Troubleshooting Tables - IBM 9228 - IntelliStation Z - Pro Installation Manual

Table 2. 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 part 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
012980xx Microprocessor 1 error.
012981xx Microprocessor 2 error.
I9990650 AC power has been restored.
Other POST found an error.
numbers

Troubleshooting tables

Use the troubleshooting tables to find solutions to problems that have identifiable
symptoms.
If you cannot find the problem in these tables, see "Running the diagnostic
programs" and " Viewing the test log" in the Problem Determination and Service
Guide on the IBM IntelliStation Documentation CD for information about testing the
computer.
Action
1. Verify both microprocessors have the same cache
size and type, and the same clock size,
2. Download and update the BIOS code. For
information about downloading and updating the
BIOS code, see the Problem Determination and
Service Guide on the IBM IntelliStation
Documentation CD.
3. Replace the following components one at a time,
in the order shown, restarting the computer each
time:
a. (Trained service technician only)
Microprocessor 1
b. (Trained service technician only) System board
1. Verify both microprocessors have the same cache
size and type, and the same clock size,
2. Download and update the BIOS code. For
information about downloading and updating the
BIOS code, see the Problem Determination and
Service Guide on the IBM IntelliStation
Documentation CD.
3. Replace the following components one at a time,
in the order shown, restarting the computer each
time:
a. (Trained service technician only)
Microprocessor 2
b. (Trained service technician only) System board
1. Reseat the power cord.
2. (Trained service technician only) Check for
interruption of the external power.
3. Replace the power cord.
Follow the instructions on the screen.
Chapter 5. Solving problems
37