IBM 8862 User Manual - Page 35

overtighten

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Attention: You must ensure that the locking 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. Microprocessor Microprocessor orientation indicator Microprocessor connector Microprocessorrelease lever 8. Install the microprocessor. 9. Close the microprocessor-release lever to secure the microprocessor. Attention: v 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. v 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. 10. Remove the heat sink from its package and remove the cover from the bottom of the heat sink. Make sure that the thermal material is still on the bottom of the heat sink. Remove the release liner and orient the heat sink above the microprocessor; then, press the heat sink into place. Press firmly on the captive screws and tighten them, alternating between screws until they are tight. Do not overtighten the screws. 11. If you installed the microprocessor in connector 3 or 4, install the VRM in the applicable microprocessor VRM connector (VRM connector 3 for microprocessor 3, VRM connector 4 for microprocessor 4). See the illustration on page 18 for the location of the VRM connectors. 12. Reinstall the microprocessor tray in the server: a. Make sure the microprocessor-tray release latch is open; then, push the microprocessor tray into the server. b. Close the tray levers and make sure they are securely latched. c. Press the microprocessor-tray release latch down. d. Reinstall the fans and memory cassette in the server. Chapter 2. Installing options 23

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Attention:
You
must
ensure
that
the
locking
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.
Microprocessor
orientation indicator
Microprocessor-
release lever
Microprocessor
connector
Microprocessor
8.
Install
the
microprocessor.
9.
Close
the
microprocessor-release
lever
to
secure
the
microprocessor.
Attention:
v
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.
v
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.
10.
Remove
the
heat
sink
from
its
package
and
remove
the
cover
from
the
bottom
of
the
heat
sink.
Make
sure
that
the
thermal
material
is
still
on
the
bottom
of
the
heat
sink.
Remove
the
release
liner
and
orient
the
heat
sink
above
the
microprocessor;
then,
press
the
heat
sink
into
place.
Press
firmly
on
the
captive
screws
and
tighten
them,
alternating
between
screws
until
they
are
tight.
Do
not
overtighten
the
screws.
11.
If
you
installed
the
microprocessor
in
connector
3
or
4,
install
the
VRM
in
the
applicable
microprocessor
VRM
connector
(VRM
connector
3
for
microprocessor
3,
VRM
connector
4
for
microprocessor
4).
See
the
illustration
on
page
18
for
the
location
of
the
VRM
connectors.
12.
Reinstall
the
microprocessor
tray
in
the
server:
a.
Make
sure
the
microprocessor-tray
release
latch
is
open;
then,
push
the
microprocessor
tray
into
the
server.
b.
Close
the
tray
levers
and
make
sure
they
are
securely
latched.
c.
Press
the
microprocessor-tray
release
latch
down.
d.
Reinstall
the
fans
and
memory
cassette
in
the
server.
Chapter
2.
Installing
options
23