ECS A75F-A User Manual page 22

18
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.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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.
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
Pin
1
2
3
4
5
6
7
8
9
10
Signal Name
Vbus Front Panel USB Power
IntA_P1_SSRX- USB3 ICC Port1 SuperSpeed Rx-
USB3 ICC Port1 SuperSpeed Rx+
IntA_P2_SSRX+
GND GND
IntA_P1_SSTX- USB3 ICC Port1 SuperSpeed Tx-
IntA_P1_SSTX+ USB3 ICC Port1 SuperSpeed Tx+
GND GND
IntA_P1_D- USB3 ICC Port1 D-
IntA_P1_D+ USB3 ICC Port1 D+
ID USBOC- Over Current Protection
IntA_P2_D+ USB3 ICC Port2 D+
IntA_P2_D- USB3 ICC Port2 D-
GND GND
IntA_P2_SSTX+ USB3 ICC Port2 SuperSpeed Tx+
IntA_P2_SSTX- USB3 ICC Port2 SuperSpeed Tx-
GND GND
USB3 ICC Port2 SuperSpeed Rx+
IntA_P2_SSRX+
IntA_P2_SSRX- USB3 ICC Port2 SuperSpeed Rx-
Vbus Front Panel USB Power
Signal Name
DCDB Data Carrier Detect
SINB Serial Input
SOUTB UART B Serial Output
DTRB UART B Data Terminal Ready
GND Ground
DSRB Data Set Ready
RTSB RART B Request to Send
CTSB Clear to Send
RI Ring Indicator
Key No pin
Installing the Motherboard
Function
Function