The mainboard supports 2 USB Rear Port and 2 USB Front Header (shared).
J1
1
4
2
5
6
3
1
4
5
2
6
3
1
4
5
2
6
3
1
4
5
2
6
3
J2
1
4
5
2
6
3
1
4
5
2
6
3
1
4
5
2
6
3
1
4
2
5
6
3
2-30
J1
J2
Function
Enables the 2 Rear port and
Disables the USB Front header
Supports 1 Rear port and
1 USB Front header
Enables the 2 USB Front header
and Disables the USB Rear port