Motherboard Layout
USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB0
B: USB1
31
USB 2.0
Top:
T: USB4
RJ-45
B: USB5
30
29
AUDIO
CODEC
28
27
26
CI1
1
25
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_0, Gray)
8
Chassis Fan Connector (CHA_FAN1)
9
USB 3.0 Header (USB3_2_3, Black)
10
Intel B75 Chipset
11
SPI Flash Memory (64Mb)
12
SATA2 Connector (SATA2_1, Black)
13
SATA2 Connector (SATA2_3, Black)
14
SATA2 Connector (SATA2_4, Black)
15
Chassis Speaker Header (SPEAKER1, Black)
16
SATA2 Connector (SATA2_5, Black)
2
1
2
3
4
8.4cm (21.3 in)
CPU_FAN1
PWR_FAN1
ATX12V1
LAN
PHY
CMOS
Battery
PCI Express 3.0
1
CLRCMOS1
1
PCIE1
B75M-GL
PCI1
Front USB 3.0
PCI2
X
X
X
Fast USB
Fast RAM
Fast LAN
PCIE2
USB8_9
COM1
LPT1
IR1
1
1
CIR1
1
1
24
23
22
20
21
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
ASRock B75M-GL R2.0 Motherboard
5
RoHS
CHA_FAN1
USB3_2_3
10
Intel
64Mb
11
BIOS
B75
12
SATA2_1
SATA2_3
13
14
SATA2_2
SATA2_4
15
1
SPEAKER1
USB6_7
PLED PWRBTN
16
1
1
SATA2_5
HDLED RESET
PANEL1
19
18
17
SATA2 Connector (SATA2_2, Black)
System Panel Header (PANEL1, Black)
USB 2.0 Header (USB6_7, Black)
USB 2.0 Header (USB8_9, Black)
Consumer Infrared Module Header
(CIR1, Gray)
Infrared Module Header (IR1)
COM Port Header (COM1)
Print Port Header (LPT1)
Chassis Intrusion Header (CI1)
PCI Express 2.0 x16 Slot (PCIE2, Black)
PCI Slot (PCI2, Black)
PCI Slot (PCI1, Black)
PCI Express 3.0 x16 Slot (PCIE1, Black)
Front Panel Audio Header
(HD_AUDIO1, Black)
Clear CMOS Jumper (CLRCMOS1)
6
7
8
9