Motherboard Layout
USB 2.0
T: USB0
B: USB1
USB 3.0
T: USB0
B: USB1
USB 2.0
Top:
T: USB2
RJ-45
B: USB3
26
AUDIO
CODEC
25
IR1
24
1
23
1
HD_AUDIO1
1
22
1
ATX 12V Power Connector (ATX12V1)
2
Power Fan Connector (PWR_FAN1)
3
ATX Power Connector (ATXPWR1)
4
1155-Pin CPU Socket
5
CPU Fan Connector (CPU_FAN1)
6
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1)
7
USB 3.0 Header (USB3_2_3)
8
SATA2 Connector (SATA2_1)
9
SATA3 Connector (SATA3_0)
10
SPI Flash Memory (64Mb)
11
PCI Express 3.0 x16 Slot (PCIE1)
12
Intel B75 Chipset
13
Clear CMOS Jumper (CLRCMOS1)
2
1
2
3
ATXPWR1
PWR_FAN1
ATX12V1
CMOS
Battery
B75M-DGS
CHA_FAN1
LAN
PHY
PCIE1
PCI1
CI1
USB4_5
USB6_7
COM1
LPT1
1
1
1
1
21
20
19
18
14
15
16
17
18
19
20
21
22
23
24
25
26
ASRock B75M-DGS R2.0 Motherboard
4
5
6
CPU_FAN1
USB3_2_3
64Mb
BIOS
Intel
B75
SATA2_2
SPEAKER1
1
PLED PWRBTN
1
1
CLRCMOS1
HDLED RESET
PANEL1
SATA2_3
15
17
16
14
SATA2 Connector (SATA2_2)
SATA2 Connector (SATA2_3)
Chassis Speaker Header (SPEAKER1)
System Panel Header (PANEL1)
USB 2.0 Header (USB6_7)
USB 2.0 Header (USB4_5)
COM Port Header (COM1)
Print Port Header (LPT1)
Front Panel Audio Header
(HD_AUDIO1)
PCI Slot (PCI1)
Infrared Module Header (IR1)
Chassis Intrusion Header (CI1)
Chassis Fan Connector (CHA_FAN1)
7
8
9
10
11
12
13