Biostar A770E3 Owner's Manual

This header allows user to connect the front audio output cable with the PC front 

panel. This header allows only HD audio front panel connector. 

1 

Mic Left in 

2 Ground 
3 

Mic Right in 

4 GPIO 
5 

Right line in 

6 Jack 

Sense 

7 Front 

Sense 

8 Key 
9 

Left line in 

10 Jack 

Sense 

1

2

9

10

 

 

 

This connector allows user to connect the PCI bracket SPDIF output header. 

1 

Left Channel Input 

2 Ground 
3 Ground 

1

3

 

4 

Right Channel Input 

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.

 

1 +5V 

(fused) 

2 +5V 

(fused) 

3 USB- 
4 USB- 
5 USB+ 
6 USB+ 
7 Ground 
8 Ground 
9 Key 

1

2

9

10

F_USB1   F_USB2

 

10 NC