Lenovo 8084 ユーザーズマニュアル
Removing
and
replacing
the
system
board
1.
Remove
the
cover.
See
2.
Remove
any
PCI
adapters
installed.
See
3.
Remove
any
air
baffles
or
ducts.
4.
Carefully
take
note
of
the
location
of
all
cable
connections
on
the
system
board.
It
will
be
necessary
to
reconnect
them
properly
when
installing
a
new
system
board.
See
5.
Disconnect
all
cables
connected
to
the
system
board.
6.
Remove
the
screws
that
secure
the
system
board
in
place
and
remove
the
system
board.
7.
Take
note
of
the
location
of
the
DIMMs
and
remove
them
from
the
failing
system
board
and
install
them
on
the
new
system
board
in
the
same
location
as
they
were
on
the
failing
system
board.
See
8.
Remove
the
heat
sink
and
microprocessor
from
the
failing
system
board
and
install
them
on
the
new
system
board.
See
Continue
at
the
next
step
after
installing
the
heat
sink
and
microprocessor
on
the
new
system
board.
9.
Install
the
new
system
board
and
insert
the
screws.
10.
Reconnect
all
cables
to
the
system
board.
11.
Replace
any
air
baffles
or
ducts.
12.
Go
to
Removing
and
replacing
the
microprocessor
1.
Remove
the
cover.
See
2.
Remove
any
air
baffles
or
ducts
that
cover
the
microprocessor.
3.
Disconnect
the
heat
sink
fan
cable
from
the
system
board.
Refer
to
Chapter
8.
Replacing
FRUs
(Types
8126,
8174,
8175,
and
8176)
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