v
If
the
two
DIMM
connectors
closest
to
the
edge
of
the
system
board
are
a
yellow
color,
your
system
board
has
DDR
type
memory.
DDR
DIMMs
are
184-pin,
2.5
V
and
can
be
used
in
any
combination
of
128
MB,
256
MB,
512
MB,
and
1
GB
sizes.
v
If
the
two
DIMM
connectors
closest
to
the
edge
of
the
system
board
are
a
green
color,
your
system
board
has
DDR2
type
memory.
DDR
DIMMs
are
240-pin,
1.8
V
and
can
be
used
in
any
combination
of
256
MB,
512
MB,
and
1
GB
sizes.
Note:
The
type
of
memory
required
is
also
indicated
in
text
near
the
IBM
logo
on
the
system
board.
To
install
a
DIMM:
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
10.
2.
You
might
have
to
remove
an
adapter
to
gain
access
to
the
DIMM
slots.
See
“Installing
adapters”
on
page
14.
3.
Rotate
the
drive
bay
assembly
upward
to
gain
access
to
the
system
board.
*
X
XXX
X
XX
XX*
*
X
XXX
X
XX
XX*
4.
To
locate
the
DIMM
connectors.
See
“Identifying
parts
on
the
system
board”
on
page
11.
5.
Open
the
retaining
clips.
Chapter
1.
Installing
options
13
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