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Symptom
Suggested
action
The
USB
mouse
or
USB
pointing
device
does
not
work.
1.
Verify
that
the
mouse
or
pointing-device
USB
cable
is
securely
connected
and
the
device
drivers
are
installed
correctly.
2.
Make
sure
that
the
system
and
the
monitor
are
turned
on.
3.
Ensure
that
the
USB
mouse
support
is
enabled
in
BIOS.
4.
If
a
USB
hub
is
in
use,
disconnect
the
USB
device
from
the
hub
and
connect
it
directly
to
the
server.
5.
Ensure
that
the
USB
device
is
not
connected
to
the
secondary
server
in
a
merged
configuration.
6.
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.
Memory
problems
Verify
that:
1.
The
memory
modules
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
a
system-management
interrupt
(SMI),
replace
the
DIMM.
v
If
the
DIMM
was
disabled
by
the
user
or
by
POST:
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
the
startup
microprocessor
is
seated
properly.
If
it
is,
replace
the
startup
microprocessor.
The
server
emits
a
continuous
tone
during
POST.
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
diagnostics.
If
diagnostics
pass,
the
problem
may
be
a
video
driver.
3.
Display
Adapter
/
I/O
board.
Testing
the
monitor.
176
xSeries
440
Type
8687:
Hardware
Maintenance
Manual
Summary of Contents for xSeries 440 8687
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