Compaq | DS20E - AlphaStation - 1 GB RAM | Troubleshooting guide | Compaq DS20E - AlphaStation - 1 GB RAM Troubleshooting guide

AlphaServer DS20E
AlphaStation DS20E
Reference Guide
Order Number: ER–K8F6W–UA. B01
This manual is for anyone who manages, operates, or services the
Compaq AlphaServer DS20E or AlphaStation DS20E system. It
covers operation, firmware, initial troubleshooting, and component
installation.
Compaq Computer Corporation
Notice
The information in this publication is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS
OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES
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photocopied or reproduced in any form without prior written consent from Compaq Computer
Corporation.
© 1999 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
The software described in this guide is furnished under a license agreement or nondisclosure
agreement. The software may be used or copied only in accordance with the terms of the
agreement.
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Other product names mentioned herein may be trademarks and/or registered trademarks of their
respective companies.
DS20E Reference Guide
Second Revision (September 1999)
Part Number ER-K8F6W-UA. B01
Compaq Confidential – Need to Know Required
Writer: Jill Hackett Stevens / Bob Young Project: DS20E Reference Guide Comments:
Part Number: ER-K8F6W-UA. B01 File Name: a-frnt.doc Last Saved On: 10/4/99 2:40 PM
Contents
Contents
About This Guide
Intended Audience ................................................................................................... xiii
Text Conventions..................................................................................................... xiii
Symbols in Text ........................................................................................................xiv
Symbols on Equipment .............................................................................................xiv
Rack Stability.............................................................................................................xv
Getting Help...............................................................................................................xv
Compaq Technical Support ................................................................................xv
Compaq Website................................................................................................xvi
Compaq Authorized Reseller.............................................................................xvi
Chapter 1
System Overview
Introduction.............................................................................................................. 1-1
System Introduction ................................................................................................. 1-2
System Architecture.......................................................................................... 1-4
System Features ................................................................................................ 1-6
System Components ................................................................................................ 1-8
System Features Module........................................................................................ 1-10
SFM Switch Pack ........................................................................................... 1-12
SFM Status LEDs ........................................................................................... 1-13
System Fan Configuration .............................................................................. 1-14
N+1 Hot-Swap Power Supply Configuration ................................................. 1-14
Cover Interlock ............................................................................................... 1-14
Processor Modules................................................................................................. 1-15
Memory.................................................................................................................. 1-16
Peripheral Component Interconnect (PCI) Backplane ........................................... 1-17
Hard Disk Drive Storage........................................................................................ 1-18
Power Supplies ...................................................................................................... 1-19
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2-Way Combination Module.................................................................................. 1-20
Operator Control Panel ................................................................................... 1-21
Rear Panel .............................................................................................................. 1-24
Storage Device LEDs............................................................................................. 1-26
Combination Drive and Removable Bay................................................................ 1-28
User Interface......................................................................................................... 1-29
Console Terminal............................................................................................ 1-30
System Options ...................................................................................................... 1-31
Internal Options .............................................................................................. 1-31
External Options ............................................................................................. 1-32
Ordering Options ............................................................................................ 1-32
Chapter 2
Installing the Pedestal
Introduction.............................................................................................................. 2-1
Selecting a System Location .................................................................................... 2-2
Power Requirements ................................................................................................ 2-3
Shipment Box........................................................................................................... 2-4
Installing the System ................................................................................................ 2-5
Locking Your System .............................................................................................. 2-7
Chapter 3
Installing the Rackmount Server
Introduction....................................................................................................... 3-1
Shipment Box.................................................................................................... 3-2
Power Requirements ......................................................................................... 3-3
Marking the Installation Area in the Rack ........................................................ 3-4
Preparing the Rackmount System for the Compaq Rack .................................. 3-5
Installing the System......................................................................................... 3-7
Installing the Cable Management Bracket ........................................................ 3-9
Connecting the Cables .................................................................................... 3-10
Preparing the Rackmount System for the Rack............................................... 3-11
Preparing the Rack .......................................................................................... 3-18
Attaching Slides Brackets ............................................................................... 3-19
Stabilizing the Rack ........................................................................................ 3-20
Installing the System....................................................................................... 3-21
Installing the Interlock System........................................................................ 3-23
Installing the Cable Management Arm ........................................................... 3-25
Dressing the Cables......................................................................................... 3-26
Attaching the Front Bezel ............................................................................... 3-27
