HP ProLiant ML500 Series Generation 2 Server Memory Installation

HP ProLiant ML500 Series
Generation 2 Server
Memory Installation Guide
October 2002 (Second Edition)
Part Number 279987-002
HP CONFIDENTIAL
Writer: Jim Yurick File Name: a-frnt.doc
Codename: time bandit Part Number: 279987-002 Last Saved On: 8/22/02 2:13 PM
Microsoft, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S.
and other countries.
Intel, Pentium, and Itanium are trademarks of Intel Corporation in the U.S. and other
countries.
UNIX is a trademark of The Open Group in the U.S. and other countries.
Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions
contained herein. The information in this document is provided “as is” without warranty of
any kind and is subject to change without notice. The warranties for HP products are set forth
in the express limited warranty statements accompanying such products. Nothing herein
should be construed as constituting an additional warranty.
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
October 2002 (Second Edition)
Part Number 279987-002
HP CONFIDENTIAL
Writer: Jim Yurick File Name: a-frnt.doc
Codename: time bandit Part Number: 279987-002 Last Saved On: 8/22/02 2:13 PM
Contents
About This Guide
Audience Assumptions ....................................................................................................... v
Important Safety Information ............................................................................................. v
Symbols on Equipment....................................................................................................... v
Rack Stability.................................................................................................................... vii
Symbols in Text................................................................................................................ vii
Related Documents ..........................................................................................................viii
Getting Help.....................................................................................................................viii
Technical Support .....................................................................................................viii
HP Website.................................................................................................................. ix
Authorized Reseller..................................................................................................... ix
Reader’s Comments........................................................................................................... ix
Chapter 1
Memory
Memory Quick Start Guidelines ......................................................................................1-3
Quick Start DIMM Installation .................................................................................1-3
Quick Start Memory Configuration ..........................................................................1-5
Quick Start LED Information....................................................................................1-6
Memory Boards ...............................................................................................................1-6
Parts of the Memory Board .......................................................................................1-7
Memory Board Slot Locations ..................................................................................1-8
Memory Board LEDs ................................................................................................1-9
Advanced ECC (Standard) Memory Technology..........................................................1-13
Advanced Memory Protection Options .........................................................................1-14
Online Spare Memory Technology .........................................................................1-15
Single-Board Mirrored Memory Technology .........................................................1-17
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
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iii
Contents
Hot-Plug Mirrored Memory Technology ............................................................... 1-19
Software ........................................................................................................................ 1-21
Configuring the Memory............................................................................................... 1-22
Installation, Removal, and Replacement Procedures .................................................... 1-23
Removing a Memory Board ................................................................................... 1-24
Removing a DIMM................................................................................................. 1-27
Installing a DIMM .................................................................................................. 1-28
Installing a Memory Board..................................................................................... 1-29
Chapter 2
Error Messages
Index
List of Figures
1-1
1-2
1-3
1-4
1-5
1-6
1-7
Parts of the memory board........................................................................................ 1-7
Memory board slots .................................................................................................. 1-8
Memory board LEDs and icons ................................................................................ 1-9
Removing the memory board ................................................................................. 1-26
Removing a DIMM................................................................................................. 1-27
Installing and latching a DIMM.............................................................................. 1-28
Installing the memory board................................................................................... 1-30
List of Tables
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
1-10
2-1
2-2
iv
Quick Start DIMM Installation Guidelines .............................................................. 1-4
Memory LED States on a Properly Configured Memory Board .............................. 1-6
Parts of the Memory Board....................................................................................... 1-7
Memory Board Slots................................................................................................. 1-8
Advanced ECC (Standard) Memory LEDs .............................................................. 1-9
Online Spare Memory LEDs .................................................................................. 1-10
Single-Board Mirrored Memory LEDs................................................................... 1-11
Hot-Plug Mirrored Memory LEDs ......................................................................... 1-11
Memory Board Icons .............................................................................................. 1-12
Memory LED States on a Properly Configured Memory Board ............................ 1-31
POST Error Messages............................................................................................... 2-2
Other POST Messages.............................................................................................. 2-3
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
HP CONFIDENTIAL
Writer: Jim Yurick File Name: a-frnt.doc
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About This Guide
This guide provides step-by-step installation instructions and reference information
for operation, troubleshooting, and future upgrades for the memory system in HP
ProLiant ML500 series generation 2 servers.
Audience Assumptions
This guide is for the person who installs, administers, and troubleshoots servers. HP
assumes you are qualified in the servicing of computer equipment and trained in
recognizing hazards in products with hazardous energy levels.
Important Safety Information
Before installing this product, read the Important Safety Information document
included with the server.
Symbols on Equipment
The following symbols may be placed on equipment to indicate the presence of
potentially hazardous conditions:
WARNING: This symbol, in conjunction with any of the following symbols,
indicates the presence of a potential hazard. The potential for injury exists if
warnings are not observed. Consult your documentation for specific details.
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v
About This Guide
This symbol indicates the presence of hazardous energy circuits or electric
shock hazards. Refer all servicing to qualified personnel.
WARNING: To reduce the risk of injury from electric shock hazards, do not
open this enclosure. Refer all maintenance, upgrades, and servicing to
qualified personnel.
This symbol indicates the presence of electric shock hazards. The area
contains no user or field serviceable parts. Do not open for any reason.
WARNING: To reduce the risk of injury from electric shock hazards, do not
open this enclosure
This symbol on an RJ-45 receptacle indicates a network interface connection.
WARNING: To reduce the risk of electric shock, fire, or damage to the
equipment, do not plug telephone or telecommunications connectors into this
receptacle.
This symbol 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.
These symbols, on power supplies or systems, indicate that the
equipment is supplied by multiple sources of power.
WARNING: To reduce the risk of injury from electric shock,
remove all power cords to completely disconnect power from the
system.
