IBM x3400 User Guide - Page 64

thermal-grease

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Attention: Make sure that the release lever on the microprocessor socket is in the fully open position before you insert the microprocessor in the socket. Failure to do so might result in permanent damage to the microprocessor, microprocessor socket, and system board. c. Rotate the release lever on the microprocessor socket from its closed and locked position to its fully open position. Microprocessor release lever (fully open) Microprocessor bracket frame Attention: v Do not use excessive force when pressing the microprocessor into the socket. v Make sure that the microprocessor is oriented and aligned with land number 1 in the socket before you try to close the lever. d. Align the microprocessor with the socket (note the alignment mark and the position of the notches); then, carefully place the microprocessor on the socket and close the microprocessor bracket frame. Microprocessor Alignment marks Microprocessor release lever Microprocessor socket e. Carefully close the release lever to secure the microprocessor in the socket. 9. Install the heat sink. Attention: Do not touch the thermal grease on the bottom of the heat sink or set down the heat sink after you remove the plastic cover. Touching the thermal grease will contaminate it. a. Make sure that the heat-sink lever is in the open position. b. Remove the plastic protective cover from the bottom of the heat sink. c. Align the heat sink above the microprocessor with the thermal-grease side down. Press firmly on the heat sink. 50 System x3400 Types 7973, 7974, 7975, and 7976: User's Guide

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Attention:
Make
sure
that
the
release
lever
on
the
microprocessor
socket
is
in
the
fully
open
position
before
you
insert
the
microprocessor
in
the
socket.
Failure
to
do
so
might
result
in
permanent
damage
to
the
microprocessor,
microprocessor
socket,
and
system
board.
c.
Rotate
the
release
lever
on
the
microprocessor
socket
from
its
closed
and
locked
position
to
its
fully
open
position.
Microprocessor
release lever
(fully open)
Microprocessor
bracket frame
Attention:
v
Do
not
use
excessive
force
when
pressing
the
microprocessor
into
the
socket.
v
Make
sure
that
the
microprocessor
is
oriented
and
aligned
with
land
number
1
in
the
socket
before
you
try
to
close
the
lever.
d.
Align
the
microprocessor
with
the
socket
(note
the
alignment
mark
and
the
position
of
the
notches);
then,
carefully
place
the
microprocessor
on
the
socket
and
close
the
microprocessor
bracket
frame.
Microprocessor
Microprocessor socket
Microprocessor
release lever
Alignment marks
e.
Carefully
close
the
release
lever
to
secure
the
microprocessor
in
the
socket.
9.
Install
the
heat
sink.
Attention:
Do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink
or
set
down
the
heat
sink
after
you
remove
the
plastic
cover.
Touching
the
thermal
grease
will
contaminate
it.
a.
Make
sure
that
the
heat-sink
lever
is
in
the
open
position.
b.
Remove
the
plastic
protective
cover
from
the
bottom
of
the
heat
sink.
c.
Align
the
heat
sink
above
the
microprocessor
with
the
thermal-grease
side
down.
Press
firmly
on
the
heat
sink.
50
System
x3400
Types
7973,
7974,
7975,
and
7976:
User’s
Guide