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Motherboard Layout
31
30
29
28
27
26
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
Intel B75 Chipset
12
SPI Flash Memory (64Mb)
13
SATA2 Connector (SATA2_1, Black)
14
SATA2 Connector (SATA2_3, Black)
15
SATA2 Connector (SATA2_4, Black)
16
Chassis Speaker Header (SPEAKER1, Black)
2
1
2
8.4cm (21.3 in)
Designed in Taipei
PWR_FAN1
ATX12V1
USB 3.0
T: USB0
B: USB1
USB 3.0
T: USB2
B: USB3
USB 2.0
Top:
T: USB4
LAN
RJ-45
B: USB5
PHY
CMOS
Battery
1
CLRCMOS1
1
PCIE1
PCI1
AUDIO
CODEC
ErP/EuP Ready
PCI2
X
X
Fast USB
Fast RAM
PCIE2
COM1
LPT1
1
25
24
ASRock B75M Motherboard
3
5
4
CPU_FAN1
RoHS
PCI Express 3.0
B75M
Intel
B75
SATA2_1
X
Fast LAN
SATA2_2
USB8_9
USB6_7
PLED PWRBTN
IR1
1
1
1
1
CIR1
1
HDLED RESET
PANEL1
23
22
21
20
19
17
SATA2 Connector (SATA2_5, Black)
18
SATA2 Connector (SATA2_2, Black)
19
System Panel Header (PANEL1, Black)
20
USB 2.0 Header (USB6_7, Black)
21
USB 2.0 Header (USB8_9, Black)
22
Consumer Infrared Module Header
(CIR1, Gray)
23
Infrared Module Header (IR1)
24
COM Port Header (COM1)
25
Print Port Header (LPT1)
26
PCI Express 2.0 x16 Slot (PCIE2, Black)
27
PCI Slot (PCI2, Black)
28
PCI Slot (PCI1, Black)
29
PCI Express 3.0 x16 Slot (PCIE1, Black)
30
Front Panel Audio Header
(HD_AUDIO1, Black)
31
Clear CMOS Jumper (CLRCMOS1)
6
7
8
9
10
CHA_FAN1
11
64Mb
12
BIOS
13
SATA2_3
14
15
SATA2_4
16
1
SPEAKER1
17
SATA2_5
18
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