Motherboard layout, English, Asrock fm2a75 pro4 motherboard – ASRock FM2A75 Pro4 User Manual
Page 2: So c k et fm 2, Cir1, Fm2a75 pro4
2
ASRock FM2A75 Pro4 Motherboard
English
Motherboard Layout
1
Power Fan Connector (PWR_FAN1)
21
Chassis Speaker Header (SPEAKER1)
2
ATX 12V Power Connector (ATX12V1)
22
Chassis Fan Connector (CHA_FAN1)
3
CPU Heatsink Retention Module
23
Infrared Module Header (IR1)
4
CPU Socket
24
Power LED Header (PLED1)
5
CPU Fan Connector (CPU_FAN1)
25
Clear CMOS Jumper (CLRCMOS1)
6
CPU Fan Connector (CPU_FAN2)
26
USB 2.0 Header (USB7_8)
7
2 x 240-pin DDR3 DIMM Slots
27
USB 2.0 Header (USB5_6)
(Dual Channel A: DDR3_A1, DDR3_B1)
28
USB 2.0 Header (USB3_4)
8
2 x 240-pin DDR3 DIMM Slots
29
Consumer Infrared Module Header (CIR1)
(Dual Channel B: DDR3_A2, DDR3_B2)
30
COM Port Header (COM1)
9
ATX Power Connector (ATXPWR1)
31
HDMI_SPDIF Header (HDMI_SPDIF1)
10
USB 3.0 Header (USB3_7_8)
32
Front Panel Audio Header (HD_AUDIO1)
11
Southbridge Controller
33
PCI Slot (PCI3)
12
SATA3 Connector (SATA3_2)
34
PCI Slot (PCI2)
13
SATA3 Connector (SATA3_1)
35
SPI Flash Memory (64Mb)
14
SATA3 Connector (SATA3_3)
36
PCI Express 2.0 x16 Slot (PCIE4)
15
SATA3 Connector (SATA3_4)
37
PCI Slot (PCI1)
16
Dr. Debug (LED)
38
PCI Express 2.0 x1 Slot (PCIE3)
17
SATA3 Connector (SATA3_5)
39
PCI Express 2.0 x16 Slot (PCIE2)
18
Reset Switch (RSTBTN)
40
PCI Express 2.0 x1 Slot (PCIE1)
19
System Panel Header (PANEL1)
41
Chassis Fan Connector (CHA_FAN2)
20
Power Switch (PWRBTN)
42
Chassis Fan Connector (CHA_FAN3)
Super
I/O
CMOS
BATTERY
A
T
X
P
W
R
1
AMD
A75 FCH
(Hudson-D3)
Chipset
PCIE1
PCI1
LAN
AUDIO
CODEC
CPU_FAN1
3
0
.5
c
m
(1
2
.0
-i
n
)
22.4cm (8.8-in)
64Mb
BIOS
PCIE2
CPU_FAN2
FM2A75 Pro4
D
D
R
3
26
00
+
ATX12V1
SO
C
K
ET
FM
2
PCIE4
Dr.
Debug
D
D
R
3
_
A
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
_
A
2
(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
)
D
D
R
3
_
B
2
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
PWR_FAN1
CHA_FAN3
CHA_FAN2
PCIE3
PCI2
PCI3
Dual Graphics
1
CLRCMOS1
PWRBTN
RSTBTN
HDLED
RESET
PLED PWRBTN
1
PANEL 1
SATA3_5
S
A
TA
3_
4
S
A
TA
3_
2
S
A
TA
3_
3
S
A
TA
3_
1
IR1
1
CHA_FAN1
SPEAKER1
1
PLED1
1
HD_AUDIO1
1
1
HDMI_SPDIF1
COM1
1
1
USB3_4
CIR1
1
1
USB5_6
1
USB7_8
T
o
p
:
C
T
R
B
A
S
S
C
e
n
te
r:
R
E
A
R
S
P
K
B
o
tt
o
m
:
O
p
tic
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
Top:
RJ-45
USB 3.0
T: USB1
B: USB2
P
s
2
K
e
y
b
o
a
rd
/
M
o
u
s
e
VG
A
1
D
V
I1
USB 3.0
T: USB3
B: USB4
H
D
M
I1
C
lr
C
M
O
S
USB 2.0
T: USB1
B: USB2
e
S
A
T
A
1
USB 3.0
T: USB5
B: USB6
U
S
B
3
_
7
_
8
X
Fast USB
X
F
a
s
t
R
A
M
X
Fast LAN
RoHS
ErP/EuP Ready
DX11
Front USB 3.0
6
7
1
2
4
3
5
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42