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Symptom
Suggested
action
Intermittent
problems
Make
sure
that:
1.
All
cables
and
cords
are
connected
securely
to
the
rear
of
the
server
and
attached
options.
2.
When
the
server
is
turned
on,
air
is
flowing
from
the
rear
of
the
server
at
the
fan
grill.
If
there
is
no
air
flow,
the
fan
is
not
working.
This
causes
the
server
to
overheat
and
shut
down.
3.
Ensure
that
the
SCSI
bus
and
devices
are
configured
correctly
and
that
the
last
external
device
in
each
SCSI
chain
is
terminated
correctly.
A
problem
occurs
only
occasionally
and
is
difficult
to
detect.
Keyboard,
mouse,
or
pointing-device
problems.
1.
Make
sure
that
the
keyboard
cable
is
properly
connected
to
the
server.
2.
Make
sure
that
the
server
and
the
monitor
are
turned
on.
3.
Try
using
another
keyboard.
All
or
some
keys
on
the
keyboard
do
not
work.
The
mouse
or
pointing
device
does
not
work.
1.
Make
sure
that
the
mouse
or
pointing-device
cable
is
securely
connected
and
the
device
drivers
are
installed
correctly.
2.
Try
using
another
mouse
or
pointing
device.
Memory
problems
Make
sure
that:
1.
DIMMs
are
seated
properly.
2.
You
have
installed
the
correct
type
of
memory.
3.
If
you
changed
the
memory,
you
updated
the
memory
configuration
with
the
Configuration/Setup
Utility
program.
4.
All
banks
of
memory
on
the
DIMMs
are
enabled.
The
server
might
have
automatically
disabled
a
DIMM
bank
when
it
detected
a
problem,
or
a
DIMM
bank
could
have
been
manually
disabled.
Look
in
the
POST
error
log
for
error
message
289:
v
If
the
DIMM
was
disabled
by
the
user
or
by
SAL/EFI:
1.
Start
the
Configuration/Setup
Utility
program.
2.
Enable
the
DIMM.
3.
Save
the
configuration
and
restart
the
server.
v
If
you
continue
to
get
this
error,
replace
the
DIMM.
The
amount
of
system
memory
displayed
is
less
than
the
amount
of
physical
memory
installed.
Microprocessor
problems
The
startup
(boot)
microprocessor
is
not
working
properly.
Verify
that
all
microprocessors
are
seated
properly.
If
they
are,
replace
the
failed
microprocessors.
The
server
indicates
a
microprocessor
error
during
POST.
The
server
does
not
recognize
all
installed
processors
(loose
connection;
bent
pin(s)
on
processor(s))
1.
Reseat
microprocessors
and
power
modules.
2.
Check
for
bent
pins
on
microprocessors.
3.
Check
cable
connections
from
processor
board
to
power
modules.
Monitor
problems
Some
IBM
monitors
have
their
own
self-tests.
If
you
suspect
a
problem
with
your
monitor,
see
the
information
that
comes
with
the
monitor
for
adjusting
and
testing
instructions.
1.
Monitor.
2.
Run
the
AMIDiag
program.
If
diagnostics
pass,
the
problem
might
be
a
video
driver.
3.
I/O
board.
Testing
the
monitor.
The
screen
is
blank.
Make
sure
that:
1.
The
server
power
cord
is
plugged
into
the
server
and
a
working
electrical
outlet.
2.
The
monitor
cables
are
connected
properly.
3.
The
monitor
is
turned
on
and
the
brightness
and
contrast
controls
are
adjusted
correctly.
Chapter
6.
Symptom-to-FRU
index
177