Keyboard and Mouse Port (PS2)
The PS/2 standard, introduced by IBM in 1987, stands for Personal System/2.
PS/2 port is commonly used to plug in a keyboard or mouse.
320
Ports
Pin
Signal
1
Keyboard/mouse data
2
(Reserved)
3
Ground
4
Keyboard/mouse power
(+5 V)
5
Keyboard/mouse clock
6
(Reserved)