Biostar A68N-5745 Manual page 13

F_USB1/2: Header for USB 2.0 Ports at Front Panel
This header allows user to add additional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the chassis-mount front panel audio I/O which supports HD
and AC'97 audio standards.
Note
» It is recommended that you connect a high-definition front panel audio module to this connector to
avail of the motherboard's high definition audio capability.
» Please try to disable the "Front Panel Jack Detection" if you want to use an AC'97 front audio output
cable. The function can be found via O.S. Audio Utility.
J_COM1: Serial Port Connector
The motherboard has a serial port header for connecting RS-232 Port.
A68N-5745 / A68N-5545 / A68N-5600
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
HD Audio AC'97
Pin Assignment Pin Assignment
1 Mic Left in 1
2 Ground 2
3 Mic Right in 3
4 GPIO 4
5 Right line in 5
6 Jack Sense 6
7 Front Sense 7
8 Key 8
9 Left line in 9
10 Jack Sense 10
Pin Assignment
1 Carrier detect
2 Received data
3 Transmitted data
4 Data terminal ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator
10 Key
Chapter 2: Hardware installation | 13
Mic In
Ground
Mic Power
Audio Power
RT Line Out
RT Line Out
Reserved
Key
LFT Line Out
LFT Line Out