Lenovo TD100X Laptop User Manual


 
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, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” on page 25 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. Replace the lowest-numbered pair of
DIMMs with an identical known good pair of
DIMMs; then, restart the server. If the beep
code error remains, go to 3b. Return one
DIMM at a time from the failed pair to its
connector, restarting the server after each
DIMM to identify the failed DIMM.
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 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.
Chapter 5. Diagnostics 149