IBM 8676 Hardware Maintenance Manual - Page 91

FRU/action

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Page 91 highlights

Note: See "System" on page 112 to determine which components should be replaced by a field service technician. Beep/symptom FRU/action 2-4-1 (Video failed; screen 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 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 3-2-3 (Math coprocessor test failed) 1. Microprocessor 2. 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) 1. Disconnect the server power cord from outlet, wait 30 seconds and retry. 2. System board. 3. DIMMs. 4. DASD backplane. 5. DASD power cable. 3-3-3 (No operational memory in system) Note: In some memory configurations, the 3-3-3 beep code might sound during POST followed by a blank display screen. If this 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. occurs and the Boot Fail Count feature in the Start Options of the Configuration/Setup Utility is set to Enabled (its default setting), you must restart the server three times to force the system BIOS code to reset the memory connector or bank of connectors from Disabled to Enabled. Chapter 6. Symptom-to-FRU index 81

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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
2-4-1
(Video
failed;
screen
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
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
3-2-3
(Math
coprocessor
test
failed)
1.
Microprocessor
2.
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)
1.
Disconnect
the
server
power
cord
from
outlet,
wait
30
seconds
and
retry.
2.
System
board.
3.
DIMMs.
4.
DASD
backplane.
5.
DASD
power
cable.
3-3-3
(No
operational
memory
in
system)
Note:
In
some
memory
configurations,
the
3-3-3
beep
code
might
sound
during
POST
followed
by
a
blank
display
screen.
If
this
occurs
and
the
Boot
Fail
Count
feature
in
the
Start
Options
of
the
Configuration/Setup
Utility
is
set
to
Enabled
(its
default
setting),
you
must
restart
the
server
three
times
to
force
the
system
BIOS
code
to
reset
the
memory
connector
or
bank
of
connectors
from
Disabled
to
Enabled
.
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.
Chapter
6.
Symptom-to-FRU
index
81