what is ps2 ?

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what is ps2 ?

Post by ashu4261 on Wed Jan 15, 2014 5:40 pm


Pictures of computer green and purple PS/2 ports.1. Often referred to as the mouse port or keyboard port, the PS/2 port was developed by IBM and is used to connect a computer mouse or keyboard to an IBM compatible computer. The PS/2 port is a mini DIN plug that contains six pins and is still found on all IBM compatible computers today, however, is starting to be replaced by USB.
In the picture to the right, are two pictures of what the PS/2 ports look like on the back of your computer. As can be seen by both of these pictures many computers have adopted the color codes purple and teal as identifications for each of the port. The mouse is teal and the keyboard is purple.
Below, the left picture is an example of the PS/2 plug and the right illustration is of the actual PS/2 connection with its pin layouts.
PS2 computer mouse cable
6 pin PS/2 specifications

Pin Voltage Assignment
1 +2.0 to +5.5v Keyboard Data
2 +4.8 to +5.5v Reserved
3 Ground Ground
4 +2.0 to +5.5v +5.0V DC
5 +2.0 to +5.5v Keyboard Clock
6 +2.0 to +5.5v Reserved
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