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Contents
Chapter 4
Booting and Installing an Operating System
Setting Boot Options for Tru64 UNIX or OpenVMS .............................................. 4-2
Booting Tru64 UNIX........................................................................................ 4-9
Starting a Tru64 UNIX Installation ................................................................ 4-13
Booting OpenVMS ......................................................................................... 4-15
Starting an OpenVMS Installation.................................................................. 4-19
Powering Off the System ....................................................................................... 4-20
Booting Linux ........................................................................................................ 4-21
Switching Between Operating Systems ................................................................. 4-23
Chapter 5
Reconfiguring the System
Introduction.............................................................................................................. 5-1
AlphaBIOS Console Configuration Options............................................................ 5-2
Memory Configuration ............................................................................................ 5-3
Network Configuration ............................................................................................ 5-5
ISA Options ............................................................................................................. 5-6
Verifying the System Configuration ........................................................................ 5-8
PCI Option Modules ................................................................................................ 5-9
Determining the SCSI Storage Device ID ............................................................. 5-10
Updating the Firmware .......................................................................................... 5-11
Updating Firmware Using the CD-ROM Drive.............................................. 5-11
Updating Firmware Using the Network.......................................................... 5-11
Chapter 6
Using the AlphaBIOS
Introduction.............................................................................................................. 6-1
Starting AlphaBIOS ................................................................................................. 6-2
Keyboard Conventions and Help ............................................................................. 6-4
Running AlphaBIOS from a Serial Terminal........................................................... 6-5
Upgrading AlphaBIOS (Updating Firmware)......................................................... 6-6
Utilities .................................................................................................................. 6-10
Chapter 7
Using the Storage Subsystems
Storage Subsystem Overview .................................................................................. 7-2
Comparing the Two Storage Subsystems ................................................................ 7-4
SCSI Bus Controller ................................................................................................ 7-5
Disk Drive Configuration ........................................................................................ 7-6
Backplane Drive Connectors ............................................................................ 7-6
Hot Swap ................................................................................................................. 7-9
Drive Carriers ........................................................................................................ 7-10
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Removing the Drive Carriers .......................................................................... 7-11
Drive Status LEDs .......................................................................................... 7-12
Installing Drive Carriers......................................................................................... 7-14
Configuring and Expanding Your Storage System ................................................ 7-16
Connecting a Single 4-Slot Subsystem ........................................................... 7-17
Connecting a Single 6-Slot Subsystem ........................................................... 7-18
Multimode SCSI Termination................................................................................ 7-19
Combination CD-ROM and Floppy Drive ............................................................ 7-19
Removing and Replacing a Combination Drive............................................. 7-20
Spare Removable Media Bay................................................................................. 7-21
Installing a Drive in the Spare Removable Media Bay ................................... 7-22
External SCSI Expansion ....................................................................................... 7-23
Chapter 8
Installing Components
Introduction.............................................................................................................. 8-1
Preparing to Install or Remove Components............................................................ 8-2
Before You Begin Removal .............................................................................. 8-3
To Remove the Side Panel on a Pedestal .......................................................... 8-3
To Replace the Side Panel on a Pedestal........................................................... 8-3
To Remove the Top Cover on a Rackmount..................................................... 8-4
To Replace the Top Cover on a Rackmount ..................................................... 8-5
Removing and Installing Processor Modules ........................................................... 8-6
Processor Configuration Guidelines.................................................................. 8-6
Installing a Processor Module........................................................................... 8-7
Removing and Installing Memory DIMMs............................................................ 8-10
To Remove a Memory DIMM ........................................................................ 8-12
To Install a Memory DIMM ........................................................................... 8-13
Removing and Installing Option Modules ............................................................. 8-14
Configuring an Option Module....................................................................... 8-14
Network Interface Module .............................................................................. 8-14
Installing and Removing an Option Module ................................................... 8-15
Installing Storage Devices...................................................................................... 8-18
Removable Bay SCSI Device ................................................................................ 8-18
Removing and Replacing Other Components ................................................. 8-19
Chapter 9
Troubleshooting
Introduction.............................................................................................................. 9-1
Troubleshooting Overview....................................................................................... 9-2
System Error Beep Codes ........................................................................................ 9-3
Power Problems ....................................................................................................... 9-4
Overheating Problems.............................................................................................. 9-5
Boot Problems.......................................................................................................... 9-6
PCI Bus Problems .................................................................................................... 9-8
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Contents
Monitor and Terminal Problems .............................................................................. 9-9
Keyboard and Mouse Problems ............................................................................. 9-10
Printer Problems .................................................................................................... 9-10
Chapter 10
Managing the System Remotely
RMC Overview...................................................................................................... 10-2
First-Time Setup .................................................................................................... 10-3
Dialing In and Invoking RMC ........................................................................ 10-4
Using RMC Locally or with a Modem on COM1 .......................................... 10-6
RMC Commands ................................................................................................... 10-7
Using the RMC Switch Pack ............................................................................... 10-14
Uses of the Switch Pack................................................................................ 10-15
Changing a Switch Setting............................................................................ 10-16
Resetting the RMC to Factory Defaults........................................................ 10-17
Troubleshooting Guide ........................................................................................ 10-18
Modem Dialog Details......................................................................................... 10-19
Chapter 11
Using the SRM Console
Invoking the SRM Console.................................................................................... 11-3
Command Summary .............................................................................................. 11-4
Displaying the System Configuration .................................................................... 11-9
Creating a Power-Up Script ................................................................................. 11-17
Booting the Operating System ............................................................................. 11-19
Configuring the System ....................................................................................... 11-21
Configuring DSSI ......................................................................................... 11-21
Configuring the ISA Bus .............................................................................. 11-24
Testing the System............................................................................................... 11-27
Making the System Secure................................................................................... 11-29
Stopping and Starting CPUs ................................................................................ 11-35
Updating Firmware .............................................................................................. 11-37
Forcing a System Crash Dump ............................................................................ 11-39
Using Environment Variables.............................................................................. 11-40
Depositing and Examining Data .......................................................................... 11-43
Reading a File ...................................................................................................... 11-47
Initializing the System ......................................................................................... 11-48
Finding Help ........................................................................................................ 11-50
Environment Variable Summary ......................................................................... 11-51
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Appendix A
Regulatory Compliance Notices
Federal Communications Commission Notice........................................................ A-1
Class A Equipment........................................................................................... A-2
Declaration of Conformity for Products Marked with FCC Logo, United
States Only ....................................................................................................... A-3
Modifications ................................................................................................... A-4
Cables............................................................................................................... A-4
Canadian Notice (Avis Canadien)........................................................................... A-4
Class A Equipment........................................................................................... A-4
European Union Notice........................................................................................... A-5
Safety Interlocks...................................................................................................... A-6
Australian Notice .................................................................................................... A-6
Laser Devices .......................................................................................................... A-6
Laser Safety Warnings ..................................................................................... A-7
Compliance with CDRH Regulations .............................................................. A-7
Compliance with International Regulations ..................................................... A-7
Laser Product Label ......................................................................................... A-7
Laser Information............................................................................................. A-8
Battery Replacement Notice.................................................................................... A-8
Mouse Compliance Statement................................................................................. A-9
Appendix B
Electrostatic Discharge Information
Grounding Methods ................................................................................................ B-2
Appendix C
Power Cord Requirements
General Requirements............................................................................................. C-1
Country-Specific Requirements .............................................................................. C-2
Appendix D
System Specifications
Physical Specifications............................................................................................ D-1
Environmental Specifications ................................................................................. D-3
Electrical Specifications.......................................................................................... D-4
Acoustical Data ....................................................................................................... D-6
Index
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Contents
List of Figures and Examples
Figure 1–1. Rackmount and Pedestal System ........................................................ 1-3
Figure 1–2. System Architecture ............................................................................ 1-4
Figure 1–3. Basic System Board............................................................................ 1-5
Figure 1-4. System Parts ......................................................................................... 1-8
Figure 1-5. System Features Module .................................................................... 1-10
Figure 1-6. SFM Switches .................................................................................... 1-12
Figure 1-7. SFM Status LEDs............................................................................... 1-13
Figure 1-8. 4-slot and 6-slot Storage Subsystems ................................................. 1-18
Figure 1-9. Power Supplies................................................................................... 1-19
Figure 1-10. Combination Module........................................................................ 1-20
Figure 1-11. Operator Control Panel (OCP) ......................................................... 1-21
Figure 1-12. Diagnostic LEDs .............................................................................. 1-23
Figure 1-13. Rear Panel ........................................................................................ 1-24
Figure 1-14. Hard Disk Drive Status LED Location............................................. 1-26