This symbol indicates that the component exceeds the recommended
weight for one individual to handle safely.
Weight in kg
Weight in lb
vi
WARNING: To reduce the risk of personal injury or damage to the
equipment, observe local occupational health and safety requirements
and guidelines for manual material handling.
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About This Guide
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.
•
Only one component is extended at a time. A rack may become unstable if
more than one component is extended for any reason.
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 essential information to explain a concept
or complete a task.
NOTE: Text set off in this manner presents additional information to emphasize or supplement
important points of the main text.
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
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vii
About This Guide
Related Documents
•
The white paper on Advanced Memory Protection on the HP website:
www.compaq.com/products/servers/technology/memoryprotection.html
•
The hardware installation and configuration poster that ships with your server
•
The hardware installation and configuration labels located on the inside of the
access panel of your server
•
The installation documentation that ship with option kits
•
The Documentation CD, which includes the following resources:
— The setup and installation guide
— HP Servers Troubleshooting Guide
— ROM-Based Setup Utility Guide
— A link to the maintenance and service guide
— The Advanced Memory Protection multimedia demo
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.
Technical Support
In North America, call the HP Technical Support Phone Center at 1-800-652-6672.
This service is available 24 hours a day, 7 days a week. For continuous quality
improvement, calls may be recorded or monitored. Outside North America, call the
nearest HP Technical Support Phone Center. Telephone numbers for worldwide
Technical Support Centers are listed on the website, www.hp.com.
Be sure to have the following information available before you call HP:
viii
•
Technical support registration number (if applicable)
•
Product serial number
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
HP CONFIDENTIAL
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About This Guide
•
Product model name and number
•
Applicable error messages
•
Add-on boards or hardware
•
Third-party hardware or software
•
Operating system type and revision level
HP Website
The HP website has information on this product as well as the latest drivers and flash
ROM images. You can access the HP website at www.hp.com.
Authorized Reseller
For the name of your nearest authorized reseller:
•
In the United States, call 1-800-345-1518.
•
In Canada, call 1-800-263-5868.
•
Elsewhere, see the HP website for locations and telephone numbers.
Reader’s Comments
HP welcomes your comments on this guide. Please send your comments and
suggestions by e-mail to ServerDocumentation@hp.com.
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
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ix
1
Memory
This guide explains the procedures associated with the memory system in the
ProLiant ML500 series Generation 2 server. The topics include:
•
Memory quick start guidelines
•
Memory boards
— Parts of the memory board
— Memory board slot locations
— Memory board LEDs
•
Advanced ECC (standard) memory technology
•
Advanced Memory Protection options
— Online spare memory technology
— Single-board mirrored memory technology
— Hot-plug mirrored memory technology
•
Software
•
Configuring the memory
•
Installation, removal, and replacement procedures
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
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1-1
Memory
For more information specific to Advanced Memory Protection, refer to the
following resources:
•
The white paper on Advanced Memory Protection on the website:
www.compaq.com/products/servers/technology/memoryprotection.html
•
The Advanced Memory Protection multimedia on the Documentation CD
•
The installation documentation that ships with option kits
•
The hardware installation and configuration poster that ships with the server
•
The hardware installation and configuration labels located on the inside of the
access panel of the server
For more information on configuring the memory through the ROM-Based Setup
Utility (RBSU), refer to the ROM-Based Setup Utility Guide on the Documentation
CD.
1-2
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
HP CONFIDENTIAL
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Memory
Memory Quick Start Guidelines
This section gives a brief overview of memory in the ProLiant ML500 series
Generation 2 servers, including:
•
Quick start DIMM installation
•
Quick start memory configuration
•
Quick start LED information
More detailed information about each of these items can be found in following
sections in this chapter.
Quick Start DIMM Installation
Always observe the following guidelines when installing DIMMs:
•
Use only industry-standard PC1600 registered DDR SDRAM DIMMs.
•
Install DIMMs in pairs.
•
Be sure that both DIMMs in a bank are of the same capacity.
•
Be sure that bank A is populated.
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
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1-3
Memory
Use the following Table 1-1 as a quick reference for DIMM installation guidelines
specific to your desired memory configuration.
Table 1-1: Quick Start DIMM Installation Guidelines
Advanced ECC
(Standard) Memory
Online Spare Memory
Single-Board
Mirrored Memory
Hot-Plug Mirrored
Memory
One or two memory
boards can be
installed.
One or two memory
boards can be
installed.
Install only one
memory board.
Two memory boards
are required.
A memory board
may be installed in
either slot.
Memory board slot 1
must be populated.
Memory board slot 1
must be populated.
Both memory board
slots must be
populated.
This configuration has
no hot-plug
capabilities.
This configuration has
no hot-plug
capabilities.
“Ready to Hot Plug”
LED indicates when
memory board can be
hot-plugged.
DIMMs in the online
spare bank must be of
equal or greater
capacity than DIMMs in
each remaining bank.
DIMMs in the mirrored
banks must be
configured identically
to the banks they are
mirroring.
Both memory boards
must be configured
identically.
Bank D on memory
board 1 must always
be populated.
Banks A and C must
always be populated.
Bank D of memory
board 1* is the online
spare bank, even if two
boards are installed.
Bank C mirrors
bank A.
Bank D mirrors
bank B.
* Memory board slot 1 is the memory board slot closest to the PCI-X slots.
1-4
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Memory
Quick Start Memory Configuration
If you plan to use online spare memory, single-board mirrored memory, or hot-plug
mirrored memory, you must configure your desired memory mode through RBSU.
HP also recommends testing new DIMMs. To test DIMMs and configure memory:
1. Power on the server.
2. Press the F9 key to enter RBSU.
3. Select Advanced Options.
4. Change POST Speed Up to disable.
5. Press any key to return to the RBSU main menu.
6. Select System Options.
7. Select Advanced Memory Protection.
8. Select the desired memory mode.
9. Press the ESC key twice to go back to the main RBSU menu.
10. Press the F10 key to exit RBSU. The server reboots and tests all memory in the
system.
