright IBM Corp. 2002
167
You can find service information for your IBM products, including supported options,
at http://www.ibm.com/pc/support/. If you click Profile from the support page, you
can create a customized support page. The support page has many sources of
information and ways for you to solve problems, including:
v Diagnosing problems, using the IBM Online Assistant
v Downloading the latest device drivers and updates for your products
v Viewing Frequently Asked Questions (FAQ)
v Viewing hints and tips to help you solve problems
v Participating in IBM discussion forums
v Setting up e-mail notification of technical updates about your products
Software service and support
Through IBM Support Line, you can get telephone assistance, for a fee, with usage,
configuration, and software problems with xSeries servers, IntelliStation
workstations, and appliances. For information about which products are supported
by Support Line in your country or region, go to
http://www.ibm.com/services/sl/products/.
For more information about Support Line and other IBM services, go to
http://www.ibm.com/services/, or go to http://www.ibm.com/planetwide/ for support
telephone numbers.
Hardware service and support
You can receive hardware service through IBM Integrated Technology Services or
through your IBM reseller, if your reseller is authorized by IBM to provide warranty
service. Go to http://www.ibm.com/planetwide/ for support telephone numbers.
In the U.S. and Canada, hardware service and support is available 24 hours a day,
7 days a week. In the U.K., these services are available Monday through Friday,
from 9 a.m. to 6 p.m.
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Appendix B. Related service information
Note: The service procedures are designed to help you isolate problems. They are
written with the assumption that you have model-specific training on all
computers, or that are familiar with the computers, functions, terminology,
and service information provided in this manual.
Safety information
The following section contains the safety information that you need to be familiar
with before servicing an IBM computer.
General safety
Follow these rules to ensure general safety:
v Observe good housekeeping in the area of the machines during and after
maintenance.
v When lifting any heavy object:
1. Ensure you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt to
lift.
4. Lift by standing or by pushing up with your leg muscles; this action removes
the strain from the muscles in your back. Do not attempt to lift any objects
that weigh more than 16 kg (35 lb) or objects that you think are too heavy for
you.
v Do not perform any action that causes hazards to the customer, or that makes
the equipment unsafe.
v Before you start the machine, ensure that other service representatives and the
customer’s personnel are not in a hazardous position.
v Place removed covers and other parts in a safe place, away from all personnel,
while you are servicing the machine.
v Keep your tool case away from walk areas so that other people will not trip over
it.
v Do not wear loose clothing that can be trapped in the moving parts of a machine.
Ensure that your sleeves are fastened or rolled up above your elbows. If your
hair is long, fasten it.
v Insert the ends of your necktie or scarf inside clothing or fasten it with a
nonconductive clip, approximately 8 centimeters (3 inches) from the end.
v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your
clothing.
Remember: Metal objects are good electrical conductors.
v Wear safety glasses when you are: hammering, drilling soldering, cutting wire,
attaching springs, using solvents, or working in any other conditions that might be
hazardous to your eyes.
v After service, reinstall all safety shields, guards, labels, and ground wires.
Replace any safety device that is worn or defective.
v Reinstall all covers correctly before returning the machine to the customer.
© Copyright IBM Corp. 2002
169
Electrical safety
CAUTION:
Electrical current from power, telephone, and communication cables can be
hazardous. To avoid personal injury or equipment damage, disconnect the
attached power cords, telecommunication systems, networks, and modems
before you open the server covers, unless instructed otherwise in the
installation and configuration procedures.
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have
handles covered with a soft material that does not insulate you when
working with live electrical currents.
Many customers have, near their equipment, rubber floor mats that
contain small conductive fibers to decrease electrostatic discharges. Do
not use this type of mat to protect yourself from electrical shock.
v Find the room emergency power-off (EPO) switch, disconnecting switch, or
electrical outlet. If an electrical accident occurs, you can then operate the switch
or unplug the power cord quickly.
v Do not work alone under hazardous conditions or near equipment that has
hazardous voltages.
v Disconnect all power before:
– Performing a mechanical inspection
– Working near power supplies
– Removing or installing main units
v Before you start to work on the machine, unplug the power cord. If you cannot
unplug it, ask the customer to power-off the wall box that supplies power to the
machine and to lock the wall box in the off position.
v If you need to work on a machine that has exposed electrical circuits, observe
the following precautions:
– Ensure that another person, familiar with the power-off controls, is near you.
Remember: Another person must be there to switch off the power, if
necessary.
– Use only one hand when working with powered-on electrical equipment; keep
the other hand in your pocket or behind your back.
Remember: There must be a complete circuit to cause electrical shock. By
observing the above rule, you may prevent a current from passing through
your body.
– When using testers, set the controls correctly and use the approved probe
leads and accessories for that tester.
– Stand on suitable rubber mats (obtained locally, if necessary) to insulate you
from grounds such as metal floor strips and machine frames.
Observe the special safety precautions when you work with very high voltages;
these instructions are in the safety sections of maintenance information. Use
extreme care when measuring high voltages.
