Motherboard Layout - ASROCK B75M R2.0 User Manual

1.3 Motherboard Layout

USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB0
B: USB1
33
USB 2.0
T: USB4
B: USB5
32
31
AUDIO
CODEC
30
29
28
1
27
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 USB 3.0 Header (USB3_2_3, Black)
12 Intel B75 Chipset
13 SPI Flash Memory (64Mb)
14 SATA2 Connector (SATA2_1, Black)
15 SATA2 Connector (SATA2_3, Black)
16 SATA2 Connector (SATA2_4, Black)
17 Chassis Speaker Header (SPEAKER1, Black)
1 2
8.4cm (21.3 in)
PWR_FAN1
ATX12V1
Top:
LAN
RJ-45
PHY
CMOS
Battery
1
CLRCMOS1
1
PCIE1
PCI1
Front USB 3.0
PCI2
X
X
X
Fast USB
Fast RAM
PCIE2
LPT1
CI1
1
26
3 5
4
CPU_FAN1
RoHS
PCI Express 3.0
B75M
Intel
B75
SATA2_1
Fast LAN
SATA2_2
USB8_9
COM1
USB6_7
PLED PWRBTN
IR1
1
1
1
CIR1
1
1 HDLED RESET
PANEL1
25 24 23 22 21 20
18 SATA2 Connector (SATA2_5, Black)
19 SATA2 Connector (SATA2_2, Black)
20 System Panel Header (PANEL1, Black)
21 USB 2.0 Header (USB6_7, Black)
22 USB 2.0 Header (USB8_9, Black)
23 Consumer Infrared Module Header
(CIR1, Gray)
24 Infrared Module Header (IR1)
25 COM Port Header (COM1)
26 Print Port Header (LPT1)
27 Chassis Intrusion Header (CI1)
28 PCI Express 2.0 x16 Slot (PCIE2, Black)
29 PCI Slot (PCI2, Black)
30 PCI Slot (PCI1, Black)
31 PCI Express 3.0 x16 Slot (PCIE1, Black)
32 Front Panel Audio Header
(HD_AUDIO1, Black)
33 Clear CMOS Jumper (CLRCMOS1)
13
6
7
8
9
10
11
CHA_FAN1
USB3_2_3
12
64Mb 13
BIOS
14
SATA2_3
15
16
SATA2_4
17
1
SPEAKER1
18
SATA2_5
19