IBM System x3350 Type 4192 Problem Determination And Service Manual page 135

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 x3350 Type 4192 and 4193 server," on page 45 to determine which
components are CRUs and which components are FRUs.
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
1-2-3
1-2-4
1-3-1
2-1-1
2-1-2
2-1-3
2-1-4
2-3-4
Description
DMA page register write/read failed.
RAM refresh verification failed.
1st 64K RAM test failed.
Secondary DMA register failed.
Primary DMA register failed.
Primary interrupt mask register failed.
Secondary interrupt mask register failed.
Search for video ROM failed.
Action
(Trained service technician only) Replace the
system board.
1. Reseat the DIMMs.
2. Replace the following components, one at
a time, in the order shown:
a. DIMMs
b. (Trained service technician only)
System board
1. Reseat the DIMMs.
2. Replace the lowest-numbered pair of
DIMMS with an identical known good pair
of DIMMs; then, restart the server. Return
one DIMM at a time from the failed pair to
its connector, restarting the sever after
each DIMM, to identify the failed DIMM.
3. Replace the following components, one at
a time, in the order shown:
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.
(Trained service technician only) Replace the
system board.
1. Reinstall the BIOS.
2. (Trained service technician only) Replace
the system board.
Chapter 5. Diagnostics
117