IBM 79856au Installation Guide - Page 35

Attention

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Heat sink Microprocessor Microprocessor socket dust cover Note: For simplicity, certain components have been removed from this illustration. Attention: v A startup (boot) processor must always be installed in microprocessor connector 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 clock frequencies must be identical. To install an additional microprocessor, complete the following steps: 1. Read the safety information that begins on page v, and "Installation guidelines" on page 9. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables. 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 11. 3. Remove the riser-card assembly (see "Removing the riser-card assembly" on page 23). 4. Remove the air baffle (see "Removing the air baffle" on page 12). 5. Open the heat-sink release latch to the fully open position. 6. Install the microprocessor: a. Touch the static-protective package containing the microprocessor to any unpainted metal surface on the server. Then, remove the microprocessor from the package. b. Remove the protective dust cover, tape, or label from the surface of the microprocessor socket, if present. c. Rotate the microprocessor release lever on the socket from its closed and locked position until it stops in the fully open position. Chapter 2. Installing optional devices 21

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Microprocessor
Heat sink
Microprocessor socket
dust cover
Note:
For
simplicity,
certain
components
have
been
removed
from
this
illustration.
Attention:
v
A
startup
(boot)
processor
must
always
be
installed
in
microprocessor
connector
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
clock
frequencies
must
be
identical.
To
install
an
additional
microprocessor,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v,
and
“Installation
guidelines”
on
page
9.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables.
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
11.
3.
Remove
the
riser-card
assembly
(see
“Removing
the
riser-card
assembly”
on
page
23).
4.
Remove
the
air
baffle
(see
“Removing
the
air
baffle”
on
page
12).
5.
Open
the
heat-sink
release
latch
to
the
fully
open
position.
6.
Install
the
microprocessor:
a.
Touch
the
static-protective
package
containing
the
microprocessor
to
any
unpainted
metal
surface
on
the
server.
Then,
remove
the
microprocessor
from
the
package.
b.
Remove
the
protective
dust
cover,
tape,
or
label
from
the
surface
of
the
microprocessor
socket,
if
present.
c.
Rotate
the
microprocessor
release
lever
on
the
socket
from
its
closed
and
locked
position
until
it
stops
in
the
fully
open
position.
Chapter
2.
Installing
optional
devices
21