11. Once the memory has been tested, re-enable POST Speed Up for faster system
boot, if desired.
IMPORTANT: To reconfigure the memory mode after initial setup, you must reboot the
system and enter RBSU.
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1-5
Memory
Quick Start LED Information
Table 1-2: Memory LED States on a Properly Configured Memory Board
Memory Configuration
Advanced ECC
(Standard)
Memory
Online Spare
Memory
Single-Board
Mirrored
Memory
Hot-Plug
Mirrored
Memory
Memory status
Green
Green
Green
Green
DIMM 1-8, if
populated
Green
Green
Green
Green
“Online Spare”
text *
Off
Green
Off
Off
Online spare
status
Off
Green
Off
Off
Mirroring status
Off
Off
Green
Green
“Ready to Hot
Plug” LED
Off
Off
Off
Green
LED
* If two memory boards are installed, the online spare text is only illuminated for the memory board
in slot 1.
Memory Boards
The ProLiant ML500 series Generation 2 servers ship standard with one memory
board. You can install an additional memory board to expand system memory or to
enable dual-board memory mirroring and hot-plug capabilities.
NOTE: Hot-plug mirrored memory mode is not available on ProLiant ML530 generation 2
servers.
This section provides the following information about the memory boards:
1-6
•
Parts of the memory board
•
Memory board slot locations
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Memory
•
Memory board LEDs
Parts of the Memory Board
Figure 1-1 and Table 1-3 identify the parts of the memory board.
Figure 1-1: Parts of the memory board
Table 1-3: Parts of the Memory Board
Item
Description
1
DIMM slot 1, bank A (must be populated)
2
DIMM slot 2, bank A (must be populated)
3
DIMM slot 3, bank B
4
DIMM slot 4, bank B
5
DIMM slot 5, bank C
6
DIMM slot 6, bank C
7
DIMM slot 7, bank D *
8
DIMM slot 8, bank D *
9
LEDs
continued
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1-7
Memory
Table 1-3: Parts of the Memory Board continued
Item
Description
10
Locking switch
11
Release latches
12
Ejector levers
* When the system is configured for online spare memory, bank
D on memory board 1 is the online spare bank.
Memory Board Slot Locations
Figure 1-2 and Table 1-4 identify the memory board slots on the system board.
Figure 1-2: Memory board slots
Table 1-4: Memory Board Slots
Item
1-8
Description
1
Memory board slot 1
2
Memory board slot 2
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Memory
Memory Board LEDs
Use the following Figure 1-4 and tables to identify LEDs and icons on the memory
board.
Figure 1-3: Memory board LEDs and icons
Table 1-5: Advanced ECC (Standard) Memory LEDs
Item
1
Description
Indicator
Status
Memory
status
Off
Memory board is offline.
Green
Memory board is online.
Flashing green
Memory board is busy.
Amber
Memory error has occurred on this memory board.
4
“Ready to Hot
Plug” LED
Off
Do not remove memory board—advanced ECC
memory does not support hot-removal of boards.
8
DIMM 1-8
status
Off
DIMM is not installed.
Green
DIMM is installed.
Amber
Memory error has occurred on this DIMM.
Flashing amber
Configuration error has occurred.
continued
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1-9
Memory
Table 1-5: Advanced ECC (Standard) Memory LEDs continued
Item
1-4,
7, 8
Description
Indicator
Status
All LEDs
Flashing amber
CAUTION—memory board is in use; relock it
immediately.
Table 1-6: Online Spare Memory LEDs
Item
1
2
Description
Indicator
Status
Memory
status
Off
Memory board is offline.
Green
Memory board is online.
Flashing green
Memory board is busy.
Amber
Memory error has occurred on this memory board.
Off
Memory board is not configured for online spare
memory.
Green
Online spare memory is functioning properly.
Amber
Memory error has occurred and system has failed over
to the online spare bank.
Online spare
status
4
“Ready to
Hot Plug”
LED
Off
Do not remove memory board—online spare memory
does not support hot-plug capability.
7
“Online
Spare” text
Off
Bank is not configured as an online spare bank.
Green
Bank is configured as an online spare bank.
Flashing green
Failure has occurred and online spare bank is active.
Off
DIMM is not installed.
Green
DIMM is installed.
Amber
Memory error has occurred on this DIMM.
Flashing amber
Configuration error has occurred.
Flashing amber
CAUTION—memory board is in use; relock it
immediately.
8
1-4,
7, 8
1-10
DIMM 1-8
status
All LEDs
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Memory
Table 1-7: Single-Board Mirrored Memory LEDs
Item
1
3
Description
Indicator
Status
Memory
status
Off
Memory board is offline.
Green
Memory board is online.
Flashing green
Memory board is busy.
Amber
Memory error has occurred on this memory board.
Off
Memory board is not configured for mirrored memory.
Green
Single-board mirrored memory is functioning properly.
Amber
Memory error has occurred and system has failed over
to the mirrored bank(s).
Mirroring
status
4
“Ready to
Hot Plug”
LED
Off
Do not remove memory board—single-board mirrored
memory does not support hot-plug capability.
8
DIMM 1-8
status
Off
DIMM is not installed.
Green
DIMM is installed.
Amber
Memory error has occurred on this DIMM.
Flashing amber
Configuration error has occurred.
Flashing amber
CAUTION—memory board is in use; relock it
immediately.
1-4,
7, 8
All LEDs
Table 1-8: Hot-Plug Mirrored Memory LEDs
Item
1
Description
Indicator
Status
Memory
status
Off
Memory board is offline.
Green
Memory board is online.
Flashing green
Memory board is busy.
