IBM H Series Installation And Service Manual page 50

Step 1240-8
1. Turn the power off.
2. Install a pair of memory modules.
3. Turn the power on.
Does the system stop with a memory checkpoint displayed on the operator
panel?
NO Repeat this step until all the memory modules are installed and tested.
If all the memory modules have been installed reseating the memory
modules on the memory card has corrected the problem.
Go to "Map 0410: Repair Checkout" in the Diagnostic Information for Mul-
tiple Bus Systems.
YES Go to "Step 1240-9."
Step 1240-9
The failure may be caused by the last pair of memory modules installed or the
memory card. To isolate the failing FRU, do the following:
1. Turn the power off.
2. Exchange the last memory module pair installed.
3. Turn the power on.
Does the system stop with a memory checkpoint displayed on the operator
panel?
NO Go to "Step 1240-11" on page 2-18.
YES Go to "Step 1240-10" on page 2-17.
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RS/6000 Enterprise Server Model H Series Installation and Service Guide