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v Regularly inspect and maintain your electrical hand tools for safe operational
condition.
v Do not use worn or broken tools and testers.
v Never assume that power has been disconnected from a circuit. First, check that
it has been powered-off.
v Always look carefully for possible hazards in your work area. Examples of these
hazards are moist floors, nongrounded power extension cables, power surges,
and missing safety grounds.
v Do not touch live electrical circuits with the reflective surface of a plastic dental
mirror. The surface is conductive; such touching can cause personal injury and
machine damage.
v Do not service the following parts with the power on when they are removed from
their normal operating places in a machine:
– Power supply units
– Pumps
– Blowers and fans
– Motor generators
and similar units. (This practice ensures correct grounding of the units.)
v If an electrical accident occurs:
– Use caution; do not become a victim yourself.
– Switch off power.
– Send another person to get medical aid.
Safety inspection guide
The intent of this inspection guide is to assist you in identifying potentially unsafe
conditions on these products. Each machine, as it was designed and built, had
required safety items installed to protect users and service personnel from injury.
This guide addresses only those items. However, good judgment should be used to
identify potential safety hazards due to attachment of non-IBM features or options
not covered by this inspection guide.
If any unsafe conditions are present, you must determine how serious the apparent
hazard could be and whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present:
v Electrical hazards, especially primary power (primary voltage on the frame can
cause serious or fatal electrical shock).
v Explosive hazards, such as a damaged CRT face or bulging capacitor
v Mechanical hazards, such as loose or missing hardware
The guide consists of a series of steps presented in a checklist. Begin the checks
with the power off, and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or sharp edges).
2. Turn off the computer. Disconnect the power cord.
3. Check the power cord for:
Appendix B. Related service information
171
a. A third-wire ground connector in good condition. Use a meter to measure
third-wire ground continuity for 0.1 ohm or less between the external ground
pin and frame ground.
b. The power cord should be the appropriate type as specified in the parts
listings.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use good judgment as to the safety
of any non-IBM alterations.
6. Check inside the unit for any obvious unsafe conditions, such as metal filings,
contamination, water or other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
8. Check that the power-supply cover fasteners (screws or rivets) have not been
removed or tampered with.
Handling electrostatic discharge-sensitive devices
Any computer part containing transistors or integrated circuits (ICs) should be
considered sensitive to electrostatic discharge (ESD). ESD damage can occur when
there is a difference in charge between objects. Protect against ESD damage by
equalizing the charge so that the server, the part, the work mat, and the person
handling the part are all at the same charge.
Notes:
1. Use product-specific ESD procedures when they exceed the requirements noted
here.
2. Make sure that the ESD-protective devices you use have been certified (ISO
9000) as fully effective.
When handling ESD-sensitive parts:
v Keep the parts in protective packages until they are inserted into the product.
v Avoid contact with other people.
v Wear a grounded wrist strap against your skin to eliminate static on your body.
v Prevent the part from touching your clothing. Most clothing is insulative and
retains a charge even when you are wearing a wrist strap.
v Use the black side of a grounded work mat to provide a static-free work surface.
The mat is especially useful when handling ESD-sensitive devices.
v Select a grounding system, such as those in the following list, to provide
protection that meets the specific service requirement.
Note: The use of a grounding system is desirable but not required to protect
against ESD damage.
– Attach the ESD ground clip to any frame ground, ground braid, or green-wire
ground.
– Use an ESD common ground or reference point when working on a
double-insulated or battery-operated system. You can use coax or
connector-outside shells on these systems.
– Use the round ground-prong of the ac plug on ac-operated computers.
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Grounding requirements
Electrical grounding of the computer is required for operator safety and correct
system function. Proper grounding of the electrical outlet can be verified by a
certified electrician.
Safety notices (multi-lingual translations)
The caution and danger safety notices in this section are provided in the following
languages:
v English
v Brazilian/Portuguese
v Chinese
v French
v German
v Italian
v Korean
v Spanish
Important: All caution and danger statements in this IBM documentation begin with
a number. This number is used to cross reference an English caution or
danger statement with translated versions of the caution or danger
statement in this section.
For example, if a caution statement begins with a number 1,
translations for that caution statement appear in this section under
statement 1.
Be sure to read all caution and danger statements before performing
any of the instructions.
v Statement 1
DANGER
Electrical current from power, telephone and communication cables is hazardous.
To avoid a shock hazard:
v Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
v Connect all power cords to a properly wired and grounded electrical outlet.
v Connect to properly wired outlets any equipment that will be attached to
this product.
v When possible, use one hand only to connect or disconnect signal cables.
v Never turn on any equipment when there is evidence of fire, water, or
structural damage.
v Disconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
Appendix B. Related service information
173
v Connect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached devices.
To Connect
To Disconnect
1. Turn everything OFF.
1. Turn everything OFF.
2. First, attach all cables to devices.
2. First, remove power cords from outlet.
3. Attach signal cables to connectors.
3. Remove signal cables from connectors.
4. Attach power cords to outlet.
4. Remove all cables from devices.
5. Turn device ON.
v Statement 2
CAUTION:
When replacing the lithium battery, use only IBM Part Number 33F8354 or an
equivalent type battery recommended by the manufacturer. If your system has
a module containing a lithium battery, replace it only with the same module
type made by the same manufacturer. The battery contains lithium and can
explode if not properly used, handled, or disposed of.
Do not:
v Throw or immerse into water
v Heat to more than 100°C (212°F)
v Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
v Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic
devices, or transmitters) are installed, note the following:
v Do not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
v Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
DANGER: Some laser products contain an embedded Class 3A or Class 3B
laser diode. Note the following:
Laser radiation when open. Do not stare into the beam, do not view
directly with optical instruments, and avoid direct exposure to the
beam.
v Statement 4
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≥18 kg (37 lbs)
≥32 kg (70.5 lbs)
≥55 kg (121.2 lbs)
CAUTION:
Use safe practices when lifting.
v Statement 5
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current
from the device, ensure that all power cords are disconnected from the power
source.
2
1
v Statement 10
CAUTION:
Do not place any object weighing more than 82 kg (180 lbs.) on top of
rack-mounted devices.
Appendix B. Related service information
175
Importante:
Todas as instruções de cuidado e perigo da IBM documentation começam com um
número. Este número é utilizado para fazer referência cruzada de uma instrução de
cuidado ou perigo no idioma inglês com as versões traduzidas das instruções de
cuidado ou perigo encontradas nesta seção.
Por exemplo, se uma instrução de cuidado é iniciada com o número 1, as
traduções para aquela instrução de cuidado aparecem nesta seção sob a instrução
1.
Certifique-se de ler todas as instruções de cuidado e perigo antes de executar
qualquer operação.
Instrução 1
PERIGO
A corrente elétrica proveniente de cabos de alimentação, de telefone e de
comunicações é perigosa.
Para evitar risco de choque:
v Não conecte ou desconecte cabos e não realize instalação, manutenção ou
reconfiguração deste produto durante uma tempestade com raios.
v Conecte todos os cabos de alimentação a tomadas elétricas corretamente
instaladas e aterradas.
v Conecte todos os equipamentos ao qual esse produto será conectado a tomadas
corretamente instaladas.
v Sempre que possível, utilize apenas uma das mãos para conectar ou
desconectar cabos de sinal.
v Nunca ligue qualquer equipamento quando existir evidência de danos por fogo,
água ou na estrutura.
v Desconecte cabos de alimentação, sistemas de telecomunicação, redes e
modems antes de abrir as tampas dos dispositivos, a menos que especificado
de maneira diferente nos procedimentos de instalação e configuração.
v Conecte e desconecte cabos conforme descrito na seguinte tabela, ao instalar
ou movimentar este produto ou os dispositivos conectados, ou ao abrir suas
tampas.
Para Conectar:
Para Desconectar:
1. DESLIGUE Tudo.
1. DESLIGUE Tudo.
2. Primeiramente, conecte todos os cabos
aos dispositivos.
2. Primeiramente, remova os cabos de
alimentação das tomadas.
3. Conecte os cabos de sinal aos
conectores.
3. Remova os cabos de sinal dos
conectores.
4. Conecte os cabos de alimentação às
tomadas.
4. Remova todos os cabos dos dispositivos.
5. LIGUE os dispositivos.
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Instrução 2
CUIDADO:
Ao substituir a bateria de lítio, utilize apenas uma bateria IBM, Número de Peça
33F8354 ou uma bateria de tipo equivalente, recomendada pelo fabricante. Se o
seu sistema possui um móídulo com uma bateria de lítio, substitua-o apenas pelo
mesmo tipo de mídulo, do mesmo fabricante. A bateria contém lítio e pode explodir
se não for utilizada, manuseada e descartada de maneira correta.
Não:
v Jogue ou coloque na água
v Aqueça a mais de 100C (212F)
v Conserte nem desmonte
Para descartar a bateria, entre em contato com a área de atendimento a clientes
IBM, pelo telefone (011) 889-8986, para obter informações sobre como enviar a
bateria pelo correio para a IBM.
Instrução 3
PRECAUCIÓN:
Quando produtos a laser (unidades de CD-ROM, unidades de DVD, dispositivos de
fibra ítica, transmissores, etc.) estiverem instalados, observe o seguinte:
v Não remova as tampas. A remoção das tampas de um produto a laser pode
resultar em exposição prejudicial à radiação de laser. Nenhuma peça localizada
no interior do dispositivo pode ser consertada.
v A utilização de controles ou ajustes ou a execução de procedimentos diferentes
dos especificados aqui pode resultar em exposição prejudicial à radiação.
PERIGO
Alguns produtos a laser contêm um diodo laser da Classe 3A ou Classe 3B
embutido. Observe o seguinte:
Radiação de laser quando aberto. Não olhe diretamente para o raio a olho nu ou
com instrumentos íticos, e evite exposição direta ao raio.
Instrução 4
Appendix B. Related service information
177
≥18 kg (37 lbs)
≥32 kg (70.5 lbs)
≥55 kg (121.2 lbs)
CUIDADO:
Ao levantar a máquina, faça-o com segurança.
Instrução 5
CUIDADO:
Os botões Liga/Desliga localizados no dispositivo e na fonte de alimentação não
desligam a corrente elétrica fornecida ao dispositivo. O dispositivo também pode ter
mais de um cabo de alimentação. Para remover toda a corrente elétrica do
dispositivo, assegure que todos os cabos de alimentação estejam desconectados
da fonte de energia elétrica.
