IBM 7785 Hardware Maintenance page 155

MAP 0020
066 (continued)
ARE ANV MEMORV ADAPTERS INSTALLED?
Ves No
110671
Goto Step 070.
You may have a failing memory adapter.
- Turn off the system .
- Remove the memory adapters. Do not remove the system board
memory cards.
- Turn on the system
.
DIO THE FAILING SVMPTOM REMAIN?
Ves No
110691
- lnstall the memory adapters , one at a time (turn off the
system each time) until the failing symptom returns.
- Turn off the system.
- Remove ali memory from the failing adapter.
- Turn on the system .
lf the failure remains, replace the memory adapter; or if the
failure does not remain , install the memory on the adapter, one
card at a time (turn off the system each time), until the failing
symptom returns. Replace the memory card causing the
failure .
(From step 067)
- Turn off the system.
- Reinstall the memory adapters, if removed.
You may have a failing hard disk adapter, hard disk cables, diskette
cable, CD-ROM cable .
- Remove the hard disk adapter, hard disk cables, diskette cable,
and any adapters. Do not remove the system board memory
card s.
138
Service Bay System
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