IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual page 101

Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
Memory problems
Symptom
The amount of system
memory displayed is less
than the amount of physical
memory installed.
Some memory is disabled in
memory diagnostics.
Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by
a field service technician.
Microprocessor problems
Symptom
The blade server emits a
continuous tone during POST.
(The startup (boot)
microprocessor is not working
properly.)
FRU/action
1. Make sure 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 computer 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 computer.
3. DIMM.
4. System board.
Start the Configuration/Setup Utility program (see "Starting the
Configuration/Setup Utility program" on page 11), and disable hot spare memory;
then, run the diagnostics test again.
FRU/action
1. Make sure that the startup microprocessor is seated properly.
2. Startup microprocessor.
Chapter 6. Symptom-to-FRU index
91