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Справочник Пользователя для IBM 8189

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4.
   
Loosen
 
the
 
two
 
captured
 
screws
 
3
 
holding
 
the
 
fan
 
and
 
heat
 
sink
 
in
 
place,
 
and
 
pivot
 
them
 
to
 
the
 
side.
 
5.
   
To
 
remove
 
the
 
fan
 
and
 
heat
 
sink
 
1
 
from
 
the
 
microprocessor
 
2,
 
gently
 
twist
 
the
 
fan
 
and
 
heat
 
sink
 
to
 
break
 
the
 
seal
 
formed
 
by
 
the
 
thermal
 
grease
 
and
 
remove.
 
Note:
  
If
 
the
 
thermal
 
grease
 
seal
 
cannot
 
be
 
broken,
 
you
 
may
 
want
 
to
 
start
 
up
 
the
 
system
 
to
 
heat
 
the
 
processor
 
and
 
loosen
 
the
 
thermal
 
grease.
 
6.
   
Place
 
the
 
heat
 
sink
 
on
 
a
 
clean
 
work
 
surface.
 
7.
   
Take
 
notice
 
of
 
the
 
orientation
 
of
 
the
 
beveled
 
corner
 
on
 
the
 
microprocessor.
 
This
 
is
 
important
 
when
 
reinstalling
 
the
 
microprocessor
 
on
 
the
 
system
 
board.
 
8.
   
Release
 
the
 
microprocessor
 
from
 
the
 
system
 
board
 
by
 
pulling
 
outward
 
and
 
lifting
 
the
 
small
 
handle
 
on
 
the
 
microprocessor
 
socket
 
to
 
its
 
maximum
 
vertical
 
position.
 
Carefully
 
lift
 
the
 
microprocessor
 
off
 
the
 
socket.
 
To
 
replace
 
the
 
microprocessor,
 
do
 
the
 
following:
 
1.
   
Make
 
sure
 
that
 
the
 
microprocessor
 
socket
 
handle
 
is
 
fully
 
in
 
the
 
vertical
 
position.
 
Otherwise
 
the
 
microprocessor
 
pins
 
might
 
be
 
damaged
 
when
 
installing
 
the
 
microprocessor.
 
2.
   
Position
 
the
 
microprocessor
 
so
 
that
 
the
 
pins
 
are
 
aligned
 
with
 
the
 
socket
 
and
 
with
 
the
 
beveled
 
corner
 
in
 
the
 
correct
 
orientation.
 
3.
   
Lower
 
the
 
handle
 
until
 
it
 
is
 
fully
 
in
 
the
 
down
 
position
 
and
 
locked
 
into
 
the
 
socket.
 
This
 
secures
 
the
 
microprocessor
 
in
 
the
 
socket.
 
4.
   
Remove
 
the
 
cleaning
 
pad
 
from
 
its
 
package
 
and
 
use
 
the
 
cleaning
 
pad
 
to
 
wipe
 
the
 
thermal
 
grease
 
from
 
the
 
bottom
 
of
 
the
 
heat
 
sink.
 
Notes:
  
a.
   
The
 
cleaning
 
pad
 
and
 
thermal
 
grease
 
are
 
separate
 
FRUs
 
and
 
are
 
not
 
included
 
with
 
the
 
system
 
board
 
or
 
microprocessor
 
FRUs.
 
These
 
must
 
be
 
ordered
 
separately
 
and
 
shipped
 
along
 
with
 
the
 
FRUs
 
being
 
replaced.
 
b.
   
Be
 
sure
 
that
 
all
 
of
 
the
 
thermal
 
grease
 
is
 
removed.
5.
   
Use
 
the
 
thermal
 
grease
 
syringe
 
to
 
place
 
16
 
uniformly
 
spaced
 
dots
 
of
 
0.01ML
 
each
 
on
 
the
 
top
 
of
 
the
 
microprocessor.
 
 
60
 
Hardware
 
Maintenance
 
Manual