IBM 326m Hardware Maintenance Manual - Page 56

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5. Install the microprocessor: a. Touch the static-protective package containing the new microprocessor to any unpainted metal surface on the server; then, remove the microprocessor from the package. b. Position the microprocessor over the microprocessor socket as shown in the following illustration. Carefully press the microprocessor into the socket. Attention: To avoid bending the pins on the microprocessor, do not use excessive force when pressing it into the socket. Microprocessor Microprocessor orientation indicator Microprocessorlocking lever Microprocessor socket 6. Close the microprocessor-locking lever to secure the microprocessor. Note: A new microprocessor comes in a kit with a heat sink. 7. Install the heat sink. Attention: Do not disturb or contaminate the thermal material on the bottom of the new heat sink. Doing so damages its heat-conducting capability and exposes the new microprocessor to overheating. a. Remove the heat sink from its package and remove the cover from the bottom of the heat sink. b. Make sure that the thermal material is still on the bottom of the heat sink, and position the heat sink on top of the microprocessor. c. Align the captive screws on the heat sink with the holes on the heat-sink retention module. d. Press firmly on the captive screws and tighten them, alternating between screws until they are tight. Do not overtighten the screws by using excessive force. Attention: If you need to remove the heat sink after installing it, note that the thermal material might have formed a strong bond between the heat sink and the microprocessor. Do not force the heat sink and microprocessor apart; doing so can damage the microprocessor pins. Loosening one captive screw fully before loosening the other captive screw helps break the bond between the components without damaging them. 46 326m Type 7969: Hardware Maintenance Manual and Troubleshooting Guide

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5.
Install
the
microprocessor:
a.
Touch
the
static-protective
package
containing
the
new
microprocessor
to
any
unpainted
metal
surface
on
the
server;
then,
remove
the
microprocessor
from
the
package.
b.
Position
the
microprocessor
over
the
microprocessor
socket
as
shown
in
the
following
illustration.
Carefully
press
the
microprocessor
into
the
socket.
Attention:
To
avoid
bending
the
pins
on
the
microprocessor,
do
not
use
excessive
force
when
pressing
it
into
the
socket.
Microprocessor
orientation indicator
Microprocessor-
locking lever
Microprocessor
socket
Microprocessor
6.
Close
the
microprocessor-locking
lever
to
secure
the
microprocessor.
Note:
A
new
microprocessor
comes
in
a
kit
with
a
heat
sink.
7.
Install
the
heat
sink.
Attention:
Do
not
disturb
or
contaminate
the
thermal
material
on
the
bottom
of
the
new
heat
sink.
Doing
so
damages
its
heat-conducting
capability
and
exposes
the
new
microprocessor
to
overheating.
a.
Remove
the
heat
sink
from
its
package
and
remove
the
cover
from
the
bottom
of
the
heat
sink.
b.
Make
sure
that
the
thermal
material
is
still
on
the
bottom
of
the
heat
sink,
and
position
the
heat
sink
on
top
of
the
microprocessor.
c.
Align
the
captive
screws
on
the
heat
sink
with
the
holes
on
the
heat-sink
retention
module.
d.
Press
firmly
on
the
captive
screws
and
tighten
them,
alternating
between
screws
until
they
are
tight.
Do
not
overtighten
the
screws
by
using
excessive
force.
Attention:
If
you
need
to
remove
the
heat
sink
after
installing
it,
note
that
the
thermal
material
might
have
formed
a
strong
bond
between
the
heat
sink
and
the
microprocessor.
Do
not
force
the
heat
sink
and
microprocessor
apart;
doing
so
can
damage
the
microprocessor
pins.
Loosening
one
captive
screw
fully
before
loosening
the
other
captive
screw
helps
break
the
bond
between
the
components
without
damaging
them.
46
326m
Type
7969:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide