IBM 8308 Computer Hardware User Manual


 
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-X
v
One
beep
v
A
pause
(or
break)
v
Two
beeps
v
A
pause
(or
break)
v
Any
number
of
breaks
4
Four
continuous
beeps
Use
the
following
table
to
diagnose
beep
symptoms.
Beep
Symptom
FRU/Action
1-1-3
CMOS
read-write
error
1.
Run
Setup
2.
System
Board
1-2-2-3
ROM
BIOS
check
error
1.
System
Board
1-2-1
Programmable
Interval
Timer
failed
1.
System
Board
1-2-2
DMA
Initialization
failed
1.
System
Board
1-2-3
DMA
page
register
write/read
failed
1.
System
Board
1-2-4
RAM
refresh
verification
failed
1.
DIMM
2.
System
Board
1-3-3-1
1st
64K
RAM
test
failed
1.
DIMM
2.
System
Board
1-3-2
1st
64K
RAM
parity
test
failed
1.
DIMM
2.
Processor
3.
System
Board
2-2-3-1
Interrupt
vector
loading
test
failed
1.
System
Board
2-1-1
Secondary
DMA
register
failed
1.
System
Board
2-1-2
Primary
DMA
register
failed
1.
System
Board
2-1-3
Primary
interrupt
mask
register
failed
1.
System
Board
2-1-4
Secondary
interrupt
mask
register
failed
1.
System
Board
2-2-1
Interrupt
vector
loading
failed
1.
System
Board
1-3-1-3
Keyboard
controller
failed
1.
System
Board
2.
Keyboard
2-2-3
CMOS
power
failure
and
checksum
checks
failed
1.
Battery
2.
System
Board
Chapter
7.
Symptom-to-FRU
Index
107