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Symptom
Suggested
action
Expansion
enclosure
problems
Verify
that:
1.
The
cables
for
all
external
SCSI
options
are
connected
correctly.
2.
The
last
option
in
each
SCSI
chain,
or
the
end
of
the
SCSI
cable,
is
terminated
correctly.
3.
Any
external
SCSI
option
is
turned
on.
You
must
turn
on
an
external
SCSI
option
before
turning
on
the
server.
For
more
information,
see
your
SCSI
and
expansion
enclosure
documentation.
The
SCSI
expansion
enclosure
used
to
work
but
does
not
work
now.
Hard
disk
drive
problems
1.
Remove
the
first
drive
not
recognized
and
try
the
hard
disk
diagnostic
test
again.
2.
If
the
remaining
drives
are
recognized,
replace
the
drive
you
removed
with
a
new
one.
Not
all
drives
are
recognized
by
the
hard
disk
diagnostic
test
(Fixed
Disk
test).
System
stops
responding
during
hard
disk
diagnostic.
1.
Remove
the
hard
disk
drive
being
tested
when
the
server
stopped
responding
and
try
the
diagnostic
again.
2.
If
the
hard
disk
diagnostic
runs
successfully,
replace
the
drive
you
removed
with
a
new
one.
Intermittent
problems
Verify
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.
Note:
When
two
servers
are
merged
together
the
CD-ROM,
diskette
drive,
keyboard,
USB
ports,
mouse,
and
video
are
disabled
on
the
secondary
server.
All
or
some
keys
on
the
keyboard
do
not
work.
The
mouse
or
pointing
device
does
not
work.
1.
Verify
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.
Note:
When
two
servers
are
merged
together
the
CD-ROM,
diskette
drive,
keyboard,
USB
ports,
mouse,
and
video
are
disabled
on
the
secondary
server.
USB
keyboard,
mouse,
or
pointing-device
problems.
1.
You
must
connect
a
ps/2
keyboard
to
the
primary
server.
Do
not
connect
a
USB
keyboard
when
two
servers
are
connected
in
a
16-way
configuration.
2.
Make
sure
that
the
keyboard
cable
is
properly
connected
to
the
server.
3.
Make
sure
that
the
server
and
the
monitor
are
turned
on.
4.
Try
using
another
keyboard.
Notes:
1.
After
installing
a
USB
keyboard,
you
might
need
to
use
the
Configuration/Setup
Utility
to
enable
keyboardless
operation
to
prevent
the
POST
error
message
301
from
being
displayed
during
startup.
2.
When
two
servers
are
merged
together
the
CD-ROM,
diskette
drive,
keyboard,
USB
ports,
mouse,
and
video
are
disabled
on
the
secondary
server.
All
or
some
keys
on
the
keyboard
do
not
work.
Symptom-to-FRU
index
175
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