IBM HS40 User Guide - Page 46

Newton-meters

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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. 10. Install a heat sink on the microprocessor: a. Remove the plastic protective cover from the bottom of the heat sink, if one is present. Attention: 1) Do not set down the heat sink after you remove the plastic cover. 2) Do not touch the thermal grease on the bottom of the heat sink. Touching the thermal grease will contaminate it. If the thermal grease becomes contaminated, contact your service technician. b. Align and place the heat sink on top of the microprocessor. Press firmly on the heat sink. 11. Lower the retention mechanism; then, screw down the captive mounting screw using a #2 Phillips screwdriver. Do not overtighten the screw. 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). Attention: To help ensure proper cooling and system reliability the air baffle must be correctly positioned and fully seated. 12. Install the air baffle covering microprocessor 1 and microprocessor 4, making sure that the air baffle is positioned and pushed down so that both heat sink captive mounting screws are through the holes in the air baffle. Air baffle Microprocessor 1 and 4 heat sink captive mounting screws 13. If you have other options to install or remove, do so now; otherwise, go to "Completing the installation" on page 44. 32 BladeCenter HS40 Type 8839: Installation and User's Guide

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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.
10.
Install
a
heat
sink
on
the
microprocessor:
a.
Remove
the
plastic
protective
cover
from
the
bottom
of
the
heat
sink,
if
one
is
present.
Attention:
1)
Do
not
set
down
the
heat
sink
after
you
remove
the
plastic
cover.
2)
Do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink.
Touching
the
thermal
grease
will
contaminate
it.
If
the
thermal
grease
becomes
contaminated,
contact
your
service
technician.
b.
Align
and
place
the
heat
sink
on
top
of
the
microprocessor.
Press
firmly
on
the
heat
sink.
11.
Lower
the
retention
mechanism;
then,
screw
down
the
captive
mounting
screw
using
a
#2
Phillips
screwdriver.
Do
not
overtighten
the
screw.
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).
Attention:
To
help
ensure
proper
cooling
and
system
reliability
the
air
baffle
must
be
correctly
positioned
and
fully
seated.
12.
Install
the
air
baffle
covering
microprocessor
1
and
microprocessor
4,
making
sure
that
the
air
baffle
is
positioned
and
pushed
down
so
that
both
heat
sink
captive
mounting
screws
are
through
the
holes
in
the
air
baffle.
Air baffle
Microprocessor 1 and 4
heat sink captive mounting screws
13.
If
you
have
other
options
to
install
or
remove,
do
so
now;
otherwise,
go
to
“Completing
the
installation”
on
page
44.
32
BladeCenter
HS40
Type
8839:
Installation
and
User’s
Guide