9
1.3 Motherboard Layout
AD2550RA/U3S3
SPEAKER1
1
16Mb
BIOS
HD_AUDIO1
1
AUDIO
CODEC
17.0cm (6.7 in)
1
7
.0
c
m
(6
.7
i
n
)
Super
IO
3
4
6
7
10
12
19
5
FS
B8
00
D
D
R
3_
A
1
(6
4
bi
t, 2
04
-p
in
m
od
ul
e)
FS
B8
00
D
D
R
3_
A
2
(6
4
bi
t, 2
04
-p
in
m
od
ul
e)
LAN
RoHS
AD2550RA/U3S3
USB 2.0
T: USB6
B: USB7
Top:
RJ-45
1
USB01
PCIE1
P2
s
K
eyboard
/
M
ous
e
U
S
B
3
.0
T:
U
S
B
0
B
: U
S
B
1
C
H
A
_
F
A
N
1
24
V
G
A
1
C
O
M
1
USB 2.0
T: USB4
B: USB5
Top:
RJ-45
USB 2.0
T: USB2
B: USB3
eSATA
T
o
p
:
C
e
n
tr
a
l/
B
a
s
s
C
e
n
te
r:
R
E
A
R
S
P
K
B
o
tt
o
m
:
O
p
ti
c
a
l
S
P
D
IF
T
o
p
:
L
IN
E
IN
C
e
n
te
r:
F
R
O
N
T
B
o
tt
o
m
:
M
IC
IN
HDMI1
LAN
1
USB3_23
1
AUX_PANEL1
1
TPMS1
1
USB89
PANEL1
HDLED RESET
PLED PWRBTN
1
SATA3_0
SATA3_1
SATA2_0
SATA2_1
SATA2_3
SATA2_2
SATA2_4
CPU_FAN2
CPU_FAN1
USB10
CMOS
Battery
1 2
9
13
11
14
15
8
17
16
20
18
21
22
23
