Rotate the cable until the connector keys match up. To plug in a keyboard or mouse cable, first match the cable notches to the connector. The purple connector is for the keyboard while the green one is for the mouse. Earlier computers came with two PS/2 ports.
It is used to connect a computer mouse or keyboard. A PS/2 port, sometimes called a mouse port, was developed by IBM for their model PS/2 computers. This is a 6 pin DIN type of port that is an IEEE 1284-compliant Centronics port. The 6-pin Mini-DIN was first used on laptops A Five-pin male DIN connector PS/2 Port It was subsequently replaced with the smaller 6-pin Mini-DIN connector on the IBM PS/2 in 1987. Also referred to as the Model F keyboard, the AT keyboard is a US standard keyboard introduced in 1986 by IBM. It is for connecting older AT keyboard types.
This is a full DIN or 5 pin DIN keyboard connector. AT Keyboard Port – Among the Types of Computer Ports that Have Been Phased Out It is always important to know what kind of technology was there before the current one. It is well understood that technology keeps changing now and then. Note that some of the types of computer ports you are going to encounter here are obsolete. Many computer connectors are polarized to ensure they are plugged in the right way. This allows instructions and data to flow between the computer and the attached device. Computer PortsĪ port is a connection point or an interface where you plug in an external device such as a printer, scanner, keyboard, and mouse, among others. This article describes the types of computer ports found at the back or front of the computer. Different types of computer ports and their functions are explained here in detail.