26 Gene-4310 User ManualUSB connector (J7)The Gene-4310 provides two USB (Universal Serial Bus) interfaces,which give complete plug and play, hot attach/detach for up to 127external devices. The USB interfaces comply with USB specifica-tion Rev. 1.0, and can be disabled in the system BIOS setup.USB connector (J7)Pin Function Pin Function1 USB Vcc 2 GND3 UD0- 4 USB GND5 UD0+ 6 UD1+7 USB GND 8 UD1-9 GND 10 USB Vcc