IBM 84903bu User Manual - Page 83

Microprocessor, problems, Monitor

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Microprocessor problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action The server emits a continuous beep during POST, indicating that the startup (boot) microprocessor is not working correctly. 1. Make sure that the microprocessor is supported on this server. 2. (Trained service technician only) Reseat the microprocessor. 3. Replace the following components one at a time, in the order shown, restarting the server each time: a. (Trained service technician only) Microprocessor b. (Trained service technician only) System board 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 instructions for testing and adjusting the monitor. If you cannot diagnose the problem, call for service. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action Testing the monitor 1. Make sure that the monitor cables are firmly connected. 2. Try using a different monitor on the server, or try using the monitor that is being tested on a different server. 3. Run the diagnostic programs. If the monitor passes the diagnostic programs, the problem might be a video device driver. 4. Reseat the Remote Supervisor Adapter II (if one is present). 5. Replace the following components one at a time, in the order shown, restarting the server each time: a. Remote Supervisor Adapter II (if one is present) b. (Trained service technician only) System board Chapter 5. Solving problems 69

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Microprocessor
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Problem
Determination
and
Service
Guide
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
The
server
emits
a
continuous
beep
during
POST,
indicating
that
the
startup
(boot)
microprocessor
is
not
working
correctly.
1.
Make
sure
that
the
microprocessor
is
supported
on
this
server.
2.
(Trained
service
technician
only)
Reseat
the
microprocessor.
3.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
(Trained
service
technician
only)
Microprocessor
b.
(Trained
service
technician
only)
System
board
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
instructions
for
testing
and
adjusting
the
monitor.
If
you
cannot
diagnose
the
problem,
call
for
service.
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Problem
Determination
and
Service
Guide
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
Testing
the
monitor
1.
Make
sure
that
the
monitor
cables
are
firmly
connected.
2.
Try
using
a
different
monitor
on
the
server,
or
try
using
the
monitor
that
is
being
tested
on
a
different
server.
3.
Run
the
diagnostic
programs.
If
the
monitor
passes
the
diagnostic
programs,
the
problem
might
be
a
video
device
driver.
4.
Reseat
the
Remote
Supervisor
Adapter
II
(if
one
is
present).
5.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Remote
Supervisor
Adapter
II
(if
one
is
present)
b.
(Trained
service
technician
only)
System
board
Chapter
5.
Solving
problems
69