IBM HC10 Service Guide - Page 51

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e. Center the microprocessor over the microprocessor socket. Align the triangle on the corner of the microprocessor with the triangle on the corner of the socket and carefully place the microprocessor into the socket. Attention: v Do not press 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 microprocessor retainer. f. Close the microprocessor retainer. g. Rotate the locking lever on the microprocessor socket to the closed and locked position. Make sure that the lever is secured in the locked position by the tab on the microprocessor socket. 2. Install a heat sink on the microprocessor. Attention: v If you are installing a new heat sink, do not set down the heat sink after you remove the plastic cover. v Do not touch the thermal material on the bottom of the heat sink. Touching the thermal material will contaminate it. If the thermal material on the microprocessor or heat sink becomes contaminated, contact your service technician. a. If you are installing a new heat sink, remove the plastic protective cover from the bottom of the heat sink. b. Make sure that the thermal material is still on the bottom of the heat sink; then, align and place the heat sink on top of the microprocessor in the retention bracket, thermal material side down. Press firmly on the heat sink. c. Align the five captured screws on the heat sink with the holes on the system board. d. Press firmly on the captive screws and tighten them with a screwdriver, alternating between screws until they are tight. If possible, each screw should be rotated two full rotations at a time. Repeat until the screws are tight. Do not overtighten the screws by using excessive force. If you are using a torque wrench, tighten the screws to 8.5 to 13 Newton-meters (Nm) (6.3 to 9.6 inch-pounds). 3. Install the bezel assembly (see "Installing the bezel assembly" on page 21). 4. Install the blade workstation cover (see "Installing the blade workstation cover" on page 20). 5. Install the blade workstation into the BladeCenter unit (see "Installing the blade workstation in a BladeCenter unit" on page 17). Chapter 4. Removing and replacing blade workstation components 35

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e.
Center
the
microprocessor
over
the
microprocessor
socket.
Align
the
triangle
on
the
corner
of
the
microprocessor
with
the
triangle
on
the
corner
of
the
socket
and
carefully
place
the
microprocessor
into
the
socket.
Attention:
v
Do
not
press
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
microprocessor
retainer.
f.
Close
the
microprocessor
retainer.
g.
Rotate
the
locking
lever
on
the
microprocessor
socket
to
the
closed
and
locked
position.
Make
sure
that
the
lever
is
secured
in
the
locked
position
by
the
tab
on
the
microprocessor
socket.
2.
Install
a
heat
sink
on
the
microprocessor.
Attention:
v
If
you
are
installing
a
new
heat
sink,
do
not
set
down
the
heat
sink
after
you
remove
the
plastic
cover.
v
Do
not
touch
the
thermal
material
on
the
bottom
of
the
heat
sink.
Touching
the
thermal
material
will
contaminate
it.
If
the
thermal
material
on
the
microprocessor
or
heat
sink
becomes
contaminated,
contact
your
service
technician.
a.
If
you
are
installing
a
new
heat
sink,
remove
the
plastic
protective
cover
from
the
bottom
of
the
heat
sink.
b.
Make
sure
that
the
thermal
material
is
still
on
the
bottom
of
the
heat
sink;
then,
align
and
place
the
heat
sink
on
top
of
the
microprocessor
in
the
retention
bracket,
thermal
material
side
down.
Press
firmly
on
the
heat
sink.
c.
Align
the
five
captured
screws
on
the
heat
sink
with
the
holes
on
the
system
board.
d.
Press
firmly
on
the
captive
screws
and
tighten
them
with
a
screwdriver,
alternating
between
screws
until
they
are
tight.
If
possible,
each
screw
should
be
rotated
two
full
rotations
at
a
time.
Repeat
until
the
screws
are
tight.
Do
not
overtighten
the
screws
by
using
excessive
force.
If
you
are
using
a
torque
wrench,
tighten
the
screws
to
8.5
to
13
Newton-meters
(Nm)
(6.3
to
9.6
inch-pounds).
3.
Install
the
bezel
assembly
(see
“Installing
the
bezel
assembly”
on
page
21).
4.
Install
the
blade
workstation
cover
(see
“Installing
the
blade
workstation
cover”
on
page
20).
5.
Install
the
blade
workstation
into
the
BladeCenter
unit
(see
“Installing
the
blade
workstation
in
a
BladeCenter
unit”
on
page
17).
Chapter
4.
Removing
and
replacing
blade
workstation
components
35