Biostar A770 A2G PLUS Setup Manual page 16

Motherboard Manual
JUSB3/JUSB4: Headers for USB 2.0 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.
JAUDIOF: Front Panel Audio Header
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; AC'97 connector
is not acceptable.
14
Pin
1
2
3
4
5
6
JU SB3 JUSB4
7
8
2 10
9
10
9
1
2 10
1 9
Assignment
+5V (fused)
+5V (fused)
USB-
USB-
USB+
USB+
Ground
Ground
Key
NC
Pin Assignment
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