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Complete
the
following
steps
in
the
prescribed
order
to
install
and
replace
a
microprocessor.
Attention:
Failure
to
complete
the
following
steps
in
the
prescribed
order
might
cause
damage
to
the
microprocessor
pins
and
cause
the
microprocessor
to
fail.
1.
Read
the
safety
information
beginning
on
page
197
and
“Installation
guidelines”
on
page
77.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables;
then,
open
the
cover.
3.
Remove
the
memory-board
assembly
from
the
server:
Attention:
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
details
about
handling
these
devices,
see
“Handling
static-sensitive
devices”
on
page
78.
a.
Pull
up
on
the
levers
to
detach
the
memory-board
assembly.
b.
Carefully
remove
the
memory-board
assembly
from
the
server,
and
set
it
aside.
N
O
T
E
:
F
O
R
P
R
O
P
E
R
A
IR
F
L
O
W, R
E
P
LA
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
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
FRO
N
T
O
F
B
O
X
102
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide