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Motherboard Layout
42
41
40
39
38
37
36
35
34
33
1
Power Fan Connector (PWR_FAN1)
2
ATX 12V Power Connector (ATX12V1)
3
CPU Heatsink Retention Module
4
CPU Socket
5
CPU Fan Connector (CPU_FAN1)
6
CPU Fan Connector (CPU_FAN2)
7
2 x 240-pin DDR3 DIMM Slots
(Dual Channel A: DDR3_A1, DDR3_B1)
8
2 x 240-pin DDR3 DIMM Slots
(Dual Channel B: DDR3_A2, DDR3_B2)
9
ATX Power Connector (ATXPWR1)
10
USB 3.0 Header (USB3_7_8)
11
Southbridge Controller
12
SATA3 Connector (SATA3_2)
13
SATA3 Connector (SATA3_1)
14
SATA3 Connector (SATA3_3)
15
SATA3 Connector (SATA3_4)
16
Dr. Debug (LED)
17
SATA3 Connector (SATA3_5)
18
Reset Switch (RSTBTN)
19
System Panel Header (PANEL1)
20
Power Switch (PWRBTN)
2
3
1
2
22.4cm (8.8-in)
USB 3.0
T: USB1
B: USB2
PWR_FAN1
USB 3.0
T: USB3
B: USB4
USB 2.0
T: USB1
B: USB2
USB 3.0
Top:
T: USB5
RJ-45
B: USB6
X
Fast LAN
CHA_FAN3
CHA_FAN2
PCIE1
FM2A75 Pro4
Dual Graphics
PCIE2
DX11
LAN
CMOS
BATTERY
PCIE3
PCI1
ErP/EuP Ready
X
PCIE4
PCI2
AUDIO
CODEC
RoHS
PCI3
USB3_4
COM1
HD_AUDIO1
1
HDMI_SPDIF1
1
1
1
32
31
30
29
ASRock FM2A75 Pro4 Motherboard
5
6
7
8
4
CPU_FAN2
CPU_FAN1
Front USB 3.0
AMD
A75 FCH
(Hudson-D3)
Chipset
CLRCMOS1
1
Fast USB
64Mb
BIOS
Dr.
Debug
SPEAKER1
PLED1
1
1
PWRBTN
USB7_8
IR1
CHA_FAN1
USB5_6
PLED PWRBTN
1
1
1
1
CIR1
HDLED
PANEL 1
28
27
26
25
24
23
22
21
20
21
Chassis Speaker Header (SPEAKER1)
22
Chassis Fan Connector (CHA_FAN1)
23
Infrared Module Header (IR1)
24
Power LED Header (PLED1)
25
Clear CMOS Jumper (CLRCMOS1)
26
USB 2.0 Header (USB7_8)
27
USB 2.0 Header (USB5_6)
28
USB 2.0 Header (USB3_4)
29
Consumer Infrared Module Header (CIR1)
30
COM Port Header (COM1)
31
HDMI_SPDIF Header (HDMI_SPDIF1)
32
Front Panel Audio Header (HD_AUDIO1)
33
PCI Slot (PCI3)
34
PCI Slot (PCI2)
35
SPI Flash Memory (64Mb)
36
PCI Express 2.0 x16 Slot (PCIE4)
37
PCI Slot (PCI1)
38
PCI Express 2.0 x1 Slot (PCIE3)
39
PCI Express 2.0 x16 Slot (PCIE2)
40
PCI Express 2.0 x1 Slot (PCIE1)
41
Chassis Fan Connector (CHA_FAN2)
42
Chassis Fan Connector (CHA_FAN3)
9
10
11
12
13
14
15
16
SATA3_5
17
18
RSTBTN
19
RESET
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