6.
Slide
the
server
into
the
rack.
Memory
card
and
memory
module
(DIMM)
The
server
supports
333
MHz,
1.8V,
240
pin,
PC2-3200
single-ranked
double
data-rate
(DDR)
II,
registered
synchronous
dynamic
random-access
memory
(SDRAM)
with
error
correcting
code
(ECC)
DIMMs.
These
DIMMs
must
be
compatible
with
the
latest
PC2-3200
SDRAM
Registered
DIMM
specifications.
For
a
list
of
the
supported
options
for
the
server,
see
http://www.ibm.com/servers/eserver/
Removing
and
replacing
a
memory
card
At
least
one
memory
card
with
one
pair
of
DIMMs
must
be
installed
for
the
server
to
operate
correctly.
To
remove
the
memory
card,
complete
the
following
steps:
AC
DC
1.
Read
the
safety
information
that
begins
on
page
and
2.
Remove
the
top
cover
(see
Attention:
To
ensure
proper
cooling
and
airflow,
do
not
operate
the
server
for
more
than
2
minutes
with
the
top
cover
removed.
3.
Open
the
locking
levers
on
the
edge
of
the
memory
card;
then,
lift
the
memory
card
out
of
the
server.
4.
If
you
are
instructed
to
return
the
memory
card,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
126
IBM
System
x3950
Type
8878
and
System
x3950
E
Type
8879:
Problem
Determination
and
Service
Guide