Amber
Memory error has occurred on this memory board.
continued
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1-11
Memory
Table 1-8: Hot-Plug Mirrored Memory LEDs continued
Item
3
4
8
1-4,
7, 8
Description
Indicator
Status
Mirroring
status
Off
Memory board is not configured for mirrored memory.
Green
Hot-plug mirrored memory is functioning properly.
Amber
Memory error has occurred and system has failed over
to the mirrored board.
Off
Do not remove memory board—memory board is not
ready for removal.
Green
Okay to remove memory board.
Off
DIMM is not installed.
Green
DIMM is installed.
Amber
Memory error has occurred on this DIMM.
Flashing amber
Configuration error has occurred.
Flashing amber
CAUTION—memory board is in use; relock it
immediately.
“Ready to
Hot Plug”
LED
DIMM 1-8
status
All LEDs
Table 1-9: Memory Board Icons
Item
Description
Status
5
Lock
Memory board is locked and cannot be removed.
6
Unlock
Memory board is unlocked; do not unlock unless the
“Ready to Hot Plug” LED is green.
Note: The icon at which the memory board switch is pointed indicates whether the memory board is
locked or unlocked.
1-12
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Memory
Advanced ECC (Standard) Memory Technology
This section details the features and DIMM installation requirements for advanced
ECC memory.
Features
Advanced ECC memory has the following advantages:
•
The ProLiant ML500 series Generation 2 servers support up to 32 GB of system
memory. Each memory board supports up to 16 GB of system memory using
2-GB DIMMs.
•
Advanced ECC memory detects both single-bit and multi-bit errors, and corrects
single-bit errors. It can also detect and correct 4-bit errors that occur within a
single DRAM chip on a DIMM.
DIMM Installation Requirements
Observe the following DIMM configuration requirements when installing DIMMs:
•
Use only industry-standard PC1600 registered DDR SDRAM DIMMs in
256-MB, 512-MB, 1-GB, and 2-GB capacities.
•
Install DIMMs in pairs, one bank at a time.
•
Be sure that both DIMMs in a bank are the same capacity.
•
Be sure that bank A is populated.
IMPORTANT: HP recommends that you use only HP DIMMs. Third-party DIMMs may have
additional installation requirements. For information about third-party DIMM installation
requirements, refer to the Advanced Memory Protection white paper on the website:
www.compaq.com/products/servers/technology/memoryprotection.html
IMPORTANT: You must power down the server before installing additional DIMMs.
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1-13
Memory
IMPORTANT: Follow all DIMM configuration requirements carefully. If the DIMMs are not
configured properly, you receive an error message during POST.
Advanced Memory Protection Options
The ProLiant ML500 series Generation 2 servers support three types of optional
Advanced Memory Protection:
•
Online spare memory
•
Single-board mirrored memory
•
Hot-plug mirrored memory
Each type includes Advanced ECC protection.
NOTE: Hot-add capabilities will be available in a future software release. For more information
about hot-add functionality, refer to the Advanced Memory Protection white paper on the
website:
www.compaq.com/products/servers/technology/memoryprotection.html
1-14
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Memory
Online Spare Memory Technology
This section details the features and DIMM installation requirements for online spare
memory.
Features
Online spare memory uses an online spare bank to provide additional memory
protection. Online spare memory has the following advantages:
•
Online spare memory provides DIMM failover capabilities for single-bit
correctable errors. Bank D on memory board 1 is configured as an online spare
bank. If a DIMM on either memory board exceeds the pre-defined limit for
single-bit correctable errors, indicating that it may fail, the system fails over to
the online spare bank.
•
If one memory board is installed, the ProLiant ML500 series Generation 2
servers support up to 12 GB of system memory and 4 GB of online spare
memory using 2-GB DIMMs.
•
If two memory boards are installed, the ProLiant ML500 series Generation 2
servers support up to 28 GB of system memory and 4 GB of online spare
memory using 2-GB DIMMs.
IMPORTANT: DIMMs in the online spare bank must be of equal or greater capacity than the
DIMMs in the remaining banks.
Online spare memory can be configured with either one or two memory boards.
Bank D on the memory board in slot 1 is the online spare bank, even if two memory
boards are installed. The online spare bank can provide memory protection for up to
seven other banks: three banks on the memory board in slot 1 and four banks on the
memory board in slot 2. If any DIMM in these seven banks exceeds the pre-defined
limit for single-bit correctable errors, indicating that it may fail, the system performs
the following actions:
•
Copies the contents of the degraded bank to the online spare bank
•
Deactivates the failing bank
•
Activates the online spare bank
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Memory
•
Provides notification of the DIMM failure via the memory board LEDs, the
front-panel internal health LED, and Insight Manager 7.
This process occurs without intervention or server interruption, and enables you to
replace the degraded DIMM at your convenience during a regularly scheduled
shutdown.
DIMM Installation Requirements
In addition to the DIMM configuration requirements for advanced ECC memory,
observe the following DIMM configuration requirements when installing DIMMs for
online spare memory:
•
Memory board slot 1 must be populated.
•
Bank D on the memory board in slot 1 is always the online spare bank, even if
two memory boards are installed, and must be populated when the server is
configured for online spare memory.
•
DIMMs installed in the online spare bank must be of equal or greater capacity
than each of those in the remaining banks on both memory boards.
IMPORTANT: If any of the above requirements is not met, the system automatically switches
to advanced ECC memory and displays an error message during POST.
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Memory
Single-Board Mirrored Memory Technology
This section details the features and DIMM installation requirements for single-board
mirrored memory.
Features
Single-board mirrored memory uses mirrored banks on a single memory board to
provide a high level of memory redundancy. Single-board mirrored memory has the
following advantages:
•
Single-board mirrored memory provides protection against multi-bit errors. If a
DIMM on the memory board has a multi-bit error, the system reads from the
mirrored banks instead.
•
If configured for single-board mirrored memory, the ProLiant ML500 series
Generation 2 servers can support up to 8 GB of system memory and 8 GB of
redundant memory using 2-GB DIMMs.
