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5.
Remove
the
processor-board
assembly
from
the
server:
a.
Press
to
unlock
the
levers
securing
the
processor-board
assembly,
and
pull
up
on
the
levers
to
release
the
processor-board
assembly.
b.
Slide
the
assembly
toward
the
right
side
of
the
server.
c.
Carefully
remove
the
processor-board
assembly
from
the
server,
and
place
it
on
a
static-free,
clean
work
surface.
N
O
T
E
:
F
O
R
P
R
O
P
E
R
A
IR
F
L
O
W, R
E
P
L
A
C
E
F
A
N
W
IT
H
I
N
2
M
IN
U
T
E
S
F
R
O
N
T O
F
BO
X
N
O
T
E
:
F
O
R
P
R
O
P
E
R
A
IR
F
L
O
W, R
E
P
L
A
C
E
F
A
N
W
IT
H
IN
2
M
IN
U
T
E
S
F
R
O
N
T
O
F
B
O
X
Levers
6.
Set
the
processor-board
assembly
on
a
static-free,
clean
work
surface,
and
remove
the
microprocessor
assemblies
and
power
modules
that
will
be
reused.
See
“Microprocessor
and
power
module”
on
page
121.
7.
Place
the
new
processor-board
assembly
on
a
static-free,
clean
work
surface,
and
install
the
microprocessors
and
power
modules
that
were
removed
in
the
preceding
step
into
the
new
processor
board.
See
“Installing
and
replacing
a
microprocessor
and
power
module”
on
page
100.
8.
Reinstall
the
processor-board
assembly
in
the
server.
Note:
When
you
install
or
remove
the
processor-board
assembly,
the
server
configuration
information
changes.
Therefore,
you
must
use
the
Configuration/Setup
Utility
program
to
change
and
save
the
new
configuration
information
(see
“Starting
the
Configuration/Setup
Utility
program”
on
page
12).
9.
Reinstall
the
retention
bracket.
10.
Replace
the
two
shipping
thumbscrews.
11.
Reinstall
the
memory-board
assembly.
120
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide