IBM x3655 Service Guide - Page 109

Installing, heat-sink, retention, module

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3. Disconnect all external cables and power cords. 4. Remove the cover (see "Removing the cover" on page 39). 5. Remove the riser-card assembly (see "Removing the riser-card assembly" on page 84). 6. Remove the air baffle; then, remove the heat sink and microprocessor (see "Removing the air baffle" on page 41 and "Removing a microprocessor" on page 87). 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 3. Removing and replacing server components 91

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3.
Disconnect
all
external
cables
and
power
cords.
4.
Remove
the
cover
(see
“Removing
the
cover”
on
page
39).
5.
Remove
the
riser-card
assembly
(see
“Removing
the
riser-card
assembly”
on
page
84).
6.
Remove
the
air
baffle;
then,
remove
the
heat
sink
and
microprocessor
(see
“Removing
the
air
baffle”
on
page
41
and
“Removing
a
microprocessor”
on
page
87).
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
3.
Removing
and
replacing
server
components
91