IBM 7943, Руководство по диагностике и обслуживанию

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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 4, “Parts listing, System x3655, Type 7985 and 7943,” on page 93 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 First 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 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
1-3-2 First 64K RAM parity test 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
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.
2-2-1 Interrupt vector loading failed. (Trained service technician only) Replace the
system board.
2-2-2 Keyboard controller failed.
1. Reseat the keyboard.
2. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. Keyboard
b. (Trained service technician only) System
board
Chapter 3. Diagnostics
21