Figure 1-15. Removable Media Bay and Combination Drive............................... 1-28
Figure 1-16. Console Terminal Connections ........................................................ 1-30
Figure 2-1. System Dimensions and Service Area.................................................. 2-2
Figure 2-2. Power Supply Requirements ................................................................ 2-3
Figure 2-3. Unpacking a System............................................................................. 2-4
Figure 2-4. System Cable Connections................................................................... 2-5
Figure 2-5. System Lock and Key .......................................................................... 2-7
Figure 3-1. Rackmount Server Shipment Box ........................................................ 3-2
Figure 3-2. Power Supply Connections .................................................................. 3-3
Figure 3-3. Rackmount Installation Area................................................................ 3-4
Figure 3-4. Preparing the Rackmount System ........................................................ 3-5
Figure 3-5. Installing Chassis Slides (Rittal VR Rack)........................................... 3-6
Figure 3-6. Installing the System ............................................................................ 3-7
Figure 3-7. Installing the Cable Management Bracket ........................................... 3-9
Figure 3-8. Cable Loop at the Rear of the System ................................................ 3-10
Figure 3-9. M-series Rack Accessories.................................................................. 3-12
Figure 3-10. Attaching Mounting Brackets and Slides ......................................... 3-14
Figure 3-11 Attaching Slide Brackets to Slides. .................................................... 3-16
Figure 3-12. Attaching Slide Brackets ................................................................... 3-18
Figure 3-13. Activating the Stabilizer Foot........................................................... 3-20
Figure 3-14. Installing the System into the M-series Rack ................................... 3-21
Figure 3-15. Attaching the System to the Rack .................................................... 3-22
Figure 3-16. Installing the Interlock System.......................................................... 3-23
Figure 3-17. Installing the Cable Management Arm............................................. 3-25
Figure 3-18. Dressing the Cables........................................................................... 3-26
Figure 3-19. Attaching the Front Bezel................................................................. 3-27
Example 4-1 booting UNIX from a Local SCSI Disk. ........................................... 4-9
Example 4-2 RIS Boot .......................................................................................... 4-11
Example 4-3 Text-Based Installation Display ...................................................... 4-13
Example 4-4 Booting OpenVMS from the Local CD-ROM Drive. ..................... 4-15
Example 4-5 InfoServer Boot. .............................................................................. 4-17
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Example 4-6. OpenVMS Installation Menu........................................................... 4-19
Figure 5-1. System Configuration Display.............................................................. 5-2
Figure 5-2. Memory Banks ..................................................................................... 5-3
Figure 5-3. Network Connection............................................................................. 5-5
Figure 5-4. ISA Card............................................................................................... 5-6
Figure 5-5. ISA and PCI Option Slots..................................................................... 5-7
Figure 5-6. PCI Option Card ................................................................................... 5-9
Figure 6-1. AlphaBIOS Boot Screen....................................................................... 6-2
Figure 6-2. AlphaBIOS Setup Screen ..................................................................... 6-3
Figure 6-3. Second-Level Help Screen ................................................................... 6-4
Figure 6-4. Loading Dialogue Box.......................................................................... 6-6
Figure 6-5. Upgrading SRM Console Dialogue Box .............................................. 6-7
Figure 6-6. Upgrading Status Dialogue Box ........................................................... 6-8
Figure 6-7. Upgrade Complete Dialogue Box........................................................ 6-9
Figure 6-8. Run Maintenance Program Dialog Box.............................................. 6-10
Figure 7-1. 4-Slot and 6-Slot Storage Subsystems.................................................. 7-2
Figure 7-2. SCSI Cable Connections ....................................................................... 7-5
Figure 7-3. 4-Slot Backplane Drive Connectors ..................................................... 7-7
Figure 7-4. 6-Slot Backplane Drive Connectors ..................................................... 7-8
Figure 7-5. 1.0 and 1.6-Inch Drive Carriers .......................................................... 7-10
Figure 7-6. Removing a Drive from a Carrier....................................................... 7-11
Figure 7-7. Drive Status LED Location ................................................................ 7-12
Figure 7-8. Installing the Drive Carrier................................................................. 7-14
Figure 7-9. Removing the Drive Carrier ............................................................... 7-15
Figure 7-10. Connections for a Single 4-Slot Subsystem...................................... 7-17
Figure 7-11. Connections for a Single 6-Slot Subsystem...................................... 7-18
Figure 7-12. Combination Drive LED Locations.................................................. 7-19
Figure 7-13. Removing the Combination Drive.................................................... 7-20
Figure 7-14. Spare Removable Media Bay ........................................................... 7-21
Figure 7-15. Installing a Drive in the Removable Media Bay............................... 7-22
Figure 8-1. Removing and Replacing the Side Panel on a Pedestal System ........... 8-2
Figure 8-2. Attaching the Antistatic Wrist Strap..................................................... 8-4
Figure 8-3. Removing/Replacing the Top Cover on a Rackmount ......................... 8-5
Figure 8-4. Installing the Second Processor ............................................................ 8-8
Figure 8-5. Memory Connector Layout ................................................................ 8-10
Figure 8-6. Removing a Memory DIMM.............................................................. 8-12
Figure 8-7. Installing a Memory DIMM ............................................................... 8-13
Figure 8-8. System Board with Numbered Slots.................................................... 8-15
Figure 8-9. PCI Module Cable Connection........................................................... 8-16
Figure 8-10. Installing or Removing an Option Module ....................................... 8-17
Figure 8-11 Installing a Tape Drive In to the Removable Media Bay .................. 8-19
Figure 8-12. Wide SCSI Dual Connector Cable for Standard Bulkhead
Connector ......................................................................................................... 8-20
Figure 10-1. RMC Connections ............................................................................ 10-3
Example 10-2. Sample Remote Dial-In Dialog..................................................... 10-4
Example 10-3. Invoking and Leaving RMC Locally ............................................ 10-6
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Contents
Figure 10-4. Location of RMC Switch Pack and PIC on System Features
Module (SFM)................................................................................................ 10-14
Figure 10-5. RMC Switches .............................................................................. 10-15
