Memory
error
symptoms
Note:
See
“System”
on
page
108
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Symptom
FRU/action
The
amount
of
system
memory
displayed
is
less
than
the
amount
of
physical
memory
installed.
1.
Verify
that:
v
Memory
mirroring
is
not
enabled.
v
The
memory
modules
are
seated
properly.
v
You
have
installed
the
correct
type
of
memory.
v
If
you
changed
the
memory,
you
updated
the
memory
configuration
with
the
Configuration/Setup
Utility
program.
v
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.
2.
Check
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:
a.
Start
the
Configuration/Setup
Utility
program.
b.
Enable
the
DIMM.
c.
Save
the
configuration
and
restart
the
server.
3.
DIMM.
4.
System
board.
Microprocessor
error
symptoms
Note:
See
“System”
on
page
108
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.
Startup
microprocessor.
Monitor
error
symptoms
Note:
See
“System”
on
page
108
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.
94
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Summary of Contents for 884015U
Page 1: ...xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 2: ......
Page 3: ...xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 8: ...vi xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 18: ...8 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 82: ...72 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 139: ...Appendix B Safety information 129...
Page 140: ...130 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 141: ...Appendix B Safety information 131...
Page 142: ...132 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 143: ...Appendix B Safety information 133...
Page 155: ...Appendix B Safety information 145...
Page 156: ...146 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 157: ...Appendix B Safety information 147...
Page 158: ...148 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 164: ...154 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 170: ...160 xSeries 346 Types 8840 and 1880 Hardware Maintenance Manual and Troubleshooting Guide...
Page 175: ......
Page 176: ...Part Number 25K8115 Printed in USA 1P P N 25K8115...