Lenovo RD120 User Manual
Page 70
Note:
For
simplicity,
certain
components
are
not
shown
in
this
illustration.
1
Heat
sink
2
Heat-sink
filler
3
Microprocessor
4
Microprocessor-socket
dust
cover
Attention:
v
A
startup
(boot)
microprocessor
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,
front-side
bus
frequency,
and
clock
speed.
Microprocessor
internal
and
external
clock
frequencies
must
be
identical.
To
install
an
additional
microprocessor,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
and
2.
Turn
off
the
server
and
disconnect
all
power
cords
and
external
cables
(see
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
Lenovo
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
3.
Remove
the
server
cover
(see
56
ThinkServer
RD120
Types
6444,
6445,
6446,
and
6447:
User
Guide