12
1.4 Motherboard Layout
1
ATX 12V Power Connector (ATX12V1)
14
Southbridge Controller
2
Power Fan Connector (PWR_FAN1)
15
System Panel Header (PANEL1)
3
CPU Fan Connector (CPU_FAN1)
16
Infrared Module Header (IR1)
4
CPU Socket
17
Print Port Header (LPT1)
5
CPU Heatsink Retention Module
18
USB 2.0 Header (USB6_7)
6
2 x 240-pin DDR3 DIMM Slots
19
Consumer Infrared Module Header (CIR1)
(Dual Channel: DDR3_A1, DDR3_B1)
20
USB 2.0 Header (USB8_9)
7
ATX 12V Power Connector (ATX12V1)
21
COM Port Header (COM1)
8
Chassis Fan Connector (CHA_FAN1)
22
PCI Slot (PCI1)
9
Chassis Speaker Header (SPEAKER1)
23
SPI Flash Memory (32Mb)
10
SATA3 Connector (SATA_4)
24
PCI Express 2.0 x16 Slot (PCIE1)
11
SATA3 Connector (SATA_3)
25
Front Panel Audio Header (HD_AUDIO1)
12
SATA3 Connector (SATA_1)
26
Clear CMOS Jumper (CLRCMOS1)
13
SATA3 Connector (SATA_2)
Super
I/O
CMOS
BATTERY
A
T
X
P
W
R
1
AMD
A75 FCH
(Hudson-D3)
Chipset
COM1
PCI1
LAN
AUDIO
CODEC
1
CLRCMOS1
1
CPU_FAN1
HDLED
RESET
PLED PWRBTN
1
PANEL 1
CHA_FAN1
SPEAKER1
1
HD_AUDIO1
1
32Mb
BIOS
IR1
1
PCIE1
F
S
B
8
0
0
D
D
R
3
_
A
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
_
B
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
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
R
J-
45
L
A
N
1
1
USB6_7
USB8_9
A75M-DGS
E
rP
/E
u
P
R
e
a
d
y
R
o
H
S
D
D
R
3
2
4
0
0
+
USB 2.0
T: USB0
B: USB1
CIR1
1
SO
C
K
ET
FM
1
S
A
TA
_4
S
A
TA
_3
1
LPT1
P
S
2
M
o
u
s
e
P
S
2
K
e
y
b
o
a
rd
V
G
A
1
USB 3.0
T: USB2
B: USB3
D
u
a
lG
ra
p
h
ic
s
X
F
a
s
t
U
S
B
PWR_FAN1
X
F
a
s
t
L
A
N
X
F
a
s
t
R
A
M
SATA_2
SATA_1
ATX12V1
DX11
1
2
4
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
D
V
I1
USB 3.0
T: USB4
B: USB5
