Memory
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
Chapter
3,
“Parts
listing,
Type
8863,”
on
page
93
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
amount
of
system
memory
that
is
displayed
is
less
than
the
amount
of
installed
physical
memory.
Note:
If
you
change
the
memory,
you
must
updated
the
memory
configuration
in
the
Configuration/Setup
Utility
program.
1.
Make
sure
that:
v
No
error
LEDs
are
lit
on
the
operator
information
panel
or
on
the
memory
card.
v
Memory
mirroring
does
not
account
for
the
discrepancy.
v
The
memory
modules
are
seated
correctly.
v
You
have
installed
the
correct
type
of
memory.
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.
2.
Check
the
POST
error
log
for
error
message
289:
v
If
a
DIMM
was
disabled
by
a
system-management
interrupt
(SMI),
replace
the
DIMM.
v
If
a
DIMM
was
disabled
by
the
user
or
by
POST,
run
the
Configuration/Setup
Utility
program
and
enable
the
DIMM.
3.
Run
memory
diagnostics
(see
“Running
the
on-board
diagnostic
programs”
on
page
58).
4.
Make
sure
there
is
no
memory
mismatch
when
the
server
is
at
the
minimum
memory
configuration
(two
1GB
DIMMs;
see
“Minimum
configuration”
on
page
91).
5.
Add
one
pair
of
DIMMs
at
a
time,
making
sure
the
DIMMs
match
for
each
pair
added.
6.
Add
one
memory
card
at
a
time,
making
sure
the
memory
matches
for
each
card
added.
7.
Reseat
the
following
components:
a.
DIMM
b.
Memory
card
8.
Replace
the
components
listed
in
step
7
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
40
IBM
xSeries
366
Type
8863:
Problem
Determination
and
Service
Guide
Summary of Contents for 8863 - eServer xSeries 366
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