IBM SA38-0512-03 manual Does System stop with, Checkpoint displayed on the operator, Panel?

YES	If	there	is	only	one	memory	module	installed, go to	“Step	1240-3” on
	page	2-13.
	If	there	is	more	than	one	memory	module installed,	go to	“Step 1240-2.”

Step 1240-2

1. Power off the system. Refer to "Powering Off the System".

2.Remove all but one of the installed memory modules. Record the position of th memory modules removed so that when instructed to re-install them, they can be installed in their original positions.

3. Power on the system. Refer to "Powering On the System".

Does the system stop with a memory checkpoint displayed on the operator panel?

NORepeat this step until all the memory modules have been installed and tested.

If all the memory modules have been installed, reseating the memory modules has corrected the problem.

Go to"MAP 0410: Repair Checkout" in theDiagnostics Information for

Multiple Bus Systems.

YES Go to “Step 1240-3.”

Step 1240-3

The	failure may be caused by	the	last memory module installed or the system b
To	isolate the failing FRU do	the	following:

1. Power off the system. Refer to "Powering Off the System".

2. Exchange the last memory module installed.

3. Power on the system. Refer to "Powering On the System".

Does the	system stop with				a memory	checkpoint displayed on the operator
panel?
NO	Go	to"MAP	0410:		Repair Checkout" in theDiagnostics Information for
	Multiple		Bus	Systems.
YES	Go	to	“Step		1240-4”	on page 2-14.

Chapter 2. Maintenance Analysis Procedures 2-13(MAPs)