IBM 4365, 4364 manual Memory problems, Problem Determination and Service Guide

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom	Action
The mouse or pointing device	1.	If the server is attached to a KVM switch, bypass the KVM switch to eliminate it
does not work.
		as a possible cause of the problem: connect the mouse or pointing-device
		cable directly to the correct connector on the rear of the server.
	2.	Make sure that:
		v The mouse or pointing-device cable is securely connected and the keyboard
		and mouse cables are not reversed.
		v The mouse device drivers are installed correctly.
		v The mouse is enabled in the Configuration/Setup Utility program.
	3.	Reseat the mouse or pointing device cable.
	4.	Replace the following components one at a time, in the order shown, restarting
		the server each time:
		a. Mouse or pointing device
		b. (Trained service technician only) System board

Memory problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom	Action
The amount of system memory	1.	Make sure that:
that is displayed is less than the
		v No error LEDs are lit on the operator information panel.
amount of installed physical
		v The memory modules are seated correctly.
memory.
		v You have installed the correct type of memory (see “Installing a memory
		module” on page 9).
		v All banks of memory are enabled. The server might have automatically
		disabled a memory bank when it detected a problem.
	2.	Check the POST error log for error message 289 (see “Using the
		Configuration/Setup Utility program” on page 26); if a DIMM was disabled by a
		system-management interrupt (SMI), replace the DIMM.
	3.	Run memory diagnostics (see “Running the diagnostic programs” in the
		Problem Determination and Service Guide).
	4.	Add one pair of DIMMs at a time, making sure that the DIMMs in each pair
		match.
	5.	Reseat the DIMMs.
	6.	Replace the following components one at a time, in the order shown, restarting
		the server each time:
		a. DIMMs
		b. (Trained service technician only) System board

40IBM System x3250 Types 4364 and 4365: Installation Guide