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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, ThinkServer TS100 Machine Types 6431, 6432, 6433, and 6434,” on page 37
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
1-2-4 RAM refresh verification 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
1-3-1 First 64 K RAM test failed.
1. Reseat the DIMMs.
2. Clear CMOS. See “System board jumpers”
on page 14 for information about how to
clear CMOS.
3. 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 failed. (Trained service technician only) Replace the
system board.
2-1-2 Primary DMA register failed. (Trained service technician only) Replace the
system board.
2-1-3 Primary interrupt mask register failed. (Trained service technician only) Replace the
system board.
2-1-4 Secondary interrupt mask register failed. (Trained service technician only) Replace the
system board.
2-3-4 Search for video ROM failed. (Trained service technician only) Replace the
system board.
3-3-2 Critical SMBUS error occurred.
1. Disconnect the power cord, wait 30
seconds, and retry.
2. Reseat the following components:
a. DIMM
b. System b
c. oard
3. Replace the following components one at a
time, in the order shown, restarting the
server each time:
a. DIMM
b. (Trained service technician only) System
board
Chapter 5. Diagnostics 131