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Power/reset
card
assembly
The
power/reset
card
assembly
is
located
on
the
left
front
of
the
server.
Before
you
begin:
v
Read
“Installation
guidelines”
on
page
77.
v
Read
the
safety
notices
at
“Safety
notices
(multilingual
translations)”
on
page
201.
v
Read
“Handling
static-sensitive
devices”
on
page
200.
Complete
the
following
steps
to
remove
the
power/reset
card
assembly:
1.
Turn
off
the
server
(see
“Turning
off
the
server”
on
page
8),
and
disconnect
all
power
cords
and
external
cables.
2.
Remove
the
front
bezel
(see
“Removing
and
replacing
the
bezel”
on
page
89).
3.
Remove
fans
3
and
4
to
access
the
power/reset
cable
(see
“Replacing
fan
3
or
4”
on
page
108).
4.
Disconnect
the
power/reset
card
cable
from
the
I/O
board.
5.
Remove
the
screw
that
attaches
the
card
to
the
chassis,
and
carefully
set
it
aside.
6.
Remove
the
card
assembly
from
the
server
by
drawing
the
cable
through
the
channel
in
the
side
of
the
chassis
and
out
the
front.
7.
To
replace
the
card
assembly,
reverse
the
previous
steps,
threading
the
cable
through
the
gap
in
the
chassis.
Light
Path
card
Before
you
begin:
v
Read
“Installation
guidelines”
on
page
77.
v
Read
the
safety
notices
at
“Safety
notices
(multilingual
translations)”
on
page
201.
v
Read
“Handling
static-sensitive
devices”
on
page
200.
Complete
the
following
steps
to
remove
the
Light
Path
card:
1.
Turn
off
the
server
(see
“Turning
off
the
server”
on
page
8),
and
disconnect
all
power
cords
and
external
cables.
2.
Remove
the
two
front
fans
(see
“Replacing
fan
1
or
2”
on
page
107).
3.
Remove
the
front
bezel
(see
“Removing
and
replacing
the
bezel”
on
page
89).
4.
Open
the
cover
(see
“Opening
the
cover”
on
page
88).
144
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide