5.
Touch
the
static-protective
package
that
contains
the
DIMM
to
any
unpainted
metal
surface
on
the
outside
of
the
server.
Then,
remove
the
DIMM
from
the
package.
6.
Turn
the
DIMM
so
that
the
DIMM
keys
align
correctly
with
the
slot.
7.
Insert
the
DIMM
into
the
connector
by
aligning
the
edges
of
the
DIMM
with
the
slots
at
the
ends
of
the
DIMM
connector.
8.
Firmly
press
the
DIMM
straight
down
into
the
connector
by
applying
pressure
on
both
ends
of
the
DIMM
simultaneously.
The
retaining
clips
snap
into
the
locked
position
when
the
DIMM
is
firmly
seated
in
the
connector.
Note:
If
there
is
a
gap
between
the
DIMM
and
the
retaining
clips,
the
DIMM
has
not
been
correctly
inserted;
open
the
retaining
clips,
remove
the
DIMM,
and
then
reinsert
it.
If
you
have
other
options
to
install
or
remove,
do
so
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
45.
Installing
a
microprocessor
The
following
notes
describe
the
type
of
microprocessor
that
the
server
supports
and
other
information
that
you
must
consider
when
installing
a
microprocessor:
v
The
server
supports
up
to
two
dual
core
microprocessors.
The
server
comes
with
one
dual
core
microprocessor
installed;
you
can
install
a
second
dual
core
microprocessor.
v
Read
the
documentation
that
comes
with
the
microprocessor,
so
that
you
can
determine
whether
you
have
to
update
the
BIOS
code.
To
download
the
latest
level
of
BIOS
code
and
other
code
updates
for
your
server,
go
to
http://www.ibm.com/servers/eserver/support/xseries/index.html.
Select
System
x3550
from
the
Hardware
list,
and
click
the
Download
tab.
v
When
you
install
an
additional
microprocessor,
you
must
also
install
one
additional
cooling
fan.
See
“Installing
a
fan”
on
page
43
for
fan
installation
information.
v
To
order
an
additional
optional
microprocessor,
contact
your
IBM
marketing
representative
or
authorized
reseller.
v
If
you
have
to
replace
a
microprocessor,
call
for
service.
v
The
microprocessor
speeds
are
automatically
set
for
this
server;
therefore,
you
do
not
have
to
set
any
microprocessor
frequency-selection
jumpers
or
switches.
v
If
the
thermal-grease
protective
cover
(for
example,
a
plastic
cap
or
tape
liner)
is
removed
from
the
heat
sink,
do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink
or
set
down
the
heat
sink.
For
details,
see
the
information
about
thermal
grease
in
the
Problem
and
Determination
Service
Guide
.
Chapter
2.
Installing
options
39
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