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, System x3400 Types 7973, 7974, 7975 and 7976,” on page 87 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 Description Action
1-3-1 First 64 K RAM test failed.
1. Reseat the DIMMs.
2. Replace the following components one at a
time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only) System
board
2-1-1 Secondary DMA register test failed. (Trained service technician only) Replace the
system board.
2-1-2 Primary DMA register test failed. (Trained service technician only) Replace the
system board.
2-1-3 Primary interrupt mask register test
failed.
(Trained service technician only) Replace the
system board.
2-1-4 Secondary interrupt mask register test
failed.
(Trained service technician only) Replace the
system board.
2-4-1 Video failed, system believed to be
operable.
(Trained service technician only) Replace the
system board.
3-1-1 Timer interrupt test failed. (Trained service technician only) Replace the
system board.
3-1-2 Timer 2 test failed. (Trained service technician only) Replace the
system board.
3-1-4 Time-of-day clock failed.
1. Reseat the battery.
2. Replace the following components one at a
time, in the order shown, restarting the
server each time:
a. Battery
b. (Trained service technician only) System
board
3-3-2 Critical SMBUS error occurred.
1. Reseat the DIMMs.
2. Replace the following components one at a
time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only) System
board
Chapter 2. Diagnostics 19
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