Example 11-1. Show Config Command ............................................................. 11-11
Example 11-2. Show CPU Command................................................................. 11-11
Example 11-3. Show Device Command ............................................................. 11-12
Example 11-4. Show Memory Command........................................................... 11-14
Example 11-5. ShowPAL Command.................................................................. 11-14
Example 11-6. Show Power Command .............................................................. 11-15
Example 11-7. Show Version Command............................................................ 11-16
Example 11-8. Editing the nvram Script............................................................. 11-17
Example 11-9. Clearing the nvram Script........................................................... 11-17
Example 11-10. Boot Command......................................................................... 11-19
Example 11-11. Set Host Command................................................................... 11-22
Example 11-12. Isacfg Command....................................................................... 11-26
Example 11-13. Test Command.......................................................................... 11-27
Example 11-14. Set Password Command ........................................................... 11-29
Example 11-15. Set Secure Command................................................................ 11-30
Example 11-16. Login Command....................................................................... 11-32
Example 11-17. Clear Password Command........................................................ 11-33
Example 11-18. Halt and Continue Commands.................................................. 11-35
Example 11-19. Lfu Command........................................................................... 11-38
Example 11-20. Crash Command ....................................................................... 11-39
Example 11-21. Set envar and Show envar Commands ..................................... 11-40
Example 11-22. Creating a User-Defined Environment Variable....................... 11-42
Example 11-23. Deposit Command .................................................................... 11-43
Example 11-24. Examine Command .................................................................. 11-44
Example 11-25. More Command........................................................................ 11-47
Example 11-26. Initialize Command .................................................................. 11-49
Example 11-27. Help Command......................................................................... 11-50
List of Tables
Table 1-1 System Features....................................................................................... 1-6
Table 1-2 System Parts ............................................................................................ 1-9
Table 1-3 SFM Key Features ................................................................................. 1-11
Table 1-4 SFM Status LEDs .................................................................................. 1-13
Table 1-5 Typical SDRAM Configurations........................................................... 1-16
Table 1-6 Control Panel Functions ........................................................................ 1-22
Table 1-7 System Power LED Indicator ............................................................... 1-22
Table 1-8 Rear Panel.............................................................................................. 1-25
Table 1-9 LED Status............................................................................................. 1-27
Table 2-1 System Cable Connections ...................................................................... 2-6
Table 3-1 Compaq AlphaServer DS20E Documentation....................................... 3-11
Table 3-2 Accessories List..................................................................................... 3-13
Table 4-1 OpenVMS Boot Flag Settings ................................................................. 4-6
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Table 5-1 Memory Bank and Connector Numbering............................................... 5-4
Table 5-2 4 or 6-Slot SCSI ID Orientation............................................................. 5-10
Table 6-1 Serial Terminal Key Commands for AlphaBIOS .................................... 6-5
Table 7–1 Storage Subsystem Specification Overview............................................ 7-3
Table 7-2 Storage Backplane Specifications............................................................ 7-4
Table 7-3 4-Slot SCSI ID Orientation...................................................................... 7-7
Table 7-4 6-Slot SCSI ID Orienataion ..................................................................... 7-8
Table 7–5 LED Status ............................................................................................ 7-13
Table 8-1 Memory Bank Location ......................................................................... 8-11
Table 9-1 Determining Where to Look .................................................................... 9-2
Table 9-2 Error Beep Codes..................................................................................... 9-3
Table 9-3 Troubleshooting Power Problems............................................................ 9-4
Table 9-4 Troubleshooting Boot Problems .............................................................. 9-6
Table 9-5 Hot-Swap Drive Status LEDs .................................................................. 9-7
Table 9-6 Troubleshooting PCI Bus Problems......................................................... 9-8
Table 9-7 Troubleshooting Monitor and Terminal Problems................................... 9-9
Table 9-8 Troubleshooting Keyboard and Mouse Problems.................................. 9-10
Table 10-1 RMC Command Summary .................................................................. 10-7
Table 10-2 RMC Status Command Fields ........................................................... 10-13
Table 10-3 RMC Troubleshooting ....................................................................... 10-18
Table 11-1 Summary of SRM Console Commands ............................................... 11-4
Table 11-2 Syntax for SRM Console Commands .................................................. 11-6
Table 11-3 Special Characters for SRM Console................................................... 11-7
Table 11-4 Device Naming convention................................................................ 11-13
Table 11-5 PCI Address Assignments.................................................................. 11-13
Table 11-6 Environment Variable Summary ....................................................... 11-51
Table 11-7 Settings for Boot_osflags Bootflags (OpenVMS).............................. 11-55
Table C-1 Power Cord Set Requirements - By Country ......................................... C-2
Table D-1 Physical Characteristics ......................................................................... D-1
Table D-2 Environmental Specifications ................................................................ D-3
Table D-3 Electrical Specifications......................................................................... D-4
Table D-2 DS20E Acoustical Data ......................................................................... D-6
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About This Guide
Intended Audience
This guide is for the person who installs, administers, and repairs servers or
workstations. Compaq assumes you are qualified in the servicing of computer
equipment and trained in recognizing hazards in products with hazardous
energy levels.
Text Conventions
This document uses the following conventions to distinguish elements of text:
Keys
Keys appear in boldface. A plus sign (+) between
two keys indicates that they should be pressed
simultaneously.
USER INPUT
User input appears in a different typeface and in
uppercase.
FILENAMES
File names appear in uppercase italics.
Menu Options,
Command Names,
Dialog Box Names
These elements appear in initial capital letters.
COMMANDS,
DIRECTORY NAMES,
and DRIVE NAMES
These elements appear in uppercase.