2
1
CUIDADO:
Instrução 10
CUIDADO:
Não coloque nenhum objeto com peso superior a 82 kg (180 lbs.) sobre
dispositivos montados em rack.
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Appendix B. Related service information
179
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Appendix B. Related service information
181
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Appendix B. Related service information
183
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Appendix B. Related service information
185
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Important:
Toutes les consignes Attention et Danger indiquées dans la bibliothèque IBM
documentation sont précédées d’un numéro. Ce dernier permet de mettre en
correspondance la consigne en anglais avec ses versions traduites dans la
présente section.
Par exemple, si une consigne de type Attention est précédée du chiffre 1, ses
traductions sont également précédées du chiffre 1 dans la présente section.
Prenez connaissance de toutes les consignes de type Attention et Danger avant de
procéder aux opérations décrites par les instructions.
Notice n° 1
DANGER
Le courant électrique passant dans les câbles de communication, ou les cordons
téléphoniques et d’alimentation peut être dangereux.
Pour éviter tout risque de choc électrique:
v Ne manipulez aucun câble et n’effectuez aucune opération d’installation,
d’entretien ou de reconfiguration de ce produit au cours d’un orage.
v Branchez tous les cordons d’alimentation sur un socle de prise de courant
correctement câblé et mis à la terre.
v Branchez sur des socles de prise de courant correctement câblés tout
équipement connecté à ce produit.
v Lorsque cela est possible, n’utilisez qu’une seule main pour connecter ou
déconnecter les câbles d’interface.
v Ne mettez jamais un équipement sous tension en cas d’incendie ou d’inondation,
ou en présence de dommages matériels.
v Avant de retirer les carters de l’unité, mettez celle-ci hors tension et déconnectez
ses cordons d’alimentation, ainsi que les câbles qui la relient aux réseaux, aux
systèmes de télécommunication et aux modems (sauf instruction contraire
mentionnée dans les procédures d’installation et de configuration).
v Lorsque vous installez ou que vous déplacez le présent produit ou des
périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous
pour connecter et déconnecter les différents cordons.
Connexion
Déconnexion
1. Mettez les unités hors tension.
1. Mettez les unités hors tension.
2. Commencez par brancher tous les
cordons sur les unités.
2. Débranchez les cordons d’alimentation
des prises.
3. Branchez les câbles d’interface sur des
connecteurs.
3. Débranchez les câbles d’interface des
connecteurs.
4. Branchez les cordons d’alimentation sur
des prises.
4. Débranchez tous les câbles des unités.
5. Mettez les unités sous tension.
Appendix B. Related service information
187
Notice n° 2
ATTENTION:
Remplacez la pile au lithium usagée par une pile de référence identique
exclusivement - voir la référence IBM - ou par une pile équivalente
recommandée par le fabricant. Si votre système est doté d’un module
contenant une pile au lithium, vous devez le remplacer uniquement par un
module identique, produit par le même fabricant. La pile contient du lithium et
présente donc un risque d’explosion en cas de mauvaise manipulation ou
utilisation.
v Ne la jetez pas à l’eau.
v Ne l’exposez pas à une température supérieure à 100 °C.
v Ne cherchez pas à la réparer ou à la démonter.
Pour la mise au rebut, reportez-vous à la réglementation en vigueur.
Notice n° 3
ATTENTION:
Si des produits laser sont installés (tels que des unités de CD-ROM ou de
DVD, des périphériques contenant des fibres optiques ou des
émetteurs-récepteurs), prenez connaissance des informations suivantes:
v N’ouvrez pas ces produits pour éviter une exposition directe au rayon
laser. Vous ne pouvez effectuer aucune opération de maintenance à
l’intérieur.
v Pour éviter tout risque d’exposition au rayon laser, respectez les consignes
de réglage et d’utilisation des commandes, ainsi que les procédures
décrites dans le présent document.
DANGER
Certains produits laser contiennent une diode laser de classe 3A ou 3B.
Prenez connaissance des informations suivantes:
Rayonnement laser lorsque le carter est ouvert. évitez de regarder fixement le
faisceau ou de l’observer à l’aide d’instruments optiques. évitez une
exposition directe au rayon.
Notice n° 4
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
≥18 kg (37 lbs)
≥32 kg (70.5 lbs)
≥55 kg (121.2 lbs)
ATTENTION:
Faites-vous aider pour soulever ce produit.
Notice n° 5
ATTENTION:
Le bouton de mise sous tension/hors tension de l’unité et l’interrupteur
d’alimentation du bloc d’alimentation ne coupent pas l’arrivée de courant
électrique à l’intérieur de la machine. Il se peut que votre unité dispose de
plusieurs cordons d’alimentation. Pour isoler totalement l’unité du réseau
électrique, débranchez tous les cordons d’alimentation des socles de prise de
courant.
2
1
Notice n° 10
ATTENTION:
Ne posez pas d’objet dont le poids dépasse 82 kg sur les unités montées en
armoire.
Appendix B. Related service information
189
Wichtig:
Alle Sicherheitshinweise in dieser IBM documentation beginnen mit einer Nummer.
Diese Nummer verweist auf einen englischen Sicherheitshinweis mit den
übersetzten Versionen dieses Hinweises in diesem Abschnitt.
