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8.
Remove
the
PCI-X
board
assembly
from
the
I/O
board:
a.
Remove
any
adapters
and
adapter
separators
that
are
installed
(see
“Installing
an
adapter”
on
page
92),
unplugging
any
necessary
cables.
b.
Release
the
PCI-X
board
assembly
from
the
I/O
board
at
the
four
notches
that
secure
them
together,
then
lift
the
PCI-X
board
assembly
off
of
the
I/O
board
and
set
it
in
a
safe
place.
PCI-X
Board
PCI-X Assembly
I/O Board
Notches
Tabs
9.
Remove
the
VRM
from
the
I/O
board.
10.
Remove
all
screws
securing
serial
ports
and
video
connectors
to
the
back
of
the
I/O
board
assembly.
11.
Remove
the
eight
screws
securing
the
I/O
board
to
the
I/O
board
assembly,
and
slide
the
I/O
board
approximately
1
in.
(2.54
cm)
forward.
132
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide