Biostar BIB75-M2T User Manual page 17

JFRONT_USB3_1: Header for USB 3.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC front panel,
and also can be connected with internal USB devices, like USB card reader.
Pin Assignment
1 VBUS0
2 SSRX1-
3 SSRX1+
4 Ground
5 SSTX1-
6 SSTX1+
7 Ground
8 D1-
9 D1+
10 ID
Note: USB3.0 is only supported by Windows 7 and backward compatible with USB2.0/1.1.
JCOM1/2: Serial Port Connectors
The motherboard has 2 Serial Port Connectors for connecting RS-232 Port.
Pin Assignment
11 D2+
12 D2-
13 Ground
14 SSTX2+
15 SSTX2-
16 Ground
17 SSRX2+
18 SSRX2-
19 VBUS1
20 Key
Pin
1
2
3
4
5
6
7
8
9
BIB75-M2T
Assignment
Carrier detect (DCD)
Received data (RXD)
Transmitted data (TXD)
Data terminal ready (DTR)
Signal ground (GND)
Data set ready (DSR)
Request to send (RTS)
Clear to send (CTS)
Ring
15