IMPORTANT: DIMMs in the redundant banks must be configured identically to the banks they
are mirroring.
IMPORTANT: If a DIMM exceeds the HP pre-defined limit for single-bit correctable errors, the
system does not fail over to the redundant banks, but does notify you of the condition through
Insight Manager 7, the memory board LEDs, and the front-panel internal health LED.
Single-board mirrored memory is configured with one memory board only, which
must be installed in memory board slot 1. Bank C mirrors bank A, and, if populated,
bank D mirrors bank B. If any DIMM in bank A or bank B has a multi-bit error, the
system performs the following actions:
•
Rereads the correct data from the redundant memory banks
•
Performs all future reads from the redundant memory banks
•
Provides notification of the DIMM failure via the memory board LEDs, the
front-panel internal health LED, and Insight Manager 7
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Memory
This process occurs without intervention or server interruption, and enables you to
replace the degraded DIMM at your convenience during a regularly scheduled
shutdown. Multi-bit errors are detected at the bank level rather than the DIMM level,
so if a multi-bit error occurs, both DIMMs in the bank must be replaced.
As long as no errors have occurred on the memory board, the system periodically
switches which set of banks it reads from to be sure that both sets are monitored for
memory errors.
DIMM Installation Requirements
In addition to the DIMM configuration requirements for advanced ECC memory,
observe the following DIMM configuration requirements when installing DIMMs for
single-board mirrored memory:
•
Install only one board. The board must be installed in memory board slot 1.
•
Bank C mirrors bank A, and bank D mirrors bank B. Banks A and C must always
be populated.
•
DIMMs in the mirrored banks must be configured identically to the banks they
are mirroring. Corresponding banks (for instance, bank A and bank C) must be
populated with DIMMs of the same capacity.
IMPORTANT: If any of the above requirements is not met, the system automatically switches
to advanced ECC memory and displays an error message during POST.
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Memory
Hot-Plug Mirrored Memory Technology
This section details the features and DIMM installation requirements for hot-plug
mirrored memory.
Features
NOTE: Hot-plug mirrored memory mode is not available on ProLiant ML530 generation 2
servers.
Hot-plug mirrored memory uses an additional memory board to provide complete
memory redundancy. Hot-plug mirrored memory has the following advantages:
•
Hot-plug mirrored memory provides protection against multi-bit errors. If a
DIMM on one memory board has a multi-bit error, the system begins reading
from the other memory board instead.
•
Hot-plug mirrored memory enables hot-replace capabilities, which help minimize
server downtime.
•
Hot-plug mirrored memory can support up to 16 GB of system memory and
16 GB of redundant memory using 2-GB DIMMs.
IMPORTANT: If a DIMM exceeds the HP pre-defined limit for single-bit correctable errors, the
system does not fail over to the redundant banks, but does notify you of the condition through
Insight Manager 7, the memory board LEDs, and the front-panel internal health LED.
To use hot-plug mirrored memory, you must install a second memory board. Both
memory boards must be configured identically (DIMMs installed in corresponding
banks on each memory board must be of the same capacity). If any DIMM has a
multi-bit error, the system performs the following actions:
•
Rereads the correct data from the redundant memory board
•
Performs all future reads from the redundant memory board
•
Provides notification of the DIMM failure via the memory board LEDs, the
front-panel internal health LED, and Insight Manager 7
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Memory
This process occurs without intervention or server interruption, and enables you to
hot-replace the failed or degraded DIMM at your convenience. Multi-bit errors are
detected at the bank level rather than the DIMM level, so if a multi-bit error occurs,
both DIMMs in the bank must be replaced.
As long as no errors have occurred on the memory board, the system periodically
switches which memory board it reads from to be sure that both memory boards are
monitored for memory errors.
Hot-plug mirrored memory also provides hot-plug replacement capability. The
server’s hot-plug capability enables you to hot-replace a memory board that has a
failed or degraded DIMM on it. You can remove the memory board, replace the
DIMMs, and then reinstall the memory board while the server is running, preventing
server downtime. Once the board is re-installed, the system automatically returns to
mirrored status. You can also perform a non-hot-plug replacement of failed or
degraded DIMMs during a scheduled shutdown.
DIMM Installation Requirements
In addition to the DIMM configuration requirements for advanced ECC memory,
observe the following DIMM configuration requirements when installing DIMMs for
hot-plug mirrored memory:
•
Two memory boards must be installed.
•
Both memory boards must be configured identically. Corresponding banks (for
instance, bank A on the memory board in slot 1 and bank A on the memory board
in slot 2) must be populated with DIMMs of the same capacity.
Observe the following DIMM configuration requirements when performing a
hot-replacement:
•
Do not unlock the memory board unless the “Ready to Hot Plug” LED is green.
•
If you replace a DIMM, the new DIMM must be a PC1600 DDR SDRAM
DIMM of the same capacity as the DIMM you are replacing.
For a complete description of a hot-plug procedure, refer to “Installation, Removal,
and Replacement Procedures” in this chapter.
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Memory
Software
The following software components of the memory system provide memory
configuration and management capabilities:
•
ROM-Based Setup Utility (RBSU)
•
Insight Manager 7
IMPORTANT: The optional online spare memory, single-board mirrored memory, and
hot-plug mirrored memory features do not require special software drivers and are operating
system independent.
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Memory
Configuring the Memory
Configuring the server’s memory system requires configuring both hardware and
software. To configure your memory:
1. Remove the memory board. Refer to “Removing a Memory Board” in this
chapter.
2. Install the required DIMMs based on your desired memory configuration. Be
sure to follow all DIMM installation requirements. Refer to “DIMM Installation
Requirements” for your desired memory configuration in this chapter.
