IBM eServer xSeries 205 Type 8480, Hardware Maintenance Manual And Troubleshooting Manual

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Note: See “System” on page 110 to determine which components should be replaced by a field service technician.
Beep/symptom FRU/action
1-2-1 (Programmable Interval Timer
failed.)
v System board.
1-2-2 (DMA page register test failed.)
v System board.
1-2-3 (DMA page register write/read
failed.)
v System board.
1-2-4 (RAM refresh verification
failed.)
1. DIMM.
2. System board
1-3-1 (First 64K RAM test failed.)
v
DIMM.
v
Memory adapter
1-3-2 (First 64K RAM parity test
failed.)
v System board.
v System board
2-1-1 (Secondary DMA register
failed.)
v System board.
2-1-2 (Primary DMA register failed.)
v System board.
2-1-3 (Primary interrupt mask
register failed.)
v System board.
2-1-4 (Secondary interrupt mask
register failed)
v
System board.
2-2-2 (Keyboard controller failed.)
1. Keyboard.
2. System board
2-4-1 (Video failed; screen believed
operable.)
v Extender card.
3-1-1 (Timer tick interrupt failed.)
v System board.
3-1-2 (Interval timer channel 2
failed.)
v System board.
3-1-3 (RAM test failed above
address OFFFFH.)
1. DIMM.
2. System board
3-1-4 (Time-Of-Day clock failed.)
1. Battery.
2. System board
3-2-1 (Serial port failed.)
v System board.
3-2-2 (Parallel port failed.)
v System board.
3-2-4 (Failure comparing CMOS
memory size against actual.)
1. DIMM.
2. System board.
3. Battery.
3-3-1 (Memory size mismatch
occurred.)
1. DIMM.
2. System board.
3. Battery
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IBM xSeries 205 Type 8480: Hardware Maintenance Manual and Troubleshooting Guide