IBM 326m Hardware Maintenance Manual - Page 96

Memory, problems, Symptom, FRU/action, Verify, Microprocessor, startup, microprocessor, seated,

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Page 96 highlights

Note: See "System" on page 100 to determine which components should be replaced by a field service technician. Memory problems Symptom FRU/action The amount of system memory displayed is less than the amount of physical memory installed. 1. Verify that: 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. Note: See "System" on page 100 to determine which components should be replaced by a field service technician. Microprocessor problems 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. Note: See "System" on page 100 to determine which components should be replaced by a field service technician. Monitor problems Symptom FRU/action Testing the monitor. v See the information that comes with the monitor for adjusting and testing instructions. (Some IBM monitors have their own self-tests.) 86 326m Type 7969: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See
“System”
on
page
100
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Memory
problems
Symptom
FRU/action
The
amount
of
system
memory
displayed
is
less
than
the
amount
of
physical
memory
installed.
1.
Verify
that:
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.
Note:
See
“System”
on
page
100
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Microprocessor
problems
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.
Note:
See
“System”
on
page
100
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Monitor
problems
Symptom
FRU/action
Testing
the
monitor.
v
See
the
information
that
comes
with
the
monitor
for
adjusting
and
testing
instructions.
(Some
IBM
monitors
have
their
own
self-tests.)
86
326m
Type
7969:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide