Biostar A68N-5745 - Front Panel USB and Audio Connectors

Chapter 2: Hardware installaon | 13
A68N-5745 / A68N-5545 / A68N-5600
F_USB1/2: Header for USB 2.0 Ports at Front Panel
This header allows user to add addional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
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.
HD Audio AC’97
Pin Assignment Pin Assignment
1 Mic Le in 1 Mic In
2 Ground 2 Ground
3 Mic Right in 3 Mic Power
4 GPIO 4 Audio Power
5 Right line in 5 RT Line Out
6 Jack Sense 6 RT Line Out
7 Front Sense 7 Reserved
8 Key 8 Key
9 Le line in 9 LFT Line Out
10 Jack Sense 10 LFT Line Out
Note
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 Itisrecommendedthatyouconnectahigh-denionfrontpanelaudiomoduletothisconnectorto
availofthemotherboard’shighdenionaudiocapability.
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 Pleasetrytodisablethe“FrontPanelJackDetecon”ifyouwanttouseanAC’97frontaudiooutput
cable.ThefunconcanbefoundviaO.S.AudioUlity.
J_COM1: Serial Port Connector
The motherboard has a serial port header for connecng RS-232 Port.
Pin Assignment
1 Carrier detect
2 Received data
3 Transmied 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