Note:
Removing
the
heat
sink
from
the
microprocessor
destroys
the
even
distribution
of
the
thermal
grease
and
requires
replacing
the
thermal
grease.
Attention:
v
A
startup
(boot)
microprocessor
must
always
be
installed
in
microprocessor
socket
1
on
the
system
board.
v
To
ensure
correct
server
operation
when
you
install
an
additional
microprocessor,
use
microprocessors
that
have
the
same
cache
size
and
type,
and
the
same
clock
speed.
Microprocessor
internal
and
external
clock
frequencies
must
be
identical.
v
Do
not
remove
the
first
microprocessor
from
the
system
board
to
install
the
second
microprocessor.
The
following
illustrations
show
how
to
install
the
second
microprocessor
on
the
system
board.
If
you
install
a
second
microprocessor
in
the
server,
you
must
install
one
additional
fan.
Note:
For
simplicity,
certain
components
are
not
shown
in
this
illustration.
To
install
an
additional
microprocessor,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
23.
2.
Turn
off
the
server
and
peripheral
devices
and
disconnect
the
power
cords
and
all
external
cables,
if
necessary
(see
“Turning
off
the
server”
on
page
14).
Remove
the
server
cover.
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
25.
3.
Locate
microprocessor
socket
2
on
the
system
board.
4.
Remove
the
microprocessor
dust
cover
from
the
surface
of
the
microprocessor
socket.
Microprocessor
release lever
Microprocessor
bracket frame
Microprocessor
dust cover
a.
Press
down
and
out
on
the
release
lever
on
the
microprocessor
socket.
Lift
up
the
release
lever
until
it
stops
in
the
fully
open
position
(approximately
135°
angle)
and
the
top
edge
of
the
release
lever
has
moved
away
from
the
microprocessor
socket.
b.
Lift
the
hinged
microprocessor
bracket
frame
into
an
open
position.
Remove
the
microprocessor
dust
cover
from
the
bracket
frame.
Store
the
dust
cover
in
a
safe
place.
40
IBM
System
x3550
Type
7978:
User’s
Guide
Содержание 79788BU
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