Lenovo 6447, 6446, 6445, 6444 Microprocessor problems, LEDs” in the Hardware Maintenance Manual

Microprocessor 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 Hardware Maintenance Manual 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 server emits a continuous	1.	Correct any errors that are indicated by the LEDs (see “Lightpath diagnostics
beep during POST, indicating
		LEDs” in the Hardware Maintenance Manual).
that the microprocessor is not
	2.	Make sure that the server supports all the microprocessors and that the
working correctly.
		microprocessors match in speed and cache size.
	3.	(Trained service technician only) Make sure that microprocessor 1 is seated
		correctly.
	4.	Reseat the following components:
		a. (Trained service technician only) Microprocessors
		b. VRM, if microprocessor 2 is installed
	5.	(Trained service technician only) Replace the microprocessors.

70ThinkServer RD120 Types 6444, 6445, 6446, and 6447: Installation Guide