IBM 8685 Hardware Maintenance Manual - Page 154

Monitor problems, Symptom, FRU/action, Option problems, Verify

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Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Monitor problems Symptom FRU/action Wrong characters appear on the 1. If the wrong language is displayed, update the BIOS code with the correct screen. language. 2. Video adapter, if installed. 3. System board. Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Option problems Symptom FRU/action An IBM option that was just installed does not work. 1. Verify that: v The option is designed for the server (see the ServerProven list on the World Wide Web at http://www.ibm.com/pc/compat/). v You followed the installation instructions that came with the option. v The option is installed correctly. v You have not loosened any other installed options or cables. v You updated the configuration information in the Configuration/Setup Utility program. Whenever memory or an option is changed, you must update the configuration. 2. Option you just installed. An IBM option that used to work 1. Verify that all of the option hardware and cable connections are secure. does not work now. 2. If the option comes with its own test instructions, use those instructions to test the option. 3. If the failing option is a SCSI option, verify that: v The cables for all external SCSI options are connected correctly. v The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. v Any external SCSI option is turned on. You must turn on an external SCSI option before turning on the server. 4. Failing option. 144 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Monitor problems
Symptom
FRU/action
Wrong characters appear on the
screen.
1.
If the wrong language is displayed, update the BIOS code with the correct
language.
2.
Video adapter, if installed.
3.
System board.
Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Option problems
Symptom
FRU/action
An IBM option that was just
installed does not work.
1.
Verify that:
v
The option is designed for the server (see the ServerProven list on the World
v
You followed the installation instructions that came with the option.
v
The option is installed correctly.
v
You have not loosened any other installed options or cables.
v
You updated the configuration information in the Configuration/Setup Utility
program. Whenever memory or an option is changed, you must update the
configuration.
2.
Option you just installed.
An IBM option that used to work
does not work now.
1.
Verify that all of the option hardware and cable connections are secure.
2.
If the option comes with its own test instructions, use those instructions to test
the option.
3.
If the failing option is a SCSI option, verify that:
v
The cables for all external SCSI options are connected correctly.
v
The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v
Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the server.
4.
Failing option.
144
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide