Introduction - If you have any usage issues, please Google them yourself
PS2 interface is by far the most common mouse interfaces, the original is IBM s patent, commonly known as "small". This is a kind of special mouse and keyboard interface, is a kind of 6 needle circular interface. But the mouse only use one of the four needles to transmit data and power supply, the rest 2 is empty. The PS/2 interface transmission rate slightly faster than the COM interface, and is the standard interface ATX motherboard, is one of the most widely used the mouse interface