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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 3, "Parts listing, Type 7979 and 1914 server," on page 79 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
1-2-3
1-2-4
1-3-1
2-1-1
2-1-2
2-1-3
2-1-4
2-2-1
2-2-2
2-2-3
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.
Interrupt vector loading failed.
Keyboard controller failed.
CMOS power failure and checksum
checks 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, restarting the
server each time:
a. DIMMs
b. (Trained service technician only)
System board
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
(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.
(Trained service technician only) Replace the
system board.
Replace the following components, one at a
time, in the order shown, restarting the server
each time:
1. Keyboard
2. (Trained service technician only) System
board
1. Reseat the battery.
2. 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 2. Diagnostics
19
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