Lenovo ThinkServer TS100 Hardware Maintenance Manual page 149

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
1-2-4
1-3-1
2-1-1
2-1-2
2-1-3
2-1-4
2-3-4
3-3-2
Description
RAM refresh verification failed.
First 64 K RAM test failed.
Secondary DMA register failed.
Primary DMA register failed.
Primary interrupt mask register failed.
Secondary interrupt mask register failed. (Trained service technician only) Replace the
Search for video ROM failed.
Critical SMBUS error occurred.
Action
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. 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
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
system board.
(Trained service technician only) Replace the
system board.
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