IBM xSeries 440 8687, Hardware Maintenance Manual

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Beep symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following examples.
Beeps Description
1-2-3
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Three beeps
4 Four continuous beeps
One beep after successfully completing POST indicates the system is functioning
properly.
Beep/symptom FRU/action
1-1-2 (Microprocessor register test has
failed.)
1. Microprocessor
2. SMP board
1-1-3 (CMOS write/read test failed)
1. Battery
2. I/O board
1-1-4 (BIOS ROM checksum failed)
v I/O board
1-2-1 (Programmable Interval Timer
failed)
v
I/O board
1-2-2 (DMA initialization failed)
v I/O board
1-2-3 (DMA page register write/read
failed)
v I/O board
1-2-4 (RAM refresh verification failed)
1. DIMM
2. SMP board
1-3-1 (1st 64K RAM test failed)
1. DIMM
2. SMP board
1-3-2 (First 64 Kb RAM parity test has
failed)
1. DIMM
2. SMP board
1-4-3 (Interrupt vector loading test has
failed)
1. I/O board
2. PCI-X board
2-1-1 (Secondary DMA register failed)
v I/O board
2-1-2 (Primary DMA register failed)
v I/O board
2-1-3 (Primary interrupt mask register
failed)
1. I/O board
2. SMP board
2-1-4 (Secondary interrupt mask register
failed)
1. I/O board
2. SMP board
2-2-2 (Keyboard controller failed)
1. I/O board
2. Centerplane
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xSeries 440 Type 8687: Hardware Maintenance Manual