IBM 8480 Hardware Maintenance Manual - Page 97

No-beep, symptoms

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Page 97 highlights

Note: See "System" on page 112 to determine which components should be replaced by a field service technician. Beep/symptom FRU/action 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 3-3-2 (Critical SMBUS error occurred, I2C error.) 1. Disconnect the server power cord from outlet, wait 30 seconds and retry. 2. System board. 3. Microprocessor. 4. DIMMs. 5. DASD backplane. 6. DASD power cable. 3-3-3 (No operational memory in system.) 1. Install or reseat the memory modules, and then do a 3 boot reset. (For more information on a 3 boot reset, see "Using the Configuration/Setup Utility program" on page 9.) 2. DIMMs. 3. System board. No-beep symptoms Note: See "System" on page 112 to determine which components should be replaced by a field service technician. No-beep symptom FRU/action No beep occurs during POST. v System board. No beep, no video, and the system attention LED is off. v System board. Chapter 6. Symptom-to-FRU index 87

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Note:
See
“System”
on
page
112
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Beep/symptom
FRU/action
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
3-3-2
(Critical
SMBUS
error
occurred,
I2C
error.)
1.
Disconnect
the
server
power
cord
from
outlet,
wait
30
seconds
and
retry.
2.
System
board.
3.
Microprocessor.
4.
DIMMs.
5.
DASD
backplane.
6.
DASD
power
cable.
3-3-3
(No
operational
memory
in
system.)
1.
Install
or
reseat
the
memory
modules,
and
then
do
a
3
boot
reset.
(For
more
information
on
a
3
boot
reset,
see
“Using
the
Configuration/Setup
Utility
program”
on
page
9.)
2.
DIMMs.
3.
System
board.
No-beep
symptoms
Note:
See
“System”
on
page
112
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
No-beep
symptom
FRU/action
No
beep
occurs
during
POST.
v
System
board.
No
beep,
no
video,
and
the
system
attention
LED
is
off.
v
System
board.
Chapter
6.
Symptom-to-FRU
index
87