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,
Types
7971
and
7972,”
on
page
59
to
determine
which
components
are
CRUs
and
which
components
are
FRUs.
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
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
banks
of
memory
are
enabled.
The
blade
server
might
have
automatically
disabled
a
memory
bank
when
it
detected
a
problem,
or
a
memory
bank
might
have
been
manually
disabled.
2.
Check
BMC
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.
Reseat
the
following
components:
a.
DIMMs
b.
MPE
unit
(if
one
is
installed)
4.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
blade
server
each
time:
a.
DIMMs
b.
(Trained
service
technician
only)
MPE
board
assembly
(if
one
is
installed)
c.
(Trained
service
technician
only)
System
board
assembly
Microprocessor
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,
Types
7971
and
7972,”
on
page
59
to
determine
which
components
are
CRUs
and
which
components
are
FRUs.
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
blade
server
emits
a
continuous
beep
during
POST,
indicating
that
the
startup
(boot)
microprocessor
is
not
working
correctly.
1.
(Trained
service
technician
only)
Reseat
microprocessor
1.
2.
(Trained
service
technician
only)
Replace
microprocessor
1.
28
BladeCenter
LS21
Type
7971
and
LS41
Type
7972:
Problem
Determination
and
Service
Guide
Summary of Contents for LS21 - BladeCenter - 7971
Page 1: ...BladeCenter LS21 Type 7971 and LS41 Type 7972 Problem Determination and Service Guide...
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Page 130: ...Part Number 24R9695 Printed in USA 1P P N 24R9695...
