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
Read
the
following
important
guidelines
before
removing
a
microprocessor
that
is
not
faulty
(for
example,
when
you
are
replacing
the
system
board
assembly).
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
complete
the
following
steps:
1.
Carefully
handle
the
heat
sink
and
microprocessor
when
removing
or
installing
these
components.
Do
not
touch
the
thermal
material
or
otherwise
allow
it
to
become
contaminated.
2.
In
a
dual-microprocessor
blade
server,
the
microprocessor
and
the
heat
sink
are
a
matched
set.
First
transfer
the
heat
sink
and
microprocessor
from
one
socket
to
the
new
system
board;
then,
transfer
the
other
heat
sink
and
microprocessor.
(This
will
ensure
that
the
thermal
material
remains
evenly
distributed
between
each
heat
sink
and
microprocessor.)
Notes:
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 2
Microprocessor 1
and heat sink
Microprocessor
heat sink filler
1.
Read
the
safety
information
that
begins
on
page
and
2.
If
the
blade
server
is
installed
in
a
BladeCenter
unit,
remove
it
(see
for
instructions).
3.
Remove
the
blade
server
cover
(see
for
instructions).
Chapter
4.
Removing
and
replacing
blade
server
components
101
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