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Motherboard Layout
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; Blue)
8
2 x 240-pin DDR3 DIMM Slots
(Dual Channel B: DDR3_A2, DDR3_B2; White)
9
ATX Power Connector (ATXPWR1)
10
Chassis Fan Connector (CHA_FAN3)
11
Southbridge Controller
12
SATA3 Connector (SATA3_1, White)
13
SATA3 Connector (SATA3_2, White)
14
Power LED Header (PLED1)
15
Chassis Speaker Header (SPEAKER 1, White) 36
16
System Panel Header (PANEL1, White)
17
SATA2 Connector (SATA2_3, Blue)
18
SATA2 Connector (SATA2_5, Blue)
19
SATA2 Connector (SATA2_4, Blue)
2
1
2
21.8cm (8.6-in)
PWR_FAN1
USB 2.0
T: USB4
B: USB5
USB 2.0
Top:
T: USB0
RJ-45
B: USB1
USB 3.0
T: USB2
B: USB3
LAN
CHA_FAN2
CHA_FAN3
PCIE1
A55 Pro3
Dual Graphics
PCIE2
USB 3.0
CMOS
BATTERY
AUDIO
PCI1
CODEC
ErP/EuP Ready
X
Fast USB
PCIE3
RoHS
PCI2
PCI3
USB6_7
COM1
IR1
HD_AUDIO1
CLRCMOS1
1
HDMI_SPDIF1
1
1
1
1
1
32
31
30
29
28
27
ASRock A55 Pro3 Motherboard
3
4
5
6
7
8
CPU_FAN2
CPU_FAN1
AMD
A55 FCH
(Hudson-D2)
Chipset
32Mb
BIOS
SATA3 6Gb/s
SATA2_3
SATA2_1
CHA_FAN1
SATA2_2
USB10_11
USB8_9
1
1
CIR1
26
25
24
23
22
21
20
20
SATA2 Connector (SATA2_2, Blue)
21
SATA2 Connector (SATA2_1, Blue)
22
Chassis Fan Connector (CHA_FAN1)
23
USB 2.0 Header (USB10_11, Blue)
24
SPI Flash Memory (32Mb)
25
USB 2.0 Header (USB8_9, Blue)
26
USB 2.0 Header (USB6_7, Blue)
27
Consumer Infrared Module Header (CIR1)
28
Infrared Module Header (IR1)
29
COM Port Header (COM1)
30
Clear CMOS Jumper (CLRCMOS1)
31
HDMI_SPDIF Header (HDMI_SPDIF1, White)
32
Front Panel Audio Header (HD_AUDIO1, White)
33
PCI Slot (PCI3)
34
PCI Slot (PCI2)
35
PCI Express 2.0 x16 Slot (PCIE3; Blue)
PCI Slot (PCI1)
37
PCI Express 2.0 x16 Slot (PCIE2; Blue)
38
PCI Express 2.0 x1 Slot (PCIE1; White)
39
Chassis Fan Connector (CHA_FAN2)
9
10
11
12
13
SATA3_1
SATA3_2
14
SPEAKER1
15
1
1
PLED1
PLED PWRBTN
PANEL 1
16
1
HDLED
RESET
17
SATA2_5
18
SATA2_4
19
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