IBM pSeries 690 Service Manual page 372

Step 1549-5
Attention: Some of the parts in the following list are modules that have a limit of three plug cycles.
Before replacing any of the modules in the following list, call for support. Replace the following books and
modules, if present, one at a time:
v First location code item recorded, if any, in "Step 1549-1" on page 355.
v Second location code item recorded, if any, in "Step 1549-1" on page 355.
v Third location code item recorded, if any, in "Step 1549-1" on page 355.
v Primary I/O Book at U1.18-P1-H2 if not recorded in "Step 1549-1" on page 355.
v MCM module 0 at U1.18-P1-C1 if not recorded in "Step 1549-1" on page 355.
v MCM module 2 at U1.18-P1-C4 if not recorded in "Step 1549-1" on page 355.
v MCM module 1 at U1.18-P1-C3 if not recorded in "Step 1549-1" on page 355.
v MCM module 3 at U1.18-P1-C2 if not recorded in "Step 1549-1" on page 355.
Step 1549-6
Turn on the power.
Step 1549-7
Did the system stop with the same error code as recorded in "Step 1549-1" on page 355?
No The book or module just replaced was defective. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
Yes Go to "Step 1549-8."
Step 1549-8
Have all the books or modules listed in "Step 1549-5" been replaced?
No Go to "Step 1549-2" on page 355.
Yes Go to "Step 1549-37" on page 361.
356 Eserver pSeries 690 Service Guide