IBM pSeries 670, Service Manual

Page: 310 / 1032

MAP 1548: Memory and Processor Problem Isolation
Step 1548-1
Record the error code and the location code(s) that sent you to this MAP.
Step 1548-2
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 1548-3
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to “Step 1548-4”.
No Call for support.
Step 1548-4
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 1548-1”.
v
Second location code item recorded, if any, in “Step 1548-1”.
v
Third location code item recorded, if any, in “Step 1548-1”.
v
Memory book 0 at U1.18-P1-M2 if not recorded in “Step 1548-1”.
v
Memory book 1 at U1.18-P1-M3 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C6 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C7 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C10 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C11 if not recorded in “Step 1548-1”.
v
Passthru module at U1.18-P1-C2 if not recorded in “Step 1548-1”.
v
Passthru module at U1.18-P1-C3 if not recorded in “Step 1548-1”.
v
MCM module 0 at U1.18-P1-C1 if not recorded in “Step 1548-1”.
v Memory book 2 at U1.18-P1-M7 if not recorded in “Step 1548-1”.
v Memory book 3 at U1.18-P1-M6 if not recorded in “Step 1548-1”.
v Memory book 4 at U1.18-P1-M4 if not recorded in “Step 1548-1”.
v Memory book 5 at U1.18-P1-M8 if not recorded in “Step 1548-1”.
v Memory book 6 at U1.18-P1-M5 if not recorded in “Step 1548-1”.
v Memory book 7 at U1.18-P1-M1 if not recorded in “Step 1548-1”.
v L3 module at U1.18-P1-C5 if not recorded in “Step 1548-1”.
v L3 module at U1.18-P1-C8 if not recorded in “Step 1548-1”.
v L3 module at U1.18-P1-C9 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C12 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C13 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C14 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C15 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C16 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C17 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C18 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C19 if not recorded in “Step 1548-1”.
v
L3 module at U1.18-P1-C20 if not recorded in “Step 1548-1”.
v
MCM module 2 at U1.18-P1-C4 if not recorded in “Step 1548-1”.
v
MCM module 1 at U1.18-P1-C3 if not recorded in “Step 1548-1”.
v
MCM module 3 at U1.18-P1-C2 if not recorded in “Step 1548-1”.
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pSeries 670 Service Guide