Wenn z. B. ein Sicherheitshinweis mit der Nummer 1 beginnt, so erscheint die
übersetzung für diesen Sicherheitshinweis in diesem Abschnitt unter dem Hinweis
1.
Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.
Hinweis 1
VORSICHT
Elektrische Spannungen von Netz-, Telefon- und Datenübertragungsleitungen sind
gefährlich.
Aus Sicherheitsgründen:
v Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine
Installations-, Wartungs- oder Rekonfigurationsarbeiten durchführen.
v Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem
Schutzkontakt anschließen.
v Alle angeschlossenen Geräte ebenfalls an Schutzkontaktsteckdosen mit
ordnungsgemäß geerdetem Schutzkontakt anschließen.
v Signalkabel möglichst einhändig anschließen oder lösen.
v Keine Geräte einschalten, wenn die Gefahr einer Beschädigung durch Feuer,
Wasser oder andere Einflüsse besteht.
v Die Verbindung zu den angeschlossenen Netzkabeln,
Telekommunikationssystemen, Netzwerken und Modems ist vor dem öffnen des
Gehäuses zu unterbrechen. Es sei denn, dies ist in den zugehörigen
Installations- und Konfigurationsprozeduren anders angegeben.
v Nur nach den nachfolgend aufgeführten Anweisungen arbeiten, die für
Installation, Transport oder öffnen von Gehäusen von Personal Computern oder
angeschlossenen Einheiten gelten.
Kabel anschlieβen:
Kabel lösen:
1. Alle Geräte ausschalten und
Netzstecker ziehen.
1. Alle Geräte ausschalten.
2. Zuerst alle Kabel an Einheiten
anschließen.
3. Signalkabel von Anschlußbuchsen lösen.
3. Signalkabel an Anschlußbuchsen
anschließen.
2. Zuerst Netzstecker von Steckdose lösen.
4. Alle Kabel von Einheiten lösen.
4. Netzstecker an Steckdose anschließen.
5. Gerät einschalten.
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Hinweis 2
ACHTUNG:
Eine verbrauchte Batterie nur durch eine Batterie mit der IBM Teilenummer
33F8354 oder durch eine vom Hersteller empfohlene Batterie ersetzen. Wenn Ihr
System ein Modul mit einer Lithium-Batterie enthält, ersetzen Sie es immer mit dem
selben Modultyp vom selben Hersteller. Die Batterie enthält Lithium und kann bei
unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren.
Die Batterie nicht:
v mit Wasser in Berührung bringen.
v über 100 C erhitzen.
v reparieren oder zerlegen.
Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten.
Hinweis 3
ACHTUNG:
Wenn ein Laserprodukt (z. B. CD-ROM-Laufwerke, DVD-Laufwerke, Einheiten mit
Glasfaserkabeln oder Transmitter) installiert ist, beachten Sie folgendes.
v Das Entfernen der Abdeckungen des CD-ROM-Laufwerks kann zu gefährlicher
Laserstrahlung führen. Es befinden sich keine Teile innerhalb des
CD-ROM-Laufwerks, die vom Benutzer gewartet werden müssen. Die
Verkleidung des CD-ROM-Laufwerks nicht öffnen.
v Steuer- und Einstellelemente sowie Verfahren nur entsprechend den
Anweisungen im vorliegenden Handbuch einsetzen. Andernfalls kann gefährliche
Laserstrahlung auftreten.
VORSICHT
Manche CD-ROM-Laufwerke enthalten eine eingebaute Laserdiode der Klasse 3A
oder 3B. Die nachfolgend aufgeführten Punkte beachten.
Laserstrahlung bei geöffneter Tür. Niemals direkt in den Laserstrahl sehen, nicht
direkt mit optischen Instrumenten betrachten und den Strahlungsbereich meiden.
Hinweis 4
Appendix B. Related service information
191
≥18 kg
≥32 kg
≥55 kg
ACHTUNG:
Beim Anheben der Maschine die vorgeschriebenen Sicherheitsbestimmungen
beachten.
Hinweis 5
ACHTUNG:
Mit dem Betriebsspannungsschalter an der Vorderseite des Servers und dem
Betriebsspannungsschalter am Netzteil wird die Stromversorgung für den Server
nicht unterbrochen. Der Server könnte auch mehr als ein Netzkabel aufweisen. Um
die gesamte Stromversorgung des Servers auszuschalten, muß sichergestellt
werden, daß alle Netzkabel aus den Netzsteckdosen herausgezogen wurden.
2
1
Hinweis 10
ACHTUNG:
Keine Gegenstände, die mehr als 82 kg wiegen, auf Rack-Einheiten ablegen.
192
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Importante:
Tutti gli avvisi di attenzione e di pericolo riportati nella pubblicazione IBM
documentation iniziano con un numero. Questo numero viene utilizzato per
confrontare avvisi di attenzione o di pericolo in inglese con le versioni tradotte
riportate in questa sezione.
Ad esempio, se un avviso di attenzione inizia con il numero 1, la relativa versione
tradotta è presente in questa sezione con la stessa numerazione.
Prima di eseguire una qualsiasi istruzione, accertarsi di leggere tutti gli avvisi di
attenzione e di pericolo.
