IBM 7378, Руководство по диагностике и обслуживанию

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Optional-device problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 4, “Parts listing, System x3400 M3 Types 7378 and 7379,” on page 141 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units
(FRU).
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
An IBM optional device that was
just installed does not work.
1. Make sure that:
v
The device is designed for the server (see http://www.ibm.com/servers/
eserver/serverproven/compat/us/).
v
You followed the installation instructions that came with the device and the
device is installed correctly.
v
You have not loosened any other installed devices or cables.
v You updated the configuration information in the Setup utility. Whenever
memory or any other device is changed, you must update the configuration.
2. Reseat the device that you just installed.
3. Replace the device that you just installed.
An IBM optional device that
used to work does not work
now.
1. Make sure that all of the hardware and cable connections for the device are
secure.
2. If the device comes with test instructions, use those instructions to test the
device.
3. If the failing device is a SCSI device, make sure that:
v The cables for all external SCSI devices 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 device is turned on. You must turn on an external SCSI
device before you turn on the server.
4. Reseat the failing device.
5. Replace the failing device.
Chapter 3. Diagnostics
85