1.
Read
the
safety
information
that
begins
on
page
and
2.
Turn
off
the
computer
and
attached
devices;
then,
disconnect
all
power
cords
and
external
cables.
3.
Turn
the
computer
on
its
side
so
that
it
is
lying
flat,
with
the
cover
facing
up.
4.
Remove
the
cover
and
support
bracket
(see
and
5.
Remove
the
air
baffle.
6.
Disconnect
all
cables
from
the
microprocessor
board.
7.
Remove
all
DIMMs
from
the
microprocessor
board
and
set
them
in
a
safe,
static-protective
place.
8.
Remove
the
fan
sink
and
microprocessor
from
the
microprocessor
board
(see
and
set
them
in
a
safe,
static-protective
place.
Attention:
Before
attempting
to
remove
the
fan
sink
from
the
microprocessor,
be
sure
to
read
all
the
instructions
at
9.
Fully
loosen
the
six
captive
screws
connecting
the
microprocessor
board
to
the
system
board.
Four
of
these
screws
also
secure
the
fan
sink
retention
module.
10.
Disconnect
the
microprocessor
board
from
the
system
board
by
grasping
the
pull
points
on
microprocessor
board
(at
the
two
corners
of
the
board
nearest
microprocessor
1).
This
will
free
the
board
from
the
second-microprocessor
connectors
and
the
two
plastic
alignment
pins.
The
alignment
pins
will
stay
with
either
the
system
board
or
the
microprocessor
board.
Alignment
pins
Second-microprocessor
connectors
System
board
Alignment
holes
Microprocessor
board
Option screws
(captive)
Fan sink
retention module
Figure
34.
Removing
the
microprocessor
board
122
IBM
IntelliStation
A
Pro
Type
6217:
Problem
Determination
and
Service
Guide
Содержание IntelliStation A Pro 6217
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Страница 188: ...Part Number 31R1994 Printed in USA 1P P N 31R1994...