Biostar Hi-Fi A88S2G Setup Manual page 17

JFRONT_USB3_1: Header for USB 3.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC front panel,
and also can be connected with a wide range of simultaneously accessible
external Plug and Play peripherals.
Pin Assignment
1 VBUS0
2 SSRX1-
3 SSRX1+
4 Ground
5 SSTX1-
6 SSTX1+
7 Ground
8 D1-
9 D1+
10 ID
Note: The USB 3.0 header is only for Hi-Fi A88S2G & Hi-Fi A78S2G.
F_USB1/F_USB2: 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 a wide range of simultaneously accessible
external Plug and Play peripherals.
Hi-Fi A88S2G/Hi-Fi A78S2G/Hi-Fi A58S2G
Pin Assignment
11 D2+
12 D2-
13 Ground
14 SSTX2+
15 SSTX2-
16 Ground
17 SSRX2+
18 SSRX2-
19 VBUS1
20 Key
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
15