3. Install the memory board. Refer to “Installing a Memory Board” in this chapter.
4. Test the DIMMs and configure the memory mode through RBSU:
a. Power on the server.
b. Press the F9 key to enter RBSU.
c. Select Advanced Options.
d. Change POST Speed Up to disable.
e. Press any key to return to the RBSU main menu.
f.
Select System Options.
g. Select Advanced Memory Protection.
h. Select the desired memory mode.
i.
Press the ESC key twice to go back to the main RBSU menu.
j.
Press the F10 key to exit RBSU. The server reboots and tests all memory in
the system.
k. Once the memory has been tested, re-enable POST Speed Up for faster
system boot, if desired.
IMPORTANT: To reconfigure the memory mode after initial setup, you must reboot the
system and enter RBSU.
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Memory
Installation, Removal, and Replacement Procedures
DIMM and memory board installation, removal, and replacement procedures can be
either hot-plug or non-hot-plug procedures, depending on how the server is
configured.
•
You cannot perform hot-plug procedures when the system is configured for:
— Advanced ECC memory
— Online spare memory
— Single-board mirrored memory
•
While you cannot currently hot-add DIMMs, hot-add capabilities will be
available in a future software release, enabling you to dynamically increase
system memory capacity while the system is running. For more information
about hot-add functionality, refer to the Advanced Memory Protection white
paper on the website:
www.compaq.com/products/servers/technology/memoryprotection.html
•
You cannot perform hot-add or hot-replace procedures when the system is
configured for advanced ECC (standard) memory.
•
You can perform a hot-replacement procedure when the server is configured for
hot-plug mirrored memory, enabling you to remove a memory board, remove a
failed or degraded DIMM, replace it with a new DIMM, and reinstall the memory
board, all without powering down the server or experiencing server downtime.
The replacement procedures in this section apply to both hot-plug and non-hot-plug
memory procedures, except as noted.
NOTE: Hot-add memory allows ranges of memory to be added to the server and made
available to the operating system and applications as part of the normal memory pool without
requiring a reboot of the server. This feature will only operate on servers that have the hot plug
mirroring capability enabled while using the Windows.NET and certain Unix server family
operating systems. When utilizing this capability, an equal amount of memory needs to be
added to maintain parity between the two memory boards while in mirrored memory mode.
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Memory
CAUTION: Be sure to power down the server when performing these procedures in
a server that is not configured for hot-plug mirrored memory.
Observe the following warnings when performing a hot-plug replacement procedure:
WARNING: Always comply with all electrostatic and thermal guidelines to
prevent bodily injury and ensure a properly functioning system when
performing hot-plug operations. For detailed information, refer to Appendix B,
“Electrostatic Discharge,” in the setup and installation guide on the
Documentation CD.
WARNING: The hot-plug door provides access to hazardous energy circuits.
To avoid risk of injury or damage to the equipment from hazardous energy, be
sure the door remains locked during normal operation or install the server in a
controlled access location.
WARNING: To reduce the risk of personal injury from hazardous energy or
damage to the equipment when working on energized servers:
•
Remove all watches, rings, and any other loose fitting jewelry.
•
Avoid the use of conductive tools inside the server that could bridge live
parts.
Removing a Memory Board
CAUTION: Electrostatic discharge can damage electronic components. Be sure you
are properly grounded before beginning any installation procedure.
To remove a memory board:
1. If the server is not configured for hot-plug mirrored memory, you must power
down the server. Refer to “Powering Down the Server” in Chapter 3, “Installing
Hardware Options,” in the setup and installation guide on the Documentation
CD.
Hot-replacement procedure: If the server is configured for hot-plug mirrored
memory, skip to step 2.
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Memory
2. Open the hot-plug door. Refer to “Opening the Hot-Plug Door” in Chapter 3,
“Installing Hardware Options,” in the setup and installation guide on the
Documentation CD.
Hot-replacement procedure: Determine which memory board you want to
remove by locating the memory board with an amber memory status LED and
one or more amber DIMM status LEDs. The “Ready to Hot Plug” LED must be
green, indicating that you can perform a hot-plug procedure.
NOTE: If the “Ready to Hot Plug” LED is off on both boards, then you must power down
the server before replacing DIMMs.
3. Disengage the locking switch (1).
Hot-replacement procedure: After turning the locking switch, the LEDs turn
off, except the amber LEDs. Wait until all green LEDs are off before proceeding.
Make note of which DIMM status LED remains illuminated amber. This is the
DIMM you need to remove and replace.
CAUTION: Do not attempt to unlock the memory board in an operational server
when the “Ready to Hot Plug” LED is not green. This generates an audible alarm
and causes the memory board LEDs to flash amber. Proceeding to remove the
memory board after the audible and visible alarms causes system failure.
CAUTION: To prevent system failure, do not remove the memory board from
the server until the memory status LED stops flashing.
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Memory
4. Press the release latches inward firmly, disengaging the board from the server
(2). Do not squeeze the latches.
5. Lift the ejector levers up (3).
6. Pull the memory board up out of the server (4).
Hot-replacement procedure: While the memory board with the failed or
degraded DIMM is being replaced, the system continues to read and write from
the operational memory board.
Figure 1-4: Removing the memory board
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Memory
Removing a DIMM
To remove a DIMM:
1. Remove the memory board. Refer to “Removing a Memory Board” in this
chapter.
2. Place the memory board on a level surface.
3. Open the DIMM slot latches (1) to eject the DIMM from the DIMM slot (2).
Figure 1-5: Removing a DIMM
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Memory
Installing a DIMM
To install a DIMM:
1. Remove the memory board. Refer to “Removing a Memory Board” in this
chapter.
2. Observe all DIMM installation requirements for your desired memory mode.
Refer to the “DIMM Installation Requirement” sections for each mode in this
chapter.
IMPORTANT: Follow all DIMM configuration requirements carefully. If the DIMMs are not
configured properly, you receive an error message during POST and the DIMM LEDs
flash amber.