Type
When you are instructed to type information, type
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the information without pressing the Enter key.
Enter
When you are instructed to enter information, type
the information and then press the Enter key.
Symbols in Text
These symbols may be found in the text of this guide. They have the
following meanings.
WARNING: Text set off in this manner indicates that failure to follow directions
in the warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or loss of information.
IMPORTANT: Text set off in this manner presents clarifying information or specific
instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points
of information.
Symbols on Equipment
These icons may be located on equipment in areas where hazardous conditions
may exist.
Any surface or area of the equipment marked with these symbols
indicates the presence of electrical shock hazards. Enclosed area
contains no operator serviceable parts.
WARNING: To reduce the risk of injury from electrical shock hazards,
do not open this enclosure.
Any RJ-45 receptacle marked with these symbols indicates a Network
Interface Connection.
WARNING: To reduce the risk of electrical shock, fire, or damage to
the equipment, do not plug telephone or telecommunications
connectors into this receptacle.
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About This Guide
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. If this
surface is contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Power Supplies or Systems marked with these symbols
indicate the equipment is supplied by multiple sources of
power.
WARNING: To reduce the risk of injury from electrical shock,
remove all power cords to completely disconnect power from
the system.
Rack Stability
WARNING: To reduce the risk of personal injury or damage to the equipment,
be sure that:
■
The leveling jacks are extended to the floor.
■
The full weight of the rack rests on the leveling jacks.
■
The stabilizing feet are attached to the rack if it is a single rack installation.
■
The racks are coupled together in multiple rack installations.
■
A rack may become unstable if more than one component is extended for
any reason. Extend only one component at a time.
Getting Help
If you have a problem and have exhausted the information in this guide, you
can get further information and other help in the following locations.
Compaq Technical Support
You are entitled to free hardware technical telephone support for your product
for as long you own the product. A technical support specialist will help you
diagnose the problem or guide you to the next step in the warranty process.
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DS20E Reference Guide
In North America, call the Compaq Technical Phone Support Center at
1
1-800-OK-COMPAQ . This service is available 24 hours a day, 7 days a week.
Outside North America, call the nearest Compaq Technical Support Phone
Center. Telephone numbers for world wide Technical Support Centers are
listed on the Compaq website. Access the Compaq website by logging on to
the Internet at http://www.compaq.com.
Be sure to have the following information available before you call Compaq:
■
Technical support registration number (if applicable)
■
Product serial number(s)
■
Product model name(s) and numbers(s)
■
Applicable error messages
■
Add-on boards or hardware
■
Third-party hardware or software
■
Operating system type and revision level
■
Detailed, specific questions
Compaq Website
The Compaq website has information on this product as well as the latest
drivers and flash ROM images. You can access the Compaq website by
logging on to the Internet at http://ftp.digital.com/pub/DEC/Alpha/firmware or
http://www.compaq.com.
Compaq Authorized Reseller
For the name of your nearest Compaq authorized reseller:
In the United States, call 1-800-345-1518.
In Canada, call 1-800-263-5868.
Elsewhere, see the Compaq website for locations and telephone numbers.
1
For continuous quality improvement, calls may be recorded or monitored.
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Chapter
1
System Overview
Introduction
This chapter describes features of the system. The following are discussed:
■
System introduction
■
System architecture
■
System features
■
System components
■
System features module
■
Processor module
■
Memory
■
PCI Backplane
■
Hard disk drive storage
■
Power supplies
■
2-way combination module
■
Control panel
■
Rear panel
■
Storage device LEDs
■
Combination drive and removable bay
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DS20E Reference Guide
■
User interface
■
System options
System Introduction
The system is a high-performance system that comes with one processor and
can be upgraded to a dual-processor system. Ideal uses of this system include
the following:
■
Run applications such as relational databases, electronic mail, and
communications.
■
Provide printing resources to PCs and other systems in a LAN.
■
Provide disk storage to PCs and other systems in a LAN.
■
Enable PCs to remotely run computation intensive applications.
■
Operate in a commercial application due to remote management
features.
■
Operate as a workstation.
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System Overview
The rackmount and pedestal systems are shown in Figure 1–1.
Rackmount
Pedestal
CAT0039
Figure 1–1. Rackmount and Pedestal System
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System Architecture
The system is a departmental system provided as a pedestal or rackmount and
offers Peripheral Component Interconnect (PCI) and Industry Standard
Architecture (ISA) bus options on a single system board. The system utilizes
Alpha symmetric multi-processing technology. Figure 1–2 shows the
architecture of the system.
Command, Address, and Control lines for each Memory Array
C-chip
Control lines for D-chips
Probe/
Addr.
Probe/
Addr.
CAPbus
P-chip
64 bit PCI
P-chip
64 bit PCI
CMD/
Addr.
PAD
Bus
CPU 1
(optional)
1 or 2
Memory
Banks
CMD/
Addr.
