Motherboard Layout - ASROCK B75M-DGS User Manual

1.3 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
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)
1
7.2cm (18.3 in)
ATX12V1
PWR_FAN1
X X
Fast LAN Fast USB
X
Fast RAM
LAN
PCIE1
PHY
CMOS
Battery
IR1
1
CI1
PCIE2
COM1
LPT1
1
20 18
19
2 3
CPU_FAN1
RoHS
B75M-DGS
PCI Express 3.0
1
Intel
CLRCMOS1
B75
USB4_5
SATA2_3
SPEAKER1
1
1
USB6_7
PANEL1
PLED PWRBTN
1
1
HDLED RESET
SATA2_2
17 16 15 14 13
15 System Panel Header (PANEL1, Black)
16 Chassis Speaker Header
(SPEAKER1, Black)
17 USB 2.0 Header (USB6_7, Black)
18 USB 2.0 Header (USB4_5, Black)
19 COM Port Header (COM1)
20 Print Port Header (LPT1)
21 Front Panel Audio Header
(HD_AUDIO1, Black)
22 PCI Express 2.0 x1 Slot (PCIE2, Black)
23 Infrared Module Header (IR1)
24 Chassis Intrusion Header (CI1)
25 Clear CMOS Jumper (CLRCMOS1)
26 Power Fan Connector (PWR_FAN1)
12
4
USB3_2_3
64Mb
BIOS
10
SATA2_1
CHA_FAN1
SATA3_0
11
12
5
6
7
8
9