3. Align the keyed portion of the bottom edge of the DIMM with the tab in the
DIMM slot.
4. Press the DIMM firmly into the slot (1) and push the latches into place (2).
Figure 1-6: Installing and latching a DIMM
IMPORTANT: The bottom edge of the DIMM is designed so that it fits into the DIMM slot only
one way.
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Memory
Installing a Memory Board
To install a memory board:
1. Align the memory board with the memory slot and memory board guide clips.
2. Slide the memory board into the server (1) and close the ejector levers to seat the
memory board firmly (2).
Hot-replacement procedure: Any LEDs that were amber when the board was
removed from the server now illuminate amber again.
IMPORTANT: The LEDs re-illuminate amber during this step to enable you to see which
DIMM failed. If you have already replaced the failed DIMM, disregard the amber LEDs.
The LEDs change back to green after the locking switch is engaged.
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Memory
3. Engage the locking switch (3).
Hot-replacement procedure: All LEDs now turn off except the memory status
LED, which flashes green while data are copied from one memory board to the
other. This process may take up to a minute to complete. When the copying
process is complete, the other LEDs re-illuminate as described in Table 1-10.
CAUTION: Do not remove the memory board while the memory status LED is
flashing. When the memory status LED is flashing, the memory board is
transferring data. Removing the memory board during data transfer may cause
system failure.
Figure 1-7: Installing the memory board
4. If the server is not currently configured for hot-plug mirrored memory, power up
the server. Refer to Chapter 6, “Installing the Rack Server” or Chapter 7,
“Installing the Tower Server,” in the setup and installation guide on the
Documentation CD.
Hot-plug procedure: If the server is configured for hot-plug mirrored memory,
skip to step 7.
5. Configure the memory. Refer to “Configuring the Memory” in this chapter.
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Memory
6. Reference the LEDs on the top of the memory board to be sure that the memory
is functioning properly. Table 1-10 describes what the LED states for each
memory configuration when the DIMMs and memory board are installed and
functioning properly. For more information on LEDs, refer to “Memory Board
LEDs” in this chapter.
Table 1-10: Memory LED States on a Properly Configured Memory Board
Memory Configuration
Advanced ECC
(Standard)
Memory
Online Spare
Memory
Single-Board
Mirrored
Memory
Hot-Plug
Mirrored
Memory
Memory status
Green
Green
Green
Green
DIMM 1-8, if
populated
Green
Green
Green
Green
“Online Spare”
text *
Off
Green
Off
Off
Online spare
status
Off
Green
Off
Off
Mirroring status
Off
Off
Green
Green
“Ready to
Hot Plug” LED
Off
Off
Off
Green
LED
* If two memory boards are installed, the online spare text is only illuminated for the memory board
in slot 1.
7. If any of the LEDs is illuminated solid amber, indicating a failed DIMM, or
flashing amber, indicating improper DIMM configuration, refer to the
troubleshooting guide on the Documentation CD for instructions.
8. Close the hot-plug door.
9. If you have a tower-model server, close the front bezel door.
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2
Error Messages
Use error messages to assist you in troubleshooting and performing basic diagnostic
functions in the ProLiant ML500 series Generation 2 server. The following tables
contain new and unique error messages. For a complete listing of error messages and
other troubleshooting information, refer to the HP Servers Troubleshooting Guide
provided on your Documentation CD or online at the website:
www.compaq.com/support/techpubs/user_reference_guides
For more information about the DIMM installation guidelines discussed in this
chapter, see Chapter 1, “Memory.”
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Error Messages
Table 2-1: POST Error Messages
Error Code
Audible
Beeps
Probable Source of
Problem
Action
207 - Invalid Memory
Configuration - Unsupported
DIMM in Board X, DIMM X. Only
Registered DDR DIMMs are
Supported.
1 long,
1 short
Unregistered DIMMs
Install registered
PC1600 ECC DDR
SDRAM DIMMs.
207 - Invalid Memory
Configuration - Unsupported
DIMM in Board X, DIMM X.
Insufficient Timings on DIMM.
1 long,
1 short
Insufficient DIMM
timings
Install registered
PC1600 ECC DDR
SDRAM DIMMs.
207 - Invalid Memory
Configuration - Mismatched
DIMMs within DIMM Bank.
Memory in Board X, Bank X Not
Utilized.
1 long,
1 short
DIMMs within a bank
are mismatched or
missing, or memory
board 1 is missing.
Install correctly
matched DIMMs.
209 - Online Spare Memory
Configuration - Board 1, Bank D
is invalid.
1 long,
1 short
Online spare bank is
configured incorrectly.
Be sure that DIMMs in
the online spare bank
are populated
correctly.
209 - Online Spare Memory
Configuration - No valid banks
for online spare.
1 long,
1 short
Only the online spare
bank is populated.
Install DIMMs in at
least bank A, board 1.
209 - Mirror Memory
Configuration - DIMMs on both
boards do not match.
1 long,
1 short
Memory boards are not
populated identically,
or a memory board is
missing.
Be sure that two
memory boards are
installed and that
DIMMs are populated
correctly.
209 - Mirror Memory
Configuration - Single-Board
Mirror DIMMs do not match.
1 long,
1 short
Mirrored banks are not
populated identically,
or memory board 1 is
missing.
Be sure mirrored
banks are populated
identically and that
only memory board 1
is installed.
209 - Mirror Memory
Configuration - Board 2 present
in Single-Board Mirror.
1 long,
1 short
A second memory
board is installed in the
single-board mirrored
memory configuration.
Remove memory
board 2.
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Error Messages
Table 2-2: Other POST Messages
POST message
Description
Advanced Memory Protection
Mode: Advanced ECC Support
Advises that server is configured for advanced ECC memory *
Advanced Memory Protection
Mode: Online Spare with
Advanced ECC
Advises that server is configured for online spare memory*
Advanced Memory Protection
Mode: Single-Board Mirrored
Memory with Advanced ECC
Advises that server is configured for single-board mirrored
memory *
Advanced Memory Protection
Mode: Dual-Board Mirrored
Memory with Advanced ECC
Advises that server is configured for dual-board mirrored
memory *
XX MB System memory and
XX MB memory reserved for
Online Spare.
Advises how much memory is dedicated to system memory and
online spare memory
XX MB System memory and
XX MB memory reserved for
Single-Board Mirroring
Advises how much memory is dedicated to system memory and
single-board mirrored memory
XX MB System memory and
XX MB memory reserved for
Mirroring.
Advises how much memory is dedicated to system memory and
hot-plug mirrored memory
* If the memory boards or DIMMs are configured incorrectly for the selected memory mode, the
system defaults to advanced ECC memory.
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Index
A
access panel labels viii, 1-2
advanced ECC memory See standard
memory
Advanced Memory Protection See also
memory
hot-plug mirrored memory 1-19
multimedia viii, 1-2
online spare memory 1-15
single-board memory 1-17
authorized reseller ix
B
banks
locations 1-7
mirrored 1-17
online spare 1-4, 1-15
populating 1-4
installation guidelines See installation
guidelines
standard memory 1-4
installing 1-28
quick start installation guidelines 1-3
removing 1-27
testing 1-22
type 1-13
Documentation CD viii
documentation, memory-related viii, 1-2
E
ejector levers
closing 1-29
lifting 1-26
location 1-8
error messages
hot-plug mirrored memory 2-2
online spare memory 2-2
POST 2-2
single-board mirrored memory 2-2
C
CD, Documentation viii
configuring memory in RBSU 1-5, 1-22
D
DIMM banks See banks
DIMM slots, location 1-7
DIMMs See also memory
failure notification 1-16, 1-17, 1-19
G
guide clips, memory board 1-29
guidelines, DIMM installation
hot-plug mirrored memory 1-20
online spare memory 1-16
single-board memory 1-18
standard memory 1-13
guidelines, quick start 1-3
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Index-1
Index
H
hot-add capabilities 1-14, 1-23
hot-plug mirrored memory
DIMM installation guidelines 1-4, 1-20
error messages 2-2
features 1-19
LEDs 1-6, 1-11, 1-31
maximum configuration 1-19
hot-plug procedures
guidelines 1-23
HP website ix
I
icons, memory board 1-12
Insight Manager, DIMM failure
notification 1-16, 1-17, 1-19
installation guidelines
hot-plug mirrored memory 1-4, 1-20
online spare memory 1-4, 1-16
single-board mirrored memory 1-4, 1-18
standard memory 1-13
installing
DIMMs 1-28
memory boards 1-29
L
labels, access panel viii, 1-2
LEDs
during a hot-plug procedure 1-25, 1-29,
1-30
hot-plug mirrored memory 1-6, 1-11,
1-31
locations 1-9
on a properly configured memory
board 1-31
online spare memory 1-6, 1-10, 1-31
quick start guidelines 1-6
single-board mirrored memory 1-6,
1-11, 1-31
standard memory 1-6, 1-9, 1-31
Index-2
locking switch
disengaging 1-25
engaging 1-30
location 1-8
M
maximum configuration
hot-plug mirrored memory 1-19
online spare memory 1-15
single-board mirrored memory 1-17
standard memory 1-13
memory See also DIMMs
configuring 1-5
hot-plug mirrored 1-19
online spare 1-15
overview 1-1
quick start guidelines 1-3
single-board 1-17
standard 1-13
memory boards
aligning 1-29
ejector levers 1-26, 1-29
guide clips 1-29
icons 1-9, 1-12
installing 1-29
LEDs 1-9
locking switch 1-25, 1-30
mirrored 1-19
parts 1-7
release latches, pressing 1-26
removing 1-24
slot locations 1-8
multimedia, Advanced Memory
Protection viii, 1-2
O
online spare memory
bank D 1-15
DIMM installation guidelines 1-4, 1-16
error messages 2-2
features 1-15
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
COMPAQ CONFIDENTIAL
Writer: Jim Yurick File Name: x-index.doc
Codename: Time Bandit Part Number: 279987-002 Last Saved On: 8/22/02 2:20 PM
Index
LEDs 1-6, 1-10, 1-31
maximum configuration 1-15
option kit documentation viii, 1-2
P
POST error messages 2-2
poster viii, 1-2
Q
quick start guidelines
DIMM installation 1-3
DIMM testing 1-5
LED information 1-6
memory configuration 1-5
S
single-board mirrored memory
DIMM installation guidelines 1-4, 1-18
error messages 2-2
features 1-17
LEDs 1-6, 1-11, 1-31
maximum configuration 1-17
software, memory-related 1-21
standard memory
DIMM installation guidelines 1-4, 1-13
features 1-13
LEDs 1-6, 1-9, 1-31
maximum configuration 1-13
symbols in text vii
T
R
RBSU See ROM-Based Setup Utilty
(RBSU)
release latches
location 1-8
pressing 1-26
removing
DIMMs 1-27
memory boards 1-24
replacing See installing
ROM-Based Setup Utility (RBSU),
configuring memory with 1-2, 1-5,
1-22
ROM-Based Setup Utility Guide 1-2
technical support viii
telephone numbers viii, ix
W
warnings
electrostatic discharge 1-24
hazardous energy 1-24
websites
HP ix
memory white paper viii, 1-2
troubleshooting guide 2-1
white paper, memory viii, 1-2, 1-13, 1-14,
1-23
HP ProLiant ML500 Series Generation 2 Server Memory Installation Guide
COMPAQ CONFIDENTIAL
Writer: Jim Yurick File Name: x-index.doc
Codename: Time Bandit Part Number: 279987-002 Last Saved On: 8/22/02 2:20 PM
Index-3