c.
Using
a
screwdriver,
secure
the
heat
sink
to
the
microprocessor
socket
on
the
SMP
board
using
the
two
captive
mounting
screws.
Press
firmly
on
the
screws
and
tighten
them,
alternating
between
them.
Do
not
overtighten
the
screws.
11.
Close
the
SMP
Expansion
Module
top
cover;
then,
install
the
module
in
the
server.
For
details,
see
12.
If
you
have
other
options
to
install
or
remove,
do
so
now.
13.
Close
the
cover
on
the
server;
then,
install
the
server
in
the
rack
cabinet
and
connect
all
external
cables.
For
details,
see
14.
Turn
on
the
server.
When
you
install
or
remove
microprocessors,
the
server
configuration
information
changes.
Therefore,
you
must
change
and
save
the
new
configuration
information
by
using
the
Configuration/Setup
Utility
program.
See
the
User’s
Guide
on
the
IBM
xSeries
Documentation
CD.
Important:
If
your
server
will
not
start
after
replacing
or
installing
a
microprocessor,
you
might
have
installed
a
microprocessor
in
the
wrong
socket
or
installed
a
microprocessor
of
a
different
type,
or
the
VRM
is
not
seated
properly.
Ensure
that
you
have
installed
the
microprocessor
in
the
correct
location
and
that
it
is
of
the
same
type.
Also
ensure
that
the
VRM
is
properly
seated
in
the
slot.
Installing
a
memory
module
The
following
notes
describe
the
types
of
dual
inline
memory
modules
(DIMMs)
that
your
server
supports
and
other
information
that
you
must
consider
when
installing
DIMMs:
v
IBM
periodically
makes
updates
available
to
provide
enhancements
to
the
standard
features
of
your
server.
Currently,
your
server
supports
the
memory
mirroring
and
Memory
ProteXion
features
of
the
Active
Memory
technology.
Be
sure
to
check
the
IBM
support
Web
site
occasionally
to
ensure
that
you
have
the
most
current
levels
of
system
software
installed.
v
To
use
the
hot-add
and
hot-swap
memory
features,
you
must
reconfigure
your
server
using
the
Configuration/Setup
Utility
program.
See
the
User’s
Guide
on
the
IBM
xSeries
Documentation
CD
for
additional
information.
Note:
The
server
must
have
a
minimum
of
4
GB
of
memory
installed
before
you
can
configure
the
hot-add
memory
feature.
v
Your
server
operates
with
a
minimum
of
two
512
MB
DIMMs
installed
in
slots
1
and
3
in
the
SMP
Expansion
Module.
When
installing
or
removing
DIMMs,
you
must
install
or
remove
the
DIMMs
two
at
a
time
and
in
the
order
described
in
this
section.
v
Use
the
instructions
in
to
help
maintain
performance.
See
the
ServerProven
list
at
for
a
list
of
memory
modules
for
use
with
your
server.
Note:
For
optimum
performance,
balance
the
amount
of
memory
between
the
two
ports.
Chapter
2.
Installing
options
19
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