CPU 0
CPU
Data
Bus
Memory
Data
Bus
8 D-chips
1 or 2
Memory
Banks
B-cache
B-cache
PKW1400-99
Figure 1– 2. System Architecture
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System Overview
The system is housed in an enclosure containing the system board, other logic
modules, and two power supplies (maximum of 3) with internal fans. The
enclosure allows for internal mass-storage devices which includes a
combination IDE CD-ROM/floppy disk drive, one available half-height
removable bay, and four 1.6-inch hot-swap drive bays. The control panel
includes On/Standby and Reset, and Halt buttons. The system can be used
as a desk-side pedestal in the vertical position, or with the addition of brackets,
may be mounted in the horizontal position in a standard rack.
All memory and I/O components are on a single system board that contains a
memory subsystem, PCI bus, ISA bus, integrated SCSI F/W/U I/O controllers,
and option slots for PCI-based and ISA-based option modules. A separate
system management module serves to monitor and control the system
remotely.
The 21264 microprocessor is a superscalar, super-pipelined implementation of
the Alpha architecture and runs at an optimized price/performance speed of
500 MHz and above. The chip contains a 64 KB I set associative cache and a
64 KB D set associative cache. Support for a larger L2 Cache is provided by a
private cache (Bcache). 4 MB are standard with upgrade.
Figure 1–3 shows the basic system board.
CAT0030
Figure 1– 3. Basic System Board
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System Features
The system offers a number of features that ensure high performance,
expandability, enhanced reliability, high availability, remote server
management, and improved security. Table 1-1 lists these features.
Table 1-1
System Features
Feature
Description
64-bit Alpha architecture
Enables large memory operations and high performance for VMS,
Tru64 UNIX, and Linux.
Third Generation Alpha
Microprocessor
Fast microprocessor for enhanced system performance.
4-MB second-level cache
Reduces memory transaction times significantly.
Compaq Insight Manager
Compaq ServerWorks
Easy to manage the system and lower cost of ownership.
Integrated fast wide SCSI
controller
Supports tape and hard disk devices without use of an expansion slot
(option).
4 -slot storage subsystems
The system is pre-configured with a 4-slot storage subsystem that
accommodates 1.6-inch drives.
Hot-swap
Allows replacement of disk drives, fans, and power supplies while the
system continues to operate.
Ultra2 SCSI-ready backplane
Provides high-performance drive technology.
(Ultra2 – ready) (LVD/SE SCSI)
Operating system
Tru64 UNIX, OpenVMS, or Linux (boot support).
continued
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System Overview
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Table 1-1
System Features continued
Feature
Description
Flexible packaging
Single enclosure available as free-standing pedestal or rackmountable box.
100MHz ECC SDRAM memory
architecture
Allows incremental memory expansion from 256MB to 4GB.
Five 64-bit PCI slots and one
shared 32-bit ISA or PCI 64-bit
slot.
Accommodates industry-standard option modules such as Ethernet,
FDDI, SCSI, and modems.
PCI combination module with
2D/3D graphics and 10/100
Ethernet.
Base system includes networking capability and enhanced graphics.
Internal storage devices.
A modular storage system accommodates one 5.25-inch slim height
CD/FDD combination drive and one 5.25-inch half height tape device.
External ports
Two serial ports and one parallel port support external options such
as printer, modem, or local terminal. One 10/100 Mb/s Ethernet port.
Internal sensors
Monitor and detect internal system temperature, fan failure, and
power supply.
System diagnostics
Allows local and remote diagnosis of system failures.
Hardware configuration
Allows local and remote system configuration.
Firmware utility
Enables loading and verification of latest firmware versions.
Remote management console
Enables monitoring of system conditions and manipulating of the
control panel from a remote terminal.
Key lock (pedestal only)
Limits access to system components.
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DS20E Reference Guide
System Components
Figure 1-4 identifies the main components of the system in a pedestal version.
9
5
6
2
1
7
6
3
10
4
8
MR0300A
Figure 1-4. System Parts
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System Overview
The main components of the system are listed in Table 1-2.
Table 1-2
System Parts
Figure Legend
Component
❶
Floppy disk drive.
❷
CD-ROM.
❸
Storage subsystem.
❹
Hard disk drives.
❺
Operator control panel (OCP).
❻
CPUs.
❼
System board.
❽
Power supplies (2 minimum).
❾
System features module.
❿
SymBios Adapter 895 SCSI Card
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DS20E Reference Guide
System Features Module
The system features module (SFM) monitors environmental conditions in the
system. The SFM supports the two system fans and three power supplies. The
SFM also monitors the state of the CPU fans on the system board. Switch 1
on the switch pack enables the Remote Management Console (RMC). Figure
1-5 shows the SFM key features.
1
4
2
3
3
2
4
1
10
5
9
6
7
8
PK1216A
Figure 1-5. System Features Module
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System Overview
Table 1-3 describes the main features of the SFM module.
Table 1-3
SFM Key Features
#
Connection
❶
Description
Vaux5 LED– lit when AC power present in system.
