The current board is mainly used in USB1.1 and USB2.0, compatible well among the USB version. With a 4-pin USB (USB3.0 standard 9-pin) connector as a standard plug, you can daisy-chain connect all the peripherals, up to 127 can be connected to external devices, and no loss of bandwidth. USB need host hardware, operating systems and peripherals to support three areas to work. The current board is generally used to support USB function controller chip set, also equipped with a USB interface socket on the motherboard, and in addition to the back of the socket, USB pins can be connected to the front of the chassis through the front USB port to connect as easy to use (note that when you want to read the motherboard manual wiring diagram and press connect, do not take the wrong damage to the equipment).