Motherboard Layout
26
USB 2.0
T: USB0
B: USB1
USB 3.0
T: USB0
B: USB1
USB 2.0
Top:
T: USB2
RJ-45
B: USB3
25
24
AUDIO
CODEC
IR1
23
1
22
HD_AUDIO1
1
21
1
ATX 12V Power Connector (ATX12V1)
2
CPU Fan Connector (CPU_FAN1)
3
1155-Pin CPU Socket
4
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
5
ATX Power Connector (ATXPWR1)
6
USB 3.0 Header (USB3_2_3, Black)
7
PCI Express 3.0 x16 Slot (PCIE1, Black)
8
Intel B75 Chipset
9
SPI Flash Memory (64Mb)
10
Chassis Fan Connector (CHA_FAN1)
11
SATA2 Connector (SATA2_1, Black)
12
SATA3 Connector (SATA3_0, Gray)
13
SATA2 Connector (SATA2_2, Black)
14
SATA2 Connector (SATA2_3, Black)
2
1
3
2
7.2cm (18.3 in)
CPU_FAN1
ATX12V1
PWR_FAN1
X
X
Fast LAN
Fast USB
X
B75M-DGS
Fast RAM
LAN
PCIE1
PHY
PCI Express 3.0
CMOS
1
Battery
CLRCMOS1
1
CI1
PCIE2
USB4_5
SPEAKER1
1
1
USB6_7
COM1
LPT1
PANEL1
PLED PWRBTN
1
1
1
HDLED RESET
20
19
18
17
16
15
15
16
17
18
19
20
21
22
23
24
25
26
ASRock B75M-DGS Motherboard
4
RoHS
USB3_2_3
Intel
64Mb
B75
BIOS
SATA2_3
SATA2_1
CHA_FAN1
SATA2_2
SATA3_0
14
13
12
11
System Panel Header (PANEL1, Black)
Chassis Speaker Header
(SPEAKER1, Black)
USB 2.0 Header (USB6_7, Black)
USB 2.0 Header (USB4_5, Black)
COM Port Header (COM1)
Print Port Header (LPT1)
Front Panel Audio Header
(HD_AUDIO1, Black)
PCI Express 2.0 x1 Slot (PCIE2, Black)
Infrared Module Header (IR1)
Chassis Intrusion Header (CI1)
Clear CMOS Jumper (CLRCMOS1)
Power Fan Connector (PWR_FAN1)
5
6
7
8
9
10