IBM System x3950 Type 8878 Service Manual page 84

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 23 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.
Beep code
3-3-2
3-3-3
Two short beeps
68
IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
Description
Critical SMBUS error occurred.
No operational memory in system.
Information only, configuration has
changed.
Action
1. Disconnect power cord, wait 30 seconds,
and retry.
2. Reseat the following components:
a. DIMM
b. Memory card
c. Microprocessor tray
d. I/O board
3. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. DIMM
b. Memory card
c. (Trained service technician only)
Microprocessor tray
d. I/O board
Note: Make sure you re-enable the memory in
the Configuration/Setup Utility program. See,
"Memory problems" on page 94
1. Make sure that all memory cards contain
the correct number of DIMMs; install or
reseat DIMMS; then, restart the server.
2. Reseat the following components:
a. DIMM
b. Memory card
c. Microprocessor tray
3. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. DIMM
b. Memory card
c. (Trained service technician only)
Microprocessor tray
1. Run the Configuration/Setup Utility program.
2. Run the diagnostic programs.