Microprocessor
error
symptoms
Note:
See
“System
replaceable
units”
on
page
144
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Symptom
FRU/action
The
server
emits
a
continuous
tone
during
POST.
(The
startup
(boot)
microprocessor
is
not
working
properly.)
1.
Verify
that
the
startup
microprocessor
is
seated
properly.
2.
(Trained
service
technician
only)
Remove
microprocessor
2
and
restart
the
server.
v
If
no
beep
code
occurs,
microprocessor
2
might
have
failed;
replace
the
microprocessor.
v
If
the
beep
code
remains,
remove
microprocessor
1
and
install
microprocessor
2
in
the
connector
for
microprocessor
1;
then,
restart
the
server.
If
no
beep
code
occurs,
microprocessor
1
might
have
failed;
replace
the
microprocessor.
3.
Startup
microprocessor.
Monitor
error
symptoms
Note:
See
“System
replaceable
units”
on
page
144
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Symptom
FRU/action
Monitor
problems
(general).
Some
IBM
monitors
have
their
own
self-tests.
If
you
suspect
a
problem
with
the
monitor,
refer
to
the
information
that
comes
with
the
monitor
for
adjusting
and
testing
instructions.
1.
Monitor.
2.
Run
video
diagnostics.
If
diagnostics
pass,
the
problem
may
be
a
video
driver.
3.
Display
adapter
/
system
board.
126
xSeries
236
Type
8841:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Summary of Contents for 884155U
Page 1: ...xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 2: ......
Page 3: ...xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 20: ...10 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 96: ...86 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 152: ...142 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 160: ...150 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 173: ...Appendix B Safety information 163...
Page 174: ...164 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 175: ...Appendix B Safety information 165...
Page 176: ...166 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 177: ...Appendix B Safety information 167...
Page 178: ...168 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 179: ...Appendix B Safety information 169...
Page 189: ...Appendix B Safety information 179...
Page 190: ...180 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 191: ...Appendix B Safety information 181...
Page 192: ...182 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 196: ...186 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 208: ...198 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 209: ......
Page 210: ...Part Number 25K8114 1P P N 25K8114...