IBM HC10 Service Guide - Page 48

Removing, replacing, microprocessor

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Removing and replacing FRUs FRUs must be installed only by trained service technicians. The illustrations in this document might differ slightly from your hardware. Removing a microprocessor and heat sink Notes: v If you are not replacing a defective heat sink or microprocessor, the thermal material on the heat sink and microprocessor will remain effective if you carefully handle the heat sink and microprocessor. When removing or installing these components, do not touch the thermal material or allow it to become contaminated. v The heat-sink FRU is packaged with the thermal material applied to the underside. This thermal material is not available as a separate FRU. The heat sink must be replaced when new thermal material is required, such as when a defective microprocessor is replaced or if the thermal material is contaminated or has come in contact with another object other than its paired microprocessor. v The microprocessor FRU for this system board includes a heat sink. v A heat-sink FRU can be ordered separately if the thermal material becomes contaminated. To remove a microprocessor, complete the following steps. Heat Sink Microprocessor 1. Read the safety information that begins on page vii, and "Installation guidelines" on page 13. 2. If the blade workstation is installed in a BladeCenter unit, remove it (see "Removing the blade workstation from a BladeCenter unit" on page 16 for instructions). 3. Remove the blade workstation cover (see "Removing the blade workstation cover" on page 19 for instructions). 4. Remove the bezel assembly (see "Removing the bezel assembly" on page 21 for instructions). 5. Identify the microprocessor that is to be removed. 6. Remove the heat sink. Attention: 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, you must replace the heat sink. 32 BladeCenter HC10 Type 7996: Problem Determination and Service Guide

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Removing
and
replacing
FRUs
FRUs
must
be
installed
only
by
trained
service
technicians.
The
illustrations
in
this
document
might
differ
slightly
from
your
hardware.
Removing
a
microprocessor
and
heat
sink
Notes:
v
If
you
are
not
replacing
a
defective
heat
sink
or
microprocessor,
the
thermal
material
on
the
heat
sink
and
microprocessor
will
remain
effective
if
you
carefully
handle
the
heat
sink
and
microprocessor.
When
removing
or
installing
these
components,
do
not
touch
the
thermal
material
or
allow
it
to
become
contaminated.
v
The
heat-sink
FRU
is
packaged
with
the
thermal
material
applied
to
the
underside.
This
thermal
material
is
not
available
as
a
separate
FRU.
The
heat
sink
must
be
replaced
when
new
thermal
material
is
required,
such
as
when
a
defective
microprocessor
is
replaced
or
if
the
thermal
material
is
contaminated
or
has
come
in
contact
with
another
object
other
than
its
paired
microprocessor.
v
The
microprocessor
FRU
for
this
system
board
includes
a
heat
sink.
v
A
heat-sink
FRU
can
be
ordered
separately
if
the
thermal
material
becomes
contaminated.
To
remove
a
microprocessor,
complete
the
following
steps.
Heat Sink
Microprocessor
1.
Read
the
safety
information
that
begins
on
page
vii,
and
“Installation
guidelines”
on
page
13.
2.
If
the
blade
workstation
is
installed
in
a
BladeCenter
unit,
remove
it
(see
“Removing
the
blade
workstation
from
a
BladeCenter
unit”
on
page
16
for
instructions).
3.
Remove
the
blade
workstation
cover
(see
“Removing
the
blade
workstation
cover”
on
page
19
for
instructions).
4.
Remove
the
bezel
assembly
(see
“Removing
the
bezel
assembly”
on
page
21
for
instructions).
5.
Identify
the
microprocessor
that
is
to
be
removed.
6.
Remove
the
heat
sink.
Attention:
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,
you
must
replace
the
heat
sink.
32
BladeCenter
HC10
Type
7996:
Problem
Determination
and
Service
Guide