Note:
See “System” on page 156 to determine which components should be replaced by a field service technician.
Memory problems
Symptom
FRU/action
The amount of system memory
displayed is less than the
amount of physical memory
installed.
1.
Verify that:
v
The memory modules are seated properly.
v
You have installed the correct type of memory.
v
If you changed the memory, you updated the memory configuration with the
Configuration/Setup Utility program.
v
All banks of memory on the DIMMs are enabled. The server might have
automatically disabled a DIMM bank when it detected a problem or a DIMM
bank could have been manually disabled.
2. Check POST error log for error message 289:
v
If the DIMM was disabled by a system-management interrupt (SMI), replace
the DIMM.
v
If the DIMM was disabled by the user or by POST:
a. Start the Configuration/Setup Utility program.
b. Enable the DIMM.
c. Save the configuration and restart the server.
3. DIMM.
4. System board.
Note:
See “System” on page 156 to determine which components should be replaced by a field service technician.
Microprocessor problems
Symptom
FRU/action
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.)
1.
Verify that the startup microprocessor is seated properly.
2. Startup microprocessor.
Note:
See “System” on page 156 to determine which components should be replaced by a field service technician.
Monitor problems
Symptom
FRU/action
Testing the monitor.
v
See the information that comes with the monitor
for adjusting and testing
instructions. (Some IBM monitors have their own self-tests.)
Chapter 6. Symptom-to-FRU index
137
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