Avviso 1
PERICOLO
La corrente elettrica circolante nei cavi di alimentazione, del telefono e di segnale è
pericolosa.
Per evitare il pericolo di scosse elettriche:
v Non collegare o scollegare i cavi, non effettuare l’installazione, la manutenzione
o la riconfigurazione di questo prodotto durante i temporali.
v Collegare tutti i cavi di alimentazione ad una presa elettrica correttamente
cablata e munita di terra di sicurezza.
v Collegare qualsiasi apparecchiatura collegata a questo prodotto ad una presa
elettrica correttamente cablata e munita di terra di sicurezza.
v Quando possibile, collegare o scollegare i cavi di segnale con una sola mano.
v Non accendere qualsiasi apparecchiatura in presenza di fuoco, acqua o se sono
presenti danni all’apparecchiatura stessa.
v Scollegare i cavi di alimentazione, i sistemi di telecomunicazioni, le reti e i
modem prima di aprire i coperchi delle unità, se non diversamente indicato nelle
procedure di installazione e configurazione.
v Collegare e scollegare i cavi come descritto nella seguente tabella quando si
effettuano l’installazione, la rimozione o l’apertura dei coperchi di questo prodotto
o delle unità collegate.
Per collegare:
Per scollegare:
1. SPEGNERE tutti i dispositivi.
1. SPEGNERE tutti i dispositivi.
2. Collegare prima tutti i cavi alle unità.
2. Rimuovere prima i cavi di alimentazione
dalle prese elettriche.
3. Collegare i cavi di segnale ai connettori.
4. Collegare i cavi di alimentazione alle
prese elettriche.
3. Rimuovere i cavi di segnale dai connettori.
4. Rimuovere tutti i cavi dalle unità.
5. ACCENDERE le unità.
Appendix B. Related service information
193
Avviso 2
ATTENZIONE:
Quando si sostituisce la batteria al litio, utilizzare solo una batteria IBM con numero
parte 33F8354 o batterie dello stesso tipo o di tipo equivalente consigliate dal
produttore. Se il sistema di cui si dispone è provvisto di un modulo contenente una
batteria al litio, sostituire tale batteria solo con un tipo di modulo uguale a quello
fornito dal produttore. La batteria contiene litio e può esplodere se utilizzata,
maneggiata o smaltita impropriamente.
Evitare di:
v Gettarla o immergerla in acqua
v Riscaldarla ad una temperatura superiore ai 100C
v Cercare di ripararla o smontarla
Smaltire secondo la normativa in vigore (D.Lgs 22 del 5/2/9) e successive
disposizioni nazionali e locali.
Avviso 3
ATTENZIONE:
Quando si installano prodotti laser come, ad esempio, le unità DVD, CD-ROM, a
fibre ottiche o trasmettitori, prestare attenzione a quanto segue:
v Non rimuovere i coperchi. L’apertura dei coperchi di prodotti laser può
determinare l’esposizione a radiazioni laser pericolose. All’interno delle unità non
vi sono parti su cui effettuare l’assistenza tecnica.
v L’utilizzo di controlli, regolazioni o l’esecuzione di procedure non descritti nel
presente manuale possono provocare l’esposizione a radiazioni pericolose.
PERICOLO
Alcuni prodotti laser contengono all’interno un diodo laser di Classe 3A o Classe
3B. Prestare attenzione a quanto segue:
Aprendo l’unità vengono emesse radiazioni laser. Non fissare il fascio, non
guardarlo direttamente con strumenti ottici ed evitare l’esposizione diretta al fascio.
Avviso 4
194
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
≥18 kg
≥32 kg
≥55 kg
ATTENZIONE:
Durante il sollevamento della macchina seguire delle norme di sicurezza.
Avviso 5
ATTENZIONE:
Il pulsante del controllo dell’alimentazione situato sull’unità e l’interruttore di
alimentazione posto sull’alimentatore non disattiva la corrente elettrica fornita
all’unità. L’unità potrebbe disporre di più di un cavo di alimentazione. Per disattivare
la corrente elettrica dall’unità, accertarsi che tutti i cavi di alimentazione siano
scollegati dalla sorgente di alimentazione.
2
1
Avviso 10
ATTENZIONE:
Non poggiare oggetti che pesano più di 82 kg sulla parte superiore delle unità
montate in rack.
Appendix B. Related service information
195
196
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Appendix B. Related service information
197
198
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Importante:
Todas las declaraciones de precauciín de esta IBM documentation empiezan con
un número. Dicho número se emplea para establecer una referencia cruzada de
una declaraciín de precauciín o peligro en inglés con las versiones traducidas que
de dichas declaraciones pueden encontrarse en esta secciín.
Por ejemplo, si una declaraciín de peligro empieza con el número 1, las
traducciones de esta declaraciín de precauciín aparecen en esta secciín bajo
Declaraciín 1.
Lea atentamente todas las declaraciones de precauciín y peligro antes de llevar a
cabo cualquier operaciín.
Declaración 1
PELIGRO
La corriente eléctrica de los cables telefínicos, de alimentaciín y de comunicaciones
es perjudicial.
Para evitar una descarga eléctrica:
v No conecte ni desconecte ningún cable ni realice las operaciones de instalaciín,
mantenimiento o reconfiguraciín de este producto durante una tormenta.
v Conecte cada cable de alimentaciín a una toma de alimentaciín eléctrica con
conexiín a tierra y cableado correctos.
v Conecte a tomas de alimentaciín con un cableado correcto cualquier equipo que
vaya a estar conectado a este producto.
v Si es posible, utilice una sola mano cuando conecte o desconecte los cables de
sent.al.
v No encienda nunca un equipo cuando haya riesgos de incendio, de inundaciín o
de daños estructurales.
v Desconecte los cables de alimentaciín, sistemas de telecomunicaciones, redes y
mídems conectados antes de abrir las cubiertas del dispositivo a menos que se
indique lo contrario en los procedimientos de instalaciín y configuraciín.
v Conecte y desconecte los cables tal como se describe en la tabla siguiente
cuando desee realizar una operaciín de instalaciín, de traslado o de apertura de
las cubiertas para este producto o para los dispositivos conectados.
Para la conexin
Para la desconexiín
1. APÁGUELO todo.
1. APÁGUELO todo.
2. En primer lugar, conecte los cables a
los dispositivos.
2. En primer lugar, retire cada cable de
alimentaciín de la toma de alimentaciín.
3. Conecte los cables de señal a los
conectores.
3. Retire los cables de señal de los
conectores.
4. Conecte cada cable de alimentaciín a la 4. Retire los cables de los dispositivos.
toma de alimentaciín.
5. ENCIENDA el dispositivo.
Appendix B. Related service information
199
Declaración 2
PRECAUCIÓN:
Cuando desee sustituir la batería de litio, utilice únicamente el número de pieza
33F8354 de IBM o cualquier tipo de batería equivalente que recomiende el
fabricante. Si el sistema tiene un mídulo que contiene una batería de litio,
sustitúyalo únicamente por el mismo tipo de mídulo, que ha de estar creado por el
mismo fabricante. La batería contiene litio y puede explotar si el usuario no la
utiliza ni la maneja de forma adecuada o si no se desprende de la misma como
corresponde.
No realice las acciones siguientes:
v Arrojarla al agua o sumergirla
v Calentarla a una temperatura que supere los 100C (212F)
v Repararla o desmontarla
Despréndase de la batería siguiendo los requisitos que exija el reglamento o la
legislaciín local.
Declaración 3
PRECAUCIÓN:
Cuando instale productos láser (como, por ejemplo, CD-ROM, unidades DVD,
dispositivos de fibra íptica o transmisores), tenga en cuenta las advertencias
siguientes:
v No retire las cubiertas. Si retira las cubiertas del producto láser, puede quedar
expuesto a radiaciín láser perjudicial. Dentro del dispositivo no existe ninguna
pieza que requiera mantenimiento.
v El uso de controles o ajustes o la realizaciín de procedimientos que no sean los
que se han especificado aquí pueden dar como resultado una exposiciín
perjudicial a las radiaciones.
PELIGRO
Algunos productos láser contienen un diodo de láser incorporado de Clase 3A o de
Clase 3B. Tenga en cuenta la advertencia siguiente.
Cuando se abre, hay radiaciín láser. No mire fijamente el rayo ni lleve a cabo
ningún examen directamente con instrumentos ípticos; evite la exposiciín directa al
rayo.
200
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Declaración 4
≥18 kg
≥32 kg
≥55 kg
PRECAUCIÓN:
Tome medidas de seguridad al levantar el producto.
Declaración 5
PRECAUCIÓN:
El botín de control de alimentaciín del dispositivo y el interruptor de alimentaciín de
la fuente de alimentaciín no apagan la corriente eléctrica suministrada al
dispositivo. Es posible también que el dispositivo tenga más de un cable de
alimentaciín. Para eliminar la corriente eléctrica del dispositivo, asegúrese de
desconectar todos los cables de alimentaciín de la fuente de alimentaciín.
2
1
Declaración 10
PRECAUCIÓN:
No coloque ningún objeto que pese más de 82 kg (180 libras) encima de los
dispositivos montados en bastidor.
Appendix B. Related service information
201
202
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Appendix C. Notices
This publication was developed for products and services offered in the U.S.A.
IBM may not offer the products, services, or features discussed in this document in
other countries. Consult your local IBM representative for information about the
products and services currently available in your area. Any reference to an IBM
product, program, or service is not intended to state or imply that only that IBM
product, program, or service may be used. Any functionally equivalent product,
program, or service that does not infringe any IBM intellectual property right may be
used instead. However, it is the user’s responsibility to evaluate and verify the
operation of any non-IBM product, program, or service.
IBM may have patents or pending patent applications covering subject matter
described in this document. The furnishing of this document does not give you any
license to these patents. You can send license inquiries, in writing, to:
v IBM Director of Licensing
v IBM Corporation
v North Castle Drive
v Armonk, NY 10504-1785
v U.S.A.
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS
PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. Some states do not allow disclaimer of express or
implied warranties in certain transactions, therefore, this statement may not apply to
you.
This information could include technical inaccuracies or typographical errors.
Changes are periodically made to the information herein; these changes will be
incorporated in new editions of the publication. IBM may make improvements and/or
changes in the product(s) and/or the program(s) described in this publication at any
time without notice.
