ECS A75F-A, User Manual, Page: 22 / 76

18
Installing the Motherboard
1
Vbus Front Panel USB Power
2
IntA_P1_SSRX- USB3 ICC Port1 SuperSpeed Rx-
3
IntA_
USB3 ICC Port1 SuperSpeed Rx+
4
GND GND
5
IntA_P1_SSTX- USB3 ICC Port1 SuperSpeed Tx-
6
IntA_ USB3 ICC Port1 SuperSpeed Tx+
7
GND GND
8
IntA_P1_D- USB3 ICC Port1 D-
9
In USB3 ICC Port1 D+
10
ID USBOC- Over Current Protection
Pin Signal Name Function
USB3F: Front Panel USB 3.0 header
This Motherboard implements one USB 3.0 header supporting 2 extra front USB 3.0
ports, which delivers 5Gb/s transfer rate.
11
In USB3 ICC Port2 D+
12
IntA_P2_D- USB3 ICC Port2 D-
13
GND GND
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
15
IntA_P2_SSTX- USB3 ICC Port2 SuperSpeed Tx-
16
GND GND
17
IntA_
USB3 ICC Port2 SuperSpeed Rx+
18
IntA_P2_SSRX- USB3 ICC Port2 SuperSpeed Rx-
19
Vbus Front Panel USB Power
14
IntA_ USB3 ICC Port2 SuperSpeed Tx+
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
1
DCDB Data Carrier Detect
2
SINB Serial Input
3
SOUTB UART B Serial Output
4
DTRB UART B Data Terminal Ready
5
GND Ground
6
DSRB Data Set Ready
7
RTSB RART B Request to Send
8
CTSB Clear to Send
9
RI Ring Indicator
10
Key No pin
Pin Signal Name Function