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 x3500 Type 7977,” on page 41 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 1st 64K 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 you
reinstall 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. DIMM
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.
2-4-1 Video failed; screen believed operable. (Trained service technician only) Replace the
system board.
3-1-1 Timer tick interrupt failed. (Trained service technician only) Replace the
system board.
3-1-2 Interval timer channel 2 failed. (Trained service technician only) Replace the
system board.
3-1-4 Time-of-day clock failed.
1. Reseat the battery.
2. Clear CMOS memory. See “System-board
internal connectors and switches” on page 8
for information about how to clear CMOS
memory.
3. 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
Chapter 5. Diagnostics 97