Memory problems, Memory, Problems – Lenovo THINKSERVER TS100 6434 User Manual
Page 81
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
the
parts
listing
in
the
Hardware
Maintenance
Manual
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.
1.
Make
sure
that:
v
No
error
LEDs
are
lit
on
the
front-panel
assembly
or
on
the
system
board.
v
The
memory
modules
are
seated
correctly.
v
You
have
installed
the
correct
type
of
memory.
v
If
you
changed
the
memory,
you
updated
the
memory
configuration
in
the
Configuration/Setup
Utility
program.
v
All
DIMMs
are
enabled.
The
server
might
have
automatically
disabled
a
DIMM
when
it
detected
a
problem.
v
If
a
DIMM
was
disabled
by
a
system-management
interrupt
(SMI),
replace
the
DIMM.
2.
Check
the
POST
error
log
for
error
message
289.
If
POST
error
message
289
is
in
the
error
log,
perform
the
actions
listed
in
the
POST
error
codes
table
(see
Otherwise,
continue
to
step
3.
3.
Run
memory
diagnostics
(see
“Running
the
diagnostic
programs”
in
the
Hardware
Maintenance
Manual).
4.
Make
sure
that
there
is
no
memory
mismatch
when
the
server
is
over
the
minimum
memory
configuration
(one
1-GB
DIMM)
and
that
you
have
installed
the
correct
number
of
DIMMs
(see
the
User
Guide
on
the
ThinkServer
Documentation
DVD
for
information
about
the
supported
DIMM
configurations).
5.
Reseat
the
DIMMs.
6.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
DIMMs
b.
(Trained
service
technician
only)
System
board
Chapter
5.
Solving
problems
67