No-Beep Symptoms - IBM 84875MU User Manual

Note: See Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Beep/symptom
2-4-1
(Video failed; system believed
operable)
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)
3-2-4
(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 Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
No-beep symptom
No beep during POST.
FRU/action
v System board
v System board
v System board
1. DIMM
2. System board
1. Battery
2. System board
v System board
v System board
1. DIMM
2. Battery
3. System board
1. DIMM
2. Battery
3. System board
v Disconnect server power, wait 30 seconds, and retry.
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