IBM 7979B1U User Manual - Page 82

microprocessor.

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Attention: v Do not touch the microprocessor contacts; handle the microprocessor by the edges only. Contaminants on the microprocessor contacts, such as oil from your skin, can cause connection failures between the contacts and the socket. v Handle the microprocessor carefully. Dropping the microprocessor during installation or removal can damage the contacts. v Do not use excessive force when you press the microprocessor into the socket. v Make sure that the microprocessor is oriented and aligned and positioned in the socket before you try to close the lever. Microprocessor Alignment marks Notches 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. Close the microprocessor bracket frame. Note: The microprocessor fits only one way on the socket. e. Carefully close the microprocessor release lever to secure the microprocessor in the socket. 10. Install a heat sink on the microprocessor. 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. Thermal grease Heat sink a. Make sure that the heat-sink release 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. 66 System x3650 Type 7979: User's Guide

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Attention:
v
Do
not
touch
the
microprocessor
contacts;
handle
the
microprocessor
by
the
edges
only.
Contaminants
on
the
microprocessor
contacts,
such
as
oil
from
your
skin,
can
cause
connection
failures
between
the
contacts
and
the
socket.
v
Handle
the
microprocessor
carefully.
Dropping
the
microprocessor
during
installation
or
removal
can
damage
the
contacts.
v
Do
not
use
excessive
force
when
you
press
the
microprocessor
into
the
socket.
v
Make
sure
that
the
microprocessor
is
oriented
and
aligned
and
positioned
in
the
socket
before
you
try
to
close
the
lever.
Microprocessor
Alignment marks
Notches
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.
Close
the
microprocessor
bracket
frame.
Note:
The
microprocessor
fits
only
one
way
on
the
socket.
e.
Carefully
close
the
microprocessor
release
lever
to
secure
the
microprocessor
in
the
socket.
10.
Install
a
heat
sink
on
the
microprocessor.
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.
Thermal grease
Heat sink
a.
Make
sure
that
the
heat-sink
release
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.
66
System
x3650
Type
7979:
User’s
Guide