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Table 2. Abbreviated list of POST error codes (continued)
v Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved.
v See the parts listing in the Problem Determination and Service Guide to determine
which components are customer replaceable units (CRU) and which components
are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must
be performed only by a trained service technician.
Error code Description Action
178x Fixed disk error.
Note: x is the drive that has the
error.
1. Run the hard disk drive
diagnostic tests on drive x (see
“Running the diagnostic
programs” in the Problem
Determination and Service
Guide on the IBM xSeries
Documentation CD).
2. Reseat the following
components, depending on the
server model:
v Hot-swap models:
a. Hard disk drive x
b. Mini-PCI-X adapter cable
c. Mini-PCI-X adapter
d. PCI-X expansion card
v
Simple-swap models:
a. Hard disk drive x
b. Hard disk drive x cable
v
Non-hot-swap models: hard
disk drive x cable
3.
Replace the following
components one at a time,
depending on the server
model, in the order shown,
restarting the server each time:
v Hot-swap models:
a. Hard disk drive x
b. Mini-PCI-X adapter cable
c. SAS backplane
d. Mini-PCI-X adapter
e. PCI-X expansion card
v
Simple-swap and
non-hot-swap models:
a. Hard disk drive x
b. Hard disk drive x cable
4.
(Trained service technician
only) Replace the system
board.
Chapter 5. Solving problems 55