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Motherboard Layout
1
PWR_FAN1
USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB0
B: USB1
33
USB 2.0
Top:
T: USB4
LAN
RJ-45
PHY
B: USB5
32
1
31
AUDIO
CODEC
30
Front USB 3.0
29
X
28
Fast USB
CI1
1
27
1
Power Fan Connector (PWR_FAN1)
2
ATX 12V Power Connector (ATX12V1)
3
1155-Pin CPU Socket
4
CPU Fan Connector (CPU_FAN1)
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
ATX Power Connector (ATXPWR1)
7
SATA3 Connector (SATA3_A0, Gray)
8
SATA3 Connector (SATA3_A1, Gray)
9
SATA3 Connector (SATA3_0, Gray)
10
Chassis Fan Connector (CHA_FAN1)
11
USB 3.0 Header (USB3_2_3, Black)
12
Intel B75 Chipset
13
SPI Flash Memory (64Mb)
14
SATA2 Connector (SATA2_1, Black)
15
SATA2 Connector (SATA2_3, Black)
16
SATA2 Connector (SATA2_4, Black)
17
Chassis Speaker Header (SPEAKER1, Black)
2
ASRock B75M R2.0 Motherboard
2
3
4
5
8.4cm (21.3 in)
CPU_FAN1
ATX12V1
RoHS
CMOS
Battery
CHA_FAN1
PCI Express 3.0
1
CLRCMOS1
PCIE1
B75M
PCI1
Intel
B75
PCI2
SATA2_1
X
X
Fast RAM
Fast LAN
PCIE2
SATA2_2
USB8_9
COM1
USB6_7
LPT1
PLED PWRBTN
IR1
1
1
1
1
1
CIR1
1
HDLED RESET
PANEL1
26
25
24
23
22
21
20
19
18
SATA2 Connector (SATA2_5, Black)
19
SATA2 Connector (SATA2_2, Black)
20
System Panel Header (PANEL1, Black)
21
USB 2.0 Header (USB6_7, Black)
22
USB 2.0 Header (USB8_9, Black)
23
Consumer Infrared Module Header
(CIR1, Gray)
24
Infrared Module Header (IR1)
25
COM Port Header (COM1)
26
Print Port Header (LPT1)
27
Chassis Intrusion Header (CI1)
28
PCI Express 2.0 x16 Slot (PCIE2, Black)
29
PCI Slot (PCI2, Black)
30
PCI Slot (PCI1, Black)
31
PCI Express 3.0 x16 Slot (PCIE1, Black)
32
Front Panel Audio Header
(HD_AUDIO1, Black)
33
Clear CMOS Jumper (CLRCMOS1)
6
7
8
9
10
11
USB3_2_3
12
13
64Mb
BIOS
14
SATA2_3
15
16
SATA2_4
17
1
SPEAKER1
18
SATA2_5
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