Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 70

Replacing, cover, connecting, cables, Types

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Type 8316 To remove the system board, do the following: 1. Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See "Removing the cover" on page 32. 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. 4. Remove the DIMMs from the system board. Refer to "Replacing memory (all machine types)" on page 40. 5. Remove the microprocessor from the system board. Refer to "Replacing a microprocessor (all machine types)" on page 61. To replace the system board, do the following: 1. Install the microprocessor on the new system board. Refer to "Replacing a microprocessor (all machine types)" on page 61. 2. Install the DIMMs on the new system board. Refer to "Replacing memory (all machine types)" on page 40. 3. Place the new the system board into the chassis and install the screws that secure the system board to the chassis. 4. Reconnect all cables that connect to the system board. Refer to "Identifying parts on the system board (all machine types)" on page 40. 5. Go to "Replacing the cover and connecting the cables." Replacing the cover and connecting the cables Types 2296 and 8434 After replacing FRUs, you need to install any removed parts, replace the cover, and reconnect any cables, including telephone lines and power cords. Also, depending on the FRU that is replaced, you might need to confirm the updated information in the IBM Setup Utility program. 64 Hardware Maintenance Manual

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Type
8316
To
remove
the
system
board,
do
the
following:
1.
Turn
off
the
computer
and
peripheral
devices
and
disconnect
all
external
cables
and
power
cords;
then,
remove
the
cover.
See
“Removing
the
cover”
on
page
32.
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.
4.
Remove
the
DIMMs
from
the
system
board.
Refer
to
“Replacing
memory
(all
machine
types)”
on
page
40.
5.
Remove
the
microprocessor
from
the
system
board.
Refer
to
“Replacing
a
microprocessor
(all
machine
types)”
on
page
61.
To
replace
the
system
board,
do
the
following:
1.
Install
the
microprocessor
on
the
new
system
board.
Refer
to
“Replacing
a
microprocessor
(all
machine
types)”
on
page
61.
2.
Install
the
DIMMs
on
the
new
system
board.
Refer
to
“Replacing
memory
(all
machine
types)”
on
page
40.
3.
Place
the
new
the
system
board
into
the
chassis
and
install
the
screws
that
secure
the
system
board
to
the
chassis.
4.
Reconnect
all
cables
that
connect
to
the
system
board.
Refer
to
“Identifying
parts
on
the
system
board
(all
machine
types)”
on
page
40.
5.
Go
to
“Replacing
the
cover
and
connecting
the
cables.”
Replacing
the
cover
and
connecting
the
cables
Types
2296
and
8434
After
replacing
FRUs,
you
need
to
install
any
removed
parts,
replace
the
cover,
and
reconnect
any
cables,
including
telephone
lines
and
power
cords.
Also,
depending
on
the
FRU
that
is
replaced,
you
might
need
to
confirm
the
updated
information
in
the
IBM
Setup
Utility
program.
64
Hardware
Maintenance
Manual