IBM H Series Installation And Service Manual page 51

Step 1240-10
One of the FRUs remaining in the system unit is defective.
1. Turn the power off.
2. Exchange the following FRUs in the order listed.
Memory card
System board
Processor card(s)
3. Turn the power on.
Does the system stop with a memory checkpoint displayed on the operator
panel?
NO Go to "Map 0410: Repair Checkout" in the Diagnostic Information for Mul-
tiple Bus Systems.
YES Reinstall the original FRU.
Repeat this step until the defective FRU is identified or all the FRUs have
been exchanged.
If the symptom did not change and all the FRUs have been exchanged,
go to "MAP 1540: Minimum Configuration" on page 2-37.
Chapter 2. Maintenance Analysis Procedures
2-17