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
1885
and
8853,”
on
page
15
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.
Lit
light
path
diagnostics
LED
Description
Action
MIS
(Microprocessor
mismatch)
The
microprocessors
do
not
match.
Make
sure
that
microprocessors
1
and
2
are
identical
(number
of
cores,
cache
size
and
type,
clock
speed,
internal
and
external
clock
frequencies);
also,
see
“Troubleshooting
tables”
on
page
80.
NMI
(NMI
error)
The
system
board
has
failed.
1.
Replace
the
blade
server
cover,
reinsert
the
blade
server
in
the
BladeCenter
unit,
and
then
restart
the
blade
server.
Check
the
BMC
log
for
information
about
the
error.
2.
(Trained
service
technician
only)
Replace
the
system
board
assembly.
S
BRD
(System
board
error)
The
system
board
has
failed
(Trained
service
technician
only)
Replace
the
system
board
assembly.
TEMP
(Over
temperature
error)
The
system
temperature
has
exceeded
a
threshold
level.
1.
Check
the
function
of
the
shared
BladeCenter
unit
resources
(see
“Solving
shared
BladeCenter
resource
problems”
on
page
108).
2.
Make
sure
that
the
room
temperature
is
not
too
high.
See
“Features
and
specifications”
on
page
3
for
temperature
information.
SAS
hard
disk
drive
error
A
hard
disk
drive
has
failed.
Run
the
SAS
Fixed
Disk
or
SAS
Attached
Disk
diagnostic
test.
If
the
diagnostics
pass
but
the
drive
continues
to
have
a
problem,
replace
the
hard
disk
drive
with
a
new
one.
Diagnostic
programs,
messages,
and
error
codes
The
diagnostic
programs
are
the
primary
method
of
testing
the
major
components
of
the
blade
server.
As
you
run
the
diagnostic
programs,
text
messages
and
error
codes
are
displayed
on
the
screen
and
are
saved
in
the
test
log.
A
diagnostic
text
message
or
error
code
indicates
that
a
problem
has
been
detected;
to
determine
what
action
you
should
take
as
a
result
of
a
message
or
error
code,
see
the
table
in
“Diagnostic
error
codes”
on
page
100.
If
you
cannot
find
the
problem
using
the
diagnostic
programs,
see
“Solving
undetermined
problems”
on
page
112
for
information
about
testing
the
blade
server.
Chapter
5.
Diagnostics
97
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