IBM 8862 User Manual - Page 64

Memory, problems, Microprocessor, Monitor

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Memory problems Symptom The amount of system memory displayed is less than the amount of physical memory installed. Suggested action Make sure that: v The DIMMs are seated correctly. v You have installed the correct type and capacity of memory. v You have installed the DIMMs in the correct slots, in the correct order. v If you changed the memory, you updated the memory configuration in the Configuration/Setup Utility program. v All banks of memory are enabled. The server might have automatically disabled a memory bank when it detected a problem, or a memory bank might 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, run the Configuration/Setup Utility program and enable the DIMM. v If this error remains, replace the DIMM. If the problem remains, call for service. Microprocessor problems Symptom The server emits a continuous tone during POST. Suggested action The startup (boot) microprocessor is not working correctly. Make sure that the startup microprocessor is seated correctly in socket 1. If it is, replace the startup microprocessor. If the problem remains, call for service. 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. Symptom The screen is blank. Suggested action Make sure that: v The server power cord is connected to the server and a working electrical outlet. v The monitor cables are connected correctly. v The monitor is turned on and the brightness and contrast controls are adjusted correctly. Important: In some memory configurations, the 3-3-3 beep code might sound during POST, followed by a blank monitor screen. If this occurs and the Boot Fail Count feature in the Start Options of the Configuration/Setup Utility program is enabled (its default setting), you must restart the server three times to force the BIOS to reset the configuration settings to the default configuration (the memory connector or bank of connectors enabled). Only the cursor appears. If the problem remains, call for service. Call for service. 52 xSeries 365 Type 8861 and 8862: Installation Guide

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Memory
problems
Symptom
Suggested
action
The
amount
of
system
memory
displayed
is
less
than
the
amount
of
physical
memory
installed.
Make
sure
that:
v
The
DIMMs
are
seated
correctly.
v
You
have
installed
the
correct
type
and
capacity
of
memory.
v
You
have
installed
the
DIMMs
in
the
correct
slots,
in
the
correct
order.
v
If
you
changed
the
memory,
you
updated
the
memory
configuration
in
the
Configuration/Setup
Utility
program.
v
All
banks
of
memory
are
enabled.
The
server
might
have
automatically
disabled
a
memory
bank
when
it
detected
a
problem,
or
a
memory
bank
might
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,
run
the
Configuration/Setup
Utility
program
and
enable
the
DIMM.
v
If
this
error
remains,
replace
the
DIMM.
If
the
problem
remains,
call
for
service.
Microprocessor
problems
Symptom
Suggested
action
The
server
emits
a
continuous
tone
during
POST.
The
startup
(boot)
microprocessor
is
not
working
correctly.
Make
sure
that
the
startup
microprocessor
is
seated
correctly
in
socket
1.
If
it
is,
replace
the
startup
microprocessor.
If
the
problem
remains,
call
for
service.
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.
Symptom
Suggested
action
The
screen
is
blank.
Make
sure
that:
v
The
server
power
cord
is
connected
to
the
server
and
a
working
electrical
outlet.
v
The
monitor
cables
are
connected
correctly.
v
The
monitor
is
turned
on
and
the
brightness
and
contrast
controls
are
adjusted
correctly.
Important:
In
some
memory
configurations,
the
3-3-3
beep
code
might
sound
during
POST,
followed
by
a
blank
monitor
screen.
If
this
occurs
and
the
Boot
Fail
Count
feature
in
the
Start
Options
of
the
Configuration/Setup
Utility
program
is
enabled
(its
default
setting),
you
must
restart
the
server
three
times
to
force
the
BIOS
to
reset
the
configuration
settings
to
the
default
configuration
(the
memory
connector
or
bank
of
connectors
enabled).
If
the
problem
remains,
call
for
service.
Only
the
cursor
appears.
Call
for
service.
52
xSeries
365
Type
8861
and
8862:
Installation
Guide