IBM LS20 - BladeCenter - 8850, Руководство по 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 3, “Parts listing, Type 8850,” on page 53 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
1-2-2 DMA initialization failed. (Trained service technician only) Replace the
system board assembly.
1-2-3 DMA page register write/read failed. (Trained service technician only) Replace the
system board assembly.
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 assembly
1-3-1 First 64K RAM 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 assembly
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 assembly
2-1-1 Secondary DMA register failed. (Trained service technician only) Replace the
system board assembly.
2-1-2 Primary DMA register failed. (Trained service technician only) Replace the
system board assembly.
2-1-3 Primary interrupt mask register failed. (Trained service technician only) Replace the
system board assembly.
2-1-4 Secondary interrupt mask register failed. (Trained service technician only) Replace the
system board assembly.
2-2-1 Interrupt vector loading failed. (Trained service technician only) Replace the
system board assembly.
Chapter 2. Diagnostics
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