Microprocessor problems
Table 22. Microprocessor's symptoms and actions
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
If an action step is preceded by “(Trained technician only)”, that step must be performed only by a trained
technician.
v
Go to the IBM support website at http://www.ibm.com/supportportal to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom
Action
The server goes directly to the
POST Event Viewer when it is
turned on.
1.
Correct any errors that are indicated by the light path diagnostics LEDs (see
“Light path diagnostics” on page 136).
2.
Make sure that the server supports all the microprocessors and that the
microprocessors match in speed and cache size. To view the microprocessor
information, run the Setup utility and select
System Information
>
System
Summary
>
Processor Details
.
3.
(Trained technician only) Reseat microprocessor 1
4.
(Trained technician only) If there is no indication of which microprocessor has
failed, isolate the error by testing with one microprocessor at a time.
5.
Replace the following components one at a time, in the order shown, restarting
the server each time:
a.
(Trained technician only) Microprocessor 2
b.
(Trained technician only) System board
6.
(Trained technician only) If multiple error codes or light path diagnostics LEDs
indicate a microprocessor error, reverse the locations of two microprocessors to
determine whether the error is associated with a microprocessor or with a
microprocessor socket.
v
If the error is associated with a microprocessor, replace the microprocessor.
v
If the error is associated with a microprocessor socket, replace the system
board.
Monitor problems
Some IBM monitors have their own self-tests. If you suspect a problem with your
monitor, see the documentation that comes with the monitor for instructions for
testing and adjusting the monitor. If you cannot diagnose the problem, call for
service.
Table 23. Monitor and video's symptoms and actions
v
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v
If an action step is preceded by “(Trained technician only)”, that step must be performed only by a trained
technician.
v
Go to the IBM support website at http://www.ibm.com/supportportal to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom
Action
Testing the monitor.
1.
Make sure that the monitor cables are firmly connected.
2.
Try using a different monitor on the server, or try using the monitor that is
being tested on a different server.
3.
Run the diagnostic programs. If the monitor passes the diagnostic programs,
the problem might be a video device driver.
4.
(Trained technician only) Replace the system board.
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