3.
Disconnect
all
external
cables
and
power
cords.
4.
Remove
the
cover
(see
5.
Remove
the
riser-card
assembly
(see
6.
Remove
the
air
baffle;
then,
remove
the
heat
sink
and
microprocessor
(see
and
7.
Remove
the
four
screws
that
secure
the
heat-sink
retention
module
to
the
system
board;
then,
lift
the
heat-sink
retention
module
from
the
system
board.
8.
If
you
are
instructed
to
return
the
heat-sink
retention
module,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
Installing
a
heat-sink
retention
module
To
install
a
replacement
heat-sink
retention
module,
complete
the
following
steps:
1.
Place
the
heat-sink
retention
module
in
the
microprocessor
location
on
the
system
board.
2.
Install
the
four
screws
that
secure
the
module
to
the
system
board
Attention:
Make
sure
that
you
install
each
heat
sink
with
its
paired
microprocessor.
Chapter
5.
Removing
and
replacing
server
components
161
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