IBM 883725U, Руководство по установке

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Troubleshooting charts
The following tables list problem symptoms and suggested solutions. See the
Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries
Documentation CD for more detailed troubleshooting charts. If you cannot find the
problem in these charts, run the diagnostic programs. If you have run the diagnostic
programs, or if running the tests does not reveal the problem, call for service.
DVD-ROM drive problems
Symptom Suggested action
The DVD-ROM drive is not
recognized.
Make sure that:
v The IDE channel to which the DVD-ROM drive is attached (primary or
secondary) is enabled in the Configuration/Setup Utility program. If the server
has a single IDE channel, only the primary channel can be used.
v
All cables and jumpers are installed correctly.
v The correct device driver is installed for the DVD-ROM drive.
If the problem remains, call for service.
A CD is not working correctly. Clean the CD.
If the problem remains, call for service.
The DVD-ROM drive tray is not
working.
The server must be turned on.
Insert the end of a straighten paper clip into the manual tray-release opening.
If the problem remains, call for service.
Expansion enclosure problems
Symptom Suggested action
The SCSI expansion enclosure
used to work but does not work
now.
Make sure that:
v The cables for all external SCSI options are connected correctly.
v
The last device in each SCSI chain, or the end of the SCSI cable, is terminated
correctly.
v Any external SCSI devices are turned on. You must turn on external SCSI
devices before turning on the server.
For more information, see your SCSI expansion enclosure documentation.
General problems
Symptom Suggested action
A cover lock is broken, an LED
is not working, or a similar
problem has occurred.
Call for service.
Chapter 6. Solving problems
59