IBM 884155U, User Manual

Page: 115 / 210

Note: See “System replaceable units” on page 144 to determine which components should be replaced by a field
service technician.
Beep/symptom FRU/action
1-3-1
(first 64K RAM test failed)
1. Reseat the DIMM
2. Replace the lowest-numbered pair of DIMMs with an identical known good
pair of DIMMs; then, restart the server. If the beep code error remains, go
to 4. Return one DIMM at a time from the failed pair to its connector,
restarting the server after each DIMM, to identify the failed DIMM.
3. DIMM
4. 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
2-2-1
(Interrupt vector loading failed)
v
System board
2-2-2
(Keyboard controller failed)
1. System board
2. Keyboard
2-2-3
(CMOS power failure and checksum
checks failed)
1. Battery
2. Clear CMOS. See “Erasing a lost or forgotten password (clearing CMOS
memory)” on page 99.
3. System board
2-2-4
(CMOS configuration information
validation failed)
1. Battery
2. Clear CMOS. See “Erasing a lost or forgotten password (clearing CMOS
memory)” on page 99.
3. System board
2-3-1
(Screen initialization failed)
v System board
2-3-2
(Screen memory failed)
v
System board
2-3-3
(Screen retrace failed)
v System board
2-3-4
(Search for video ROM failed)
v
System board
2-4-1
(Video failed; system believed
operable)
v
System board
3-1-1
(Timer tick interrupt failed)
v
System board
3-1-2
(Interval timer channel 2 failed)
v System board
Chapter 6. Symptom-to-FRU index
105