IBM 84802AX Installation Guide - Page 51

Memory, Suggested action, Option, Expansion enclosure

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Memory Suggested action The amount of memory displayed is less than the amount of memory installed. Verify that: 1. The memory modules are seated properly. 2. You have installed the correct type of memory. 3. If you changed the memory, you must update the memory configuration with the Configuration/Setup Utility program. 4. All banks of memory on the DIMMs are enabled. The server might have automatically disabled a DIMM bank if it detected a problem, or a DIMM bank could have been manually disabled. Option An IBM option that was just installed does not work. If the problem persists, call for service. Suggested action Verify that: 1. The option is designed for the server. 2. You followed the installation instructions that came with the option. 3. The option is installed correctly. 4. You have not loosened any other installed options or cables. 5. You updated the configuration information in the Configuration/Setup Utility program. Whenever memory or an option is changed, you must update the configuration. Expansion enclosure The SCSI expansion enclosure used to work, but does not work now. If the problem remains, call for service. Suggested action Verify that: 1. The cables for all external SCSI options are connected correctly. 2. The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. 3. External SCSI options are turned on. You must turn on an external SCSI options before turning on the server. For more information, see your SCSI and expansion enclosure documentation. Chapter 5. Solving problems 39

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Chapter 5.
Solving problems
39
Memory
Suggested action
The amount of memory
displayed is less than the amount
of memory installed.
Verify that:
1.
The memory modules are seated properly.
2.
You have installed the correct type of memory.
3.
If you changed the memory, you must update the memory configuration with the
Configuration/Setup Utility program.
4.
All banks of memory on the DIMMs are enabled. The server might have
automatically disabled a DIMM bank if it detected a problem, or a DIMM bank
could have been manually disabled.
If the problem persists, call for service.
Option
Suggested action
An IBM option that was just
installed does not work.
Verify that:
1.
The option is designed for the server.
2.
You followed the installation instructions that came with the option.
3.
The option is installed correctly.
4.
You have not loosened any other installed options or cables.
5.
You updated the configuration information in the Configuration/Setup Utility
program. Whenever memory or an option is changed, you must update the
configuration.
If the problem remains, call for service.
Expansion enclosure
Suggested action
The SCSI expansion enclosure
used to work, but does not work
now.
Verify that:
1.
The cables for all external SCSI options are connected correctly.
2.
The last option in each SCSI chain, or the end of the SCSI cable, is terminated
correctly.
3.
External SCSI options are turned on. You must turn on an external SCSI options
before turning on the server.
For more information, see your SCSI and expansion enclosure documentation.