Any references in this publication to non-IBM Web sites are provided for
convenience only and do not in any manner serve as an endorsement of those
Web sites. The materials at those Web sites are not part of the materials for this
IBM product, and use of those Web sites is at your own risk.
IBM may use or distribute any of the information you supply in any way it believes
appropriate without incurring any obligation to you.
Edition notice
© COPYRIGHT INTERNATIONAL BUSINESS MACHINES CORPORATION, 2002.
All rights reserved.
Note to U.S. Government Users — Documentation related to restricted rights —
Use, duplication or disclosure is subject to restrictions set forth in GSA ADP
Schedule Contract with IBM Corp.
© Copyright IBM Corp. 2002
203
Trademarks
The following terms are trademarks of International Business Machines Corporation
in the United States, other countries, or both:
Active Memory
Active PCI
Active PCI-X
Alert on LAN
C2T Interconnect
Chipkill
EtherJet
e-business logo
HelpWare
IBM
IntelliStation
Light Path Diagnostics
NetBAY
NetView
OS/2 WARP
Predictive Failure Analysis
PS/2
ServeRAID
ServerGuide
ServerProven
TechConnect
Tivoli
Tivoli Enterprise
Update Connector
Wake on LAN
XA-32
XA-64
X-Architecture
XceL4
XpandOnDemand
xSeries
Lotus and Domino are trademarks of Lotus Development Corporation and/or IBM
Corporation in the United States, other countries, or both.
Intel, Celeron, MMX, LANDesk, Pentium, Pentium II Xeon, Pentium III Xeon, and
Xeon are trademarks of Intel Corporation in the United States, other countries, or
both.
Microsoft, Windows, and Windows NT are trademarks of Microsoft Corporation in
the United States, other countries, or both.
UNIX is a registered trademark of The Open Group in the United States and other
countries.
Java and all Java-based trademarks and logos are trademarks or registered
trademarks of Sun Microsystems, Inc. in the United States, other countries, or both.
Linux is a registered trademark of Linus Torvalds.
Other company, product, or service names may be the trademarks or service marks
of others.
Important notes
Processor speeds indicate the internal clock speed of the microprocessor; other
factors also affect application performance.
CD-ROM drive speeds list the variable read rate. Actual speeds vary and are often
less than the maximum possible.
When referring to processor storage, real and virtual storage, or channel volume,
KB stands for approximately 1000 bytes, MB stands for approximately 1000000
bytes, and GB stands for approximately 1000000000 bytes.
204
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
When referring to hard disk drive capacity or communications volume, MB stands
for 1 000 000 bytes, and GB stands for 1 000 000 000 bytes. Total user-accessible
capacity may vary depending on operating environments.
Maximum internal hard disk drive capacities assume the replacement of any
standard hard disk drives and population of all hard disk drive bays with the largest
currently supported drives available from IBM.
Maximum memory may require replacement of the standard memory with an
optional memory module.
IBM makes no representation or warranties regarding non-IBM products and
services that are ServerProven, including but not limited to the implied warranties of
merchantability and fitness for a particular purpose. These products are offered and
warranted solely by third parties.
Unless otherwise stated, IBM makes no representations or warranties with respect
to non-IBM products. Support (if any) for the non-IBM products is provided by the
third party, not IBM.
Some software may differ from its retail version (if available), and may not include
user manuals or all program functionality.
Electronic emission notices
Federal Communications Commission (FCC) statement
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause
harmful interference, in which case the user will be required to correct the
interference at his own expense.
Properly shielded and grounded cables and connectors must be used in order to
meet FCC emission limits. Properly shielded and grounded cables and connectors
must be used in order to meet FCC emission limits.IBM is not responsible for any
radio or television interference caused by using other than recommended cables
and connectors or by using other than recommended cables and connectors or by
unauthorized changes or modifications to this equipment. Unauthorized changes or
modifications could void the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Industry Canada Class A emission compliance statement
This Class A digital apparatus complies with Canadian ICES-003.
Avis de conformité à la réglementation d’Industrie Canada
Appendix C. Notices
205
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du
Canada.
Australia and New Zealand Class A statement
Attention: This is a Class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take adequate
measures.
United Kingdom telecommunications safety requirement
Notice to Customers
This apparatus is approved under approval number NS/G/1234/J/100003 for indirect
connection to public telecommunication systems in the United Kingdom.
European Union EMC Directive conformance statement
This product is in conformity with the protection requirements of EU Council
Directive 89/336/EEC on the approximation of the laws of the Member States
relating to electromagnetic compatibility. IBM cannot accept responsibility for any
failure to satisfy the protection requirements resulting from a nonrecommended
modification of the product, including the fitting of non-IBM option cards.
This product has been tested and found to comply with the limits for Class A
Information Technology Equipment according to CISPR 22/European Standard EN
55022. The limits for Class A equipment were derived for commercial and industrial
environments to provide reasonable protection against interference with licensed
communication equipment.
Attention: This is a Class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take adequate
measures.
Taiwan electrical emission statement
206
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Japanese Voluntary Control Council for Interference (VCCI) statement
Appendix C. Notices
207
208
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
򔻐򗗠򙳰
Part Number: 24P2936
(1P) P/N: 24P2936
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