Motherboard Layout
USB 2.0
T: USB0
B: USB1
USB 2.0
T: USB4
B: USB5
USB 2.0
T: USB2
B: USB3
34
33
LAN
32
31
30
29
AUDIO
CODEC
28
HD_AUDIO1
27
1
ATX 12V Power Connector (ATX12V1)
2
CPU Heatsink Retention Module
3
CPU Socket
4
CPU Fan Connector (CPU_FAN1)
5
Chassis Fan Connector (CHA_FAN2)
6
2 x 240-pin DDR3 DIMM Slots
(Dual Channel: DDR3_A1, DDR3_B1)
7
ATX Power Connector (ATXPWR1)
8
SATA2 Connector (SATA_2)
9
SATA2 Connector (SATA_1)
10
Southbridge Controller
11
SPI Flash Memory (64Mb)
12
Chassis Fan Connector (CHA_FAN1)
13
Chassis Speaker Header (SPEAKER1)
14
System Panel Header (PANEL1)
15
Clear CMOS Jumper (CLRCMOS1)
16
Power LED Header (PLED1)
17
SATA2 Connector (SATA_4)
2
1
2
3
4
CPU_FAN1
DX11
PCIE1
FM2A55 Pro
PCIE2
CMOS
BATTERY
PCIE3
PCIE4
X
Fast RAM
PCIE5
RoHS
X
X
Fast LAN
Fast USB
PCI1
PCI2
USB6_7
COM1
IR1
USB8_9
HDMI_SPDIF1
1
1
1
1
1
1
CIR1
25
26
24
23
22
21
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
ASRock FM2A55 Pro Motherboard
5
6
CHA_FAN2
7
SATA_1
SATA_2
8
9
AMD
A55 FCH
10
(Hudson-D2)
Chipset
11
12
64Mb
BIOS
CHA_FAN1
13
SPEAKER1
1
PLED PWRBTN
14
1
HDLED
RESET
PANEL 1
SATA_3
SATA_4
CLRCMOS1
15
1
16
PLED1
1
SATA_5
SATA_6
19
17
20
18
SATA2 Connector (SATA_6)
SATA2 Connector (SATA_5)
SATA2 Connector (SATA_3)
USB 2.0 Header (USB8_9)
USB 2.0 Header (USB6_7)
Consumer Infrared Module Header (CIR1)
Infrared Module Header (IR1)
COM Port Header (COM1)
HDMI_SPDIF Header (HDMI_SPDIF1)
Front Panel Audio Header (HD_AUDIO1)
PCI Slot (PCI2)
PCI Slot (PCI1)
PCI Express 2.0 x16 Slot (PCIE5)
PCI Express 2.0 x1 Slot (PCIE4)
PCI Express 2.0 x1 Slot (PCIE3)
PCI Express 2.0 x16 Slot (PCIE2)
PCI Express 2.0 x1 Slot (PCIE1)