Replacing the system board (all machine types), Replacing, System – IBM THINKCENTER 8189 User Manual
Page 67: Board, Machine, Types)
Microprocessor
0.01 ML of
thermal grease
Note:
0.01ML
is
one
tick
mark
on
the
syringe.
If
the
grease
is
properly
applied,
approximately
half
(0.22ML)
of
the
grease
will
remain
in
the
syringe.
6.
Place
the
fan
and
heat
sink
into
position
on
the
microprocessor.
7.
When
tightening
the
screws
that
clamp
the
heat
sink,
do
not
overtighten.
Tighten
the
clamp
screws
evenly
by
tightening
one
side
some
and
then
the
other
until
they
are
both
snug.
8.
Reconnect
the
fan
to
the
system
board
connector.
9.
Go
to
Replacing
the
system
board
(all
machine
types)
Note:
The
computer
might
look
slightly
different
than
the
following
illustrations
To
remove
the
system
board:
1.
Turn
off
the
computer
and
peripheral
devices
and
disconnect
all
external
cables
and
power
cords;
then,
remove
the
cover.
See
2.
Disconnect
all
cables
connected
to
the
system
board.
3.
Remove
the
screws
that
secure
the
system
board
to
the
chassis
and
lift
out
the
system
board.
Chapter
6.
Replacing
FRUs
61