IBM HS20 User Guide - Page 43

screwdriver

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Lever closed Lever fully open d. Center the microprocessor over the microprocessor socket. Align the triangle on the corner of the microprocessor with the triangle on the corner of the socket and carefully press the microprocessor into the socket. Attention: v Do not use excessive force when pressing the microprocessor into the socket. v Make sure that the microprocessor is oriented and aligned correctly in the socket before you try to close the lever. e. Carefully close the lever to secure the microprocessor in the socket. 9. Install a heat sink on the microprocessor: Attention: v Do not set down the heat sink after you remove the plastic cover. v Do not touch the thermal grease on the bottom of the heat sink. Touching the thermal grease will contaminate it. If the thermal grease on the microprocessor or heat sink becomes contaminated, contact your service technician. Heat sink Thermal grease a. Remove the plastic protective cover from the bottom of the heat sink. b. Align and place the heat sink on top of the microprocessor in the retention bracket, grease side down. Press firmly on the heat sink. c. Using a screwdriver, secure the heat sink to the retention bracket on the system board using the two captive mounting screws. Press firmly on the screws and tighten them, alternating between them. Do not overtighten the screws. If you are using a torque wrench, tighten the screws to 8.5 to 13 Newton-meters (Nm) (6.3 to 9.6 foot-pounds). 10. If you have other options to install or remove, do so now; otherwise, go to "Completing the installation" on page 35. Chapter 3. Installing options 29

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Lever closed
Lever
fully
open
d.
Center
the
microprocessor
over
the
microprocessor
socket.
Align
the
triangle
on
the
corner
of
the
microprocessor
with
the
triangle
on
the
corner
of
the
socket
and
carefully
press
the
microprocessor
into
the
socket.
Attention:
v
Do
not
use
excessive
force
when
pressing
the
microprocessor
into
the
socket.
v
Make
sure
that
the
microprocessor
is
oriented
and
aligned
correctly
in
the
socket
before
you
try
to
close
the
lever.
e.
Carefully
close
the
lever
to
secure
the
microprocessor
in
the
socket.
9.
Install
a
heat
sink
on
the
microprocessor:
Attention:
v
Do
not
set
down
the
heat
sink
after
you
remove
the
plastic
cover.
v
Do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink.
Touching
the
thermal
grease
will
contaminate
it.
If
the
thermal
grease
on
the
microprocessor
or
heat
sink
becomes
contaminated,
contact
your
service
technician.
Heat sink
Thermal grease
a.
Remove
the
plastic
protective
cover
from
the
bottom
of
the
heat
sink.
b.
Align
and
place
the
heat
sink
on
top
of
the
microprocessor
in
the
retention
bracket,
grease
side
down.
Press
firmly
on
the
heat
sink.
c.
Using
a
screwdriver,
secure
the
heat
sink
to
the
retention
bracket
on
the
system
board
using
the
two
captive
mounting
screws.
Press
firmly
on
the
screws
and
tighten
them,
alternating
between
them.
Do
not
overtighten
the
screws.
If
you
are
using
a
torque
wrench,
tighten
the
screws
to
8.5
to
13
Newton-meters
(Nm)
(6.3
to
9.6
foot-pounds).
10.
If
you
have
other
options
to
install
or
remove,
do
so
now;
otherwise,
go
to
“Completing
the
installation”
on
page
35.
Chapter
3.
Installing
options
29