IBM System x3650 Type 7979 Problem Determination And Service Manual page 39

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 7979 and 1914 server," on page 79 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
3-2-3
3-2-4
3-3-1
3-3-2
Description
Math coprocessor test failed.
Failure comparing CMOS memory size
against actual.
Memory size mismatch occurred.
Critical SMBUS error occurred.
Action
1. (Trained service technician only) Reseat
the microprocessors.
2. Replace the following components, one at
a time, in the order shown, restarting the
server each time:
v (Trained service technician only)
Microprocessors
v (Trained service technician only) System
board
1. Reseat the following components, one at a
time, in the order shown:
a. DIMMs
b. Battery
2. Replace the components listed in step 1,
one at a time, in the order shown.
1. Reseat the following components, one at a
time, in the order shown:
a. DIMMs
b. Battery
2. Replace the components listed in step 1,
one at a time, in the order shown.
1. Disconnect the server power cord from the
outlet and wait 30 seconds; then,
reconnect the power cord and restart the
server.
2. Reseat the following components, one at a
time, in the order shown:
a. DIMMs
b. Hard disk drive backplane
c. Power supply
3. Replace the following components, one at
a time, in the order shown, restarting the
server each time:
a. DIMMs
b. Hard disk drive backplane
c. Power supply
d. (Trained service technician only)
System board
Chapter 2. Diagnostics
21