IBM HS40 manual Memory problems

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	FRU/action
The amount of system	1.	Make sure that:
memory displayed is less
		v The memory modules are seated properly.
than the amount of physical		v You have installed the correct type of memory.
memory installed.		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.
Some memory is disabled in	Start the Configuration/Setup Utility program (see “Starting the
memory diagnostics.	Configuration/Setup Utility program” on page 11), and disable hot spare memory;
	then, run the diagnostics test again.

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	FRU/action
The blade server emits a	1.	Make sure that the startup microprocessor is seated properly.
continuous tone during POST.
	2.	Startup microprocessor.
(The startup (boot)
microprocessor is not working
properly.)

Chapter 6. Symptom-to-FRU index 91