Map 1547: I/O Book Problem Isolation - IBM pSeries 690 Service Manual

MAP 1547: I/O Book Problem Isolation

Step 1547-1
Record the error code and the location code(s) that sent you to this MAP.
Step 1547-2
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 1547-3
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 1547-4".
No Call for support.
Step 1547-4
Replace the following books, if present, one at a time:
v Primary I/O Book at U1.18-P1-H2
v Secondary I/O Book at U1.18-P1-H3
v Third I/O Book at U1.18-P1–H4
v Fourth I/O Book at U1.18-P1-H1
Step 1547-5
Turn on the power.
Step 1547-6
Did the system stop with the same error code as recorded in "Step 1547-1"?
Yes Go to "Step 1547-7".
No The book 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.
Step 1547-7
Have all the books or modules listed in "Step 1547-4" been replaced?
Yes Go to "Step 1547-8".
No Go to "Step 1547-2".
Step 1547-8
Turn off the power.
Step 1547-9
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 1547-10
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 1547-11".
No Call for support.
Step 1547-11
Attention: Before replacing the system backplane, call for support.
Replace the system backplane at U1.18-P1.
Chapter 3. Maintenance Analysis Procedures
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