IBM x3950 Problem Determination And Service Manual page 50

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Type 8878 and 8879," on page 109 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
01298104 Bad update data for processor 4.
0I298200 Processor speed mismatch.
I9990301 Fixed disk sector error.
I9990305 An operating system was not found.
I9990650 AC power has been restored.
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IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
Action
1. Make sure that all microprocessors have the
same cache size (see "Configuration/Setup Utility
menu choices" on page 153).
2. Update the BIOS code again (see "Updating the
firmware" on page 151).
3. (Trained service technician only) Reseat
microprocessor 4.
4. (Trained service technician only) Replace
microprocessor 4.
Make sure that all microprocessors have the same
cache size (see "Configuration/Setup Utility menu
choices" on page 153).
1. Make sure that a bootable operating system is
installed.
2. Reseat the following components:
a. Hard disk drive
b. SAS hard disk drive backplane
c. I/O board
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server
each time.
1. Make sure that a bootable operating system is
installed.
2. Run the hard disk drive diagnostic tests.
3. Reseat the following components:
a. Hard disk drive
b. SAS hard disk drive backplane and cables
c. DVD drive and cables
d. I/O board
4. Replace the components listed in step 3 one at a
time, in the order shown, restarting the server
each time.
1. Check the power cables.
2. Check for interruption of the power supply (see
"Power-supply LEDs" on page 58).
3. Reseat the following components:
a. Power supply
b. (Trained service technician only) Power
backplane
4. Replace the components listed in step 3 one at a
time, in the order shown, restarting the server
each time.