Removing
the
system
board
assembly
Note:
This
section
describes
how
to
remove
components
from
the
blade
server
when
the
system
board
assembly
is
being
replaced;
removing
components
from
the
MPE
unit
when
MPE
board
assembly
is
being
replaced
is
similar.
When
replacing
the
system
board,
you
will
replace
the
system
board
and
blade
base
as
one
assembly.
After
replacement,
you
must
either
update
the
blade
server
with
the
latest
firmware
or
restore
the
pre-existing
firmware
that
the
customer
provides
on
a
diskette
or
CD
image.
Note:
See
“System
board
layouts”
on
page
7
for
information
on
the
locations
of
the
connectors
on
the
system
board.
To
remove
the
system
board
assembly,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
63.
2.
If
the
blade
server
is
installed
in
a
BladeCenter
unit,
remove
it
(see
“Removing
the
blade
server
from
a
BladeCenter
unit”
on
page
65).
3.
Remove
the
blade
server
cover
(see
“Removing
the
blade
server
cover”
on
page
68).
4.
If
an
MPE
unit
is
installed,
remove
the
MPE
unit
(see
“Removing
an
expansion
unit”
on
page
70).
5.
Remove
the
blade
server
bezel
assembly
(see
“Removing
the
bezel
assembly”
on
page
72).
6.
Remove
all
of
the
installed
components
in
the
following
list
from
the
system
board
assembly;
then,
place
them
on
a
non-conductive
surface
or
install
them
on
the
new
system
board
assembly.
v
I/O-expansion
cards.
See
“Removing
and
installing
an
I/O
expansion
card”
on
page
78.
v
Concurrent
KVM
card.
See
“Removing
a
Concurrent
KVM
Feature
Card”
on
page
86.
v
Hard
disk
drive.
See
“Removing
a
SAS
hard
disk
drive”
on
page
74.
v
Microprocessors
and
heat
sinks.
See
“Removing
a
microprocessor
and
heat
sink”
on
page
90.
v
DIMMs.
See
“Removing
a
memory
module”
on
page
76.
7.
If
you
are
instructed
to
return
the
system
board
assembly,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
Chapter
4.
Removing
and
replacing
blade
server
components
95
Содержание LS21 - BladeCenter - 7971
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