❷
J1
Power supply connector, 24-pin
❸
J2
Door connector, 6-pin
❹
Status LEDs
❺
Switch pack
❻
Fan control thermostat
❼
J7
Fan1 connector, 3-pin, connection to outboard system fan
❽
J6
Fan0 connector, 3-pin, connection to inboard system fan
❾
Temperature sensor
❿
PIC16C73 Microcontroller for RMC (Remote Management Console)
➀
J5
DP264 system board connector, 20-pin
➁
J3
Control panel connector, 10-pin
➂
J4
Unused, 10-pin
➃
22V10 PAL chip
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DS20E Reference Guide
SFM Switch Pack
The SFM switch pack is shown in Figure 1-5 at ➎, and again in Figure 1-6
below. The default position for the switches is on for RMC and off (open.
towards the words “Default all open”) for the other three switches.
(RMC) PIC Enable
2
2
Reserved for service
3
3
PIC SYSPWR Enable
4
4
Load PIC Defaults
ON
1
1
DEFAULT ALL OPEN
1-12
PK1216e
Figure 1-6. SFM Switches
#
Function
➊
(RMC) PIC ENABLE
enables/disables the Remote Management Console (RMC). When this switch is on (closed— its default
position), the Remote Management Console (RMC) communicates with the device connected to the COM1
port. This switch redirects the system COM1 port’s transmit and receive serial lines to the SFM module. Note
that the hardware flow control lines are not passed to the SFM from the system board.
In the off (open) position, RMC is not enabled.
➋
Reserved for Service
➌
PIC SYSPWR ENABLE BYPASS
bypasses the control signal from the PIC that enables the system to operate. With this switch on (closed, not
in the default position), software cannot shut the system down. For example, with the switch on, the RMC
power-off command will not shut the system down.
Use this switch to prevent remote shutdown.
In the default position of off (open), the system can be shut down remotely, or by software.
➍
LOAD PIC DEFAULTS
when on (closed), forces the PIC to its default settings, acting like a reset or refresh to the PIC.
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System Overview
SFM Status LEDs
The SFM has 7 status LEDs. The VAUX5 LED is located at ➊ in Figure 1-5.
The other 6 LEDs are located at ➎ in Figure 1-5, and are shown in close-up in
Figure 1-6. The VAUX5 LED is lit whenever AC power is supplied to the
system.
1
POK0
2
POK1
3
POK2
4
SYS FANS OK
5
CPU FANS OK
6
TEMP OK
PK1216c
Figure 1-7. SFM Status LEDs
Table 1-4
SFM Status LEDs
#
On SFM Module
Description
➊
POK0
When lit, indicates power supply 0 has passed its self-test and is
running okay.
➋
POK1
When lit, indicates power supply 1 has passed its self-test and is
running okay.
➌
POK2
When lit, indicates power supply 2 has passed its self-test and is
running okay.
➍
SYS FANS OK
When lit, indicates both system fans (fans 0 and 1) are operating.
➎
CPU FANS OK
When lit, indicates CPU fans are operating. If a CPU fan fails, it will
result in a fatal system error and the system will shut down in 30
seconds or less.
➏
TEMP OK
Indicates the system temperature is below 55 ºC.
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System Fan Configuration
N+1 Configuration
The system has two fans; for optimal cooling, both fans are running. If one of
the fans were to fail or were removed for servicing (hot-swapping), the system
will continue to function with the other fan running.
As system temperature rises, the fan speed increases to increase cooling. If the
system temperature rises above 50ºC (due to high system loads or high
ambient temperature), the system software will receive an I/O interrupt and the
system will shut down within 30 seconds.
Thermostatic System Fan Control
The fan control thermostat is located at ➏ in Figure 1-5. The thermostat is set
to drive the fans at their minimum speed in normal computer room
environments below 26 degrees C to keep noise levels low. At higher
temperatures, the fans run faster to provide more air flow.
As an ultimate backup, system shutdown will be initiated if the internal
temperature reaches 50-55ºC. Firmware or software sets this value.
N+1 Hot-Swap Power Supply Configuration
The SFM enforces the system requirement to have two functional power
supplies in order to operate. Using the ≤ 30 second shutdown timer, the SFM
shuts down the system if the number of working power supplies ever falls
below two. In a three power supply configuration, a power supply may be
removed for servicing without interrupting system operation. An I/O interrupt
will be generated whenever the number of power supplies in operation
changes, and the status LEDs will indicate the change also.
Cover Interlock
The system does not operate with the system enclosure open. System power
cannot be turned on until the cover is closed. If the cover is opened while the
system is running, power will shut off immediately.
The cover connector is found on the SFM at J2, and ➌ in Figure 1-5.
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System Overview
Processor Modules
The system supports up to two processor modules that can be installed on the
system board. Each processor module contains a 21264 microprocessor. The
21264 microprocessor is a superscalar chip with out-of-order execution and
speculative execution to maximize speed and performance. It contains four
integer execution units and dedicated execution units for floating-point add,
multiply, and divide. The chip also has an integrated in
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