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Notes:
1.
Damaged
data
in
CMOS
can
cause
undetermined
problems.
To
reset
the
CMOS,
remove
the
battery
for
15
minutes,
and
then
reinstall
the
battery.
2.
Damaged
data
in
BIOS
code
can
cause
undetermined
problems.
v
Flash
the
system
with
the
latest
BIOS
code.
v
If
the
system
appears
inoperative,
recover
the
BIOS
(see
“Recovering
the
BIOS
code”
on
page
30).
Check
the
LEDs
on
all
the
power
supplies
of
the
BladeCenter
unit
where
the
blade
server
is
installed.
If
the
LEDs
indicate
the
power
supplies
are
working
correctly,
and
reseating
the
blade
server
does
not
correct
the
problem,
complete
the
following
steps:
1.
Check
that
the
front
panel
is
connected
to
the
system
board.
2.
If
no
LEDs
on
the
front
panel
are
working,
replace
the
front
panel;
then,
try
to
turn
on
the
blade
server
from
the
BladeCenter
web
interface
(see
the
BladeCenter
documentation
for
more
information).
3.
Turn
off
the
blade
server.
4.
Remove
the
blade
server
and
remove
the
cover.
5.
Remove
or
disconnect
the
following
devices
(one
at
a
time)
until
you
find
the
failure
(reinstall,
turn
on
and
reconfigure
the
blade
server
each
time):
v
I/O
adapter
v
Drives
v
Memory
modules
(minimum
requirement
=
two
256
MB
DIMMs)
The
following
components
are
required,
at
a
minimum,
for
the
blade
server
to
operate:
v
System
board
v
One
microprocessor
v
Memory
(with
a
minimum
of
two
256
MB
DIMMs)
v
A
functioning
BladeCenter
6.
Install
and
turn
on
the
blade
server.
If
the
problem
remains,
suspect
the
following
FRUs
in
the
order
listed:
v
DIMM
v
System
board
v
Microprocessor
Notes:
1.
If
the
problem
is
solved
when
you
remove
an
I/O
adapter
from
the
blade
server
and
replacing
that
I/O
adapter
does
not
correct
the
problem,
suspect
the
system
board.
2.
If
you
suspect
a
networking
problem
and
the
blade
server
passes
all
the
system
tests,
suspect
a
network
cabling
problem
external
to
the
blade
server.
Problem
determination
tips
Because
of
the
variety
of
hardware
and
software
combinations
that
can
be
encountered,
use
the
following
information
to
assist
you
in
problem
determination.
If
possible,
have
this
information
available
when
requesting
assistance
from
Service
Support
and
Engineering
functions.
v
Machine
type
and
model
v
Microprocessor
or
hard
disk
upgrades
v
Failure
symptom:
–
Does
the
server
fail
the
diagnostics
tests?
–
What,
when,
where,
single,
or
multiple
servers?
–
Is
the
failure
repeatable?
–
Has
this
configuration
ever
worked?
102
BladeCenter
HS40
Type
8839:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide