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Note: See "System" on page 100 to determine which components should be replaced by a field service technician.
Beep/symptom
3-1-1
(Timer tick interrupt failed)
3-1-2
(Interval timer channel 2 failed)
3-1-3
(RAM test failed above address
OFFFFH))
3-1-4
(Time-of-Day clock failed)
3-2-1
(Serial port failed)
3-2-2
(Parallel port failed)
3-2-3
(Math coprocessor test failed)
3-2-4
(Failure comparing CMOS memory
size against actual)
3-3-1
(Memory size mismatch occurred.)
3-3-2
(I2C bus error occurred)
3-3-3
(No memory installed)
No-beep symptoms
Note: See "System" on page 100 to determine which components should be replaced by a field service technician.
No-beep symptom
No beep during POST.
FRU/action
v System board
v System board
1. DIMM
2. System board
1. Battery
2. System board
v System board
v System board
1. Optional microprocessor
2. Microprocessor
3. System board
1. DIMM
2. Battery
3. System board
1. DIMM
2. Battery
3. System board
v System board
1. Install or reseat the memory modules.
2. DIMMs.
3. System board.
FRU/action
v System board
Chapter 7. Symptom-to-FRU index
79
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