22
D
D
X
X
P
P
S
S
/
/
D
D
X
X
P
P
S
S
P
P
l
l
u
u
s
s
/
/
D
D
X
X
P
P
S
S
-
-
U
U
/
/
D
D
X
X
P
P
S
S
P
P
l
l
u
u
s
s
-
-
U
U
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
H
H
o
o
w
w
t
t
o
o
I
I
n
n
s
s
t
t
a
a
l
l
l
l
M
M
e
e
m
m
o
o
r
r
y
y
M
M
o
o
d
d
u
u
l
l
e
e
s
s
Please follow the procedure as shown below to finish memory installation.
1. Make sure the DIMM module’s pin face down and match the socket’s size as depicted below.
2. Insert the module straight down to the DIMM slot with both hands and press down firmly until the DIMM module is securely
in place.
3. Repeat step 2 to finish additional DIMM modules installation.
52 pins
40 pins
Pin 1
Tab
Pin 1
Key
