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7.
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),
disconnecting
any
necessary
cables.
b.
Remove
the
midplane
board
by
turning
the
two
midplane
board
thumbscrews
to
release
it;
then,
carefully
lift
the
midplane
board
out
of
its
socket,
and
place
it
on
a
static-free,
clean
work
surface.
c.
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
on
a
safe,
clean
work
surface.
PCI-X
Board
PCI-X Assembly
I/O Board
Notches
Tabs
8.
Remove
any
cables
that
are
attached
to
the
PCI-X
board.
128
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide