Lenovo S200 Hardware Maintenance Manual - Page 103

Replacing, system, board, Types

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Replacing the system board This procedure describes how to remove and replace a memory module. The procedure varies depending upon the machine type. Types 7812, 7813, 9680, and 9681 Important The heat sink and microprocessor might be very hot. Make sure these components are cool enough to safely handle before continuing this procedure. 1. Remove the cover. See "Removing the cover" on page 85. 2. Lift the fan duct off the heat sink fan. 3. Remove any adapter cards installed in the PCI connectors. 4. You might have to remove the drive bay assembly to access the system board. See "Accessing system board components and drives" on page 90. 5. Take note of the location of all cable connections on the system board and disconnect all cables. See the system board illustration for your machine type at "Locating parts on the system board" on page 87. 6. Remove the hard disk drive. See "Replacing the hard disk drive" on page 112. 7. Remove the screws that secure the system board to the chassis. 8. Lift the system board out of the chassis. 9. Remove the memory modules from the failing system board and install them in the same location on the new system board. 10. Disconnect the heat sink and fan assembly cable from the system board. See the system board illustration for your machine type at "Locating parts on the system board" on page 87. 11. Rotate handle 1 to release the heat sink clamp and then disengage the clamp from the plastic retention bracket. Chapter 8. Replacing FRUs - Desktop computers 97

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Replacing
the
system
board
This
procedure
describes
how
to
remove
and
replace
a
memory
module.
The
procedure
varies
depending
upon
the
machine
type.
Types
7812,
7813,
9680,
and
9681
Important
The
heat
sink
and
microprocessor
might
be
very
hot.
Make
sure
these
components
are
cool
enough
to
safely
handle
before
continuing
this
procedure.
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
85.
2.
Lift
the
fan
duct
off
the
heat
sink
fan.
3.
Remove
any
adapter
cards
installed
in
the
PCI
connectors.
4.
You
might
have
to
remove
the
drive
bay
assembly
to
access
the
system
board.
See
“Accessing
system
board
components
and
drives”
on
page
90.
5.
Take
note
of
the
location
of
all
cable
connections
on
the
system
board
and
disconnect
all
cables.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
87.
6.
Remove
the
hard
disk
drive.
See
“Replacing
the
hard
disk
drive”
on
page
112.
7.
Remove
the
screws
that
secure
the
system
board
to
the
chassis.
8.
Lift
the
system
board
out
of
the
chassis.
9.
Remove
the
memory
modules
from
the
failing
system
board
and
install
them
in
the
same
location
on
the
new
system
board.
10.
Disconnect
the
heat
sink
and
fan
assembly
cable
from
the
system
board.
See
the
system
board
illustration
for
your
machine
type
at
“Locating
parts
on
the
system
board”
on
page
87.
11.
Rotate
handle
±1²
to
release
the
heat
sink
clamp
and
then
disengage
the
clamp
from
the
plastic
retention
bracket.
Chapter
8.
Replacing
FRUs
-
Desktop
computers
97