Biostar TA990FXE Setup Manual page 20

Motherboard Manual
F_USB1/F_USB2: Headers for USB 2.0 Ports at Front Panel
These headers allow user to connect additional USB cable on the PC front panel,
and also can be connected with internal USB devices, like USB card reader.
JUSBV1/JUSBV2: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at USB1/USB_1394_ESATA1/RJ45USB1.
JUSBV2: +5V for USB ports at F_USB1/F_USB2/JFRONT_USB3_1.
Pin 2-3 Close:
JUSBV1: +5V STB for USB ports at USB1/USB_1394_ESATA1/
RJ45USB1.
JUSBV2: +5V STB for USB ports at F_USB1/F_USB2/JFRONT_USB3_1.
18
F_USB2 F_US B1
1 0 9
2 1
JUSBV1
1
3
1 3
JUSBV2
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
1 3
Pin 1-2 close
1 3
Pin 2-3 close