2
ASRock B75 Pro3 Motherboard
English
Motherboard Layout
1
CPU Fan Connector (CPU_FAN1)
2
CPU Fan Connector (CPU_FAN2)
3
1155-Pin CPU Socket
4
ATX 12V Power Connector (ATX12V1)
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
2 x 240-pin DDR3 DIMM Slots
(DDR3_A2, DDR3_B2, Black)
7
ATX Power Connector (ATXPWR1)
8
USB 3.0 Header (USB3_2_3, Black)
9
Intel B75 Chipset
10
Chassis Fan Connector (CHA_FAN2)
11
SPI Flash Memory (64Mb)
12
SATA2 Connector (SATA2_4, Black)
13
SATA2 Connector (SATA2_5, Black)
14
SATA2 Connector (SATA2_3, Black)
15
SATA2 Connector (SATA2_2, Black)
16
Chassis Speaker Header (SPEAKER1, Black)
17
SATA2 Connector (SATA2_1, Black)
18
SATA3 Connector (SATA3_0, Gray)
19
SATA3 Connector (SATA3_A0, Gray)
20
SATA3 Connector (SATA3_A1, Gray)
21
System Panel Header (PANEL1, Black)
22
Power LED Header (PLED1)
23
USB 2.0 Header (USB6_7, Black)
24
Clear CMOS Jumper (CLRCMOS1)
25
USB 2.0 Header (USB4_5, Black)
26
Consumer Infrared Module Header
(CIR1, Gray)
27
Infrared Module Header (IR1)
28
COM Port Header (COM1)
29
HDMI_SPDIF Header (HDMI_SPDIF1, Black)
30
Front Panel Audio Header
(HD_AUDIO1, Black)
31
PCI Express 2.0 x1 Slot (PCIE3, Black)
32
PCI Slot (PCI2, Black)
33
PCI Express 2.0 x16 Slot (PCIE2, Black)
34
PCI Slot (PCI1, Black)
35
PCI Express 3.0 x16 Slot (PCIE1, Black)
36
Power Fan Connector (PWR_FAN1)
37
Chassis Fan Connector (CHA_FAN1)
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