Piedinature - Pinouts
6 Pin PC Keyboard

Reference and Sources:

(At the computer)

6 PIN MINI-DIN FEMALE (PS/2 STYLE) at the computer.

Pin	Name	Dir	Description
1	DATA	IN/OUT	Key Data
2	n/c	-	Not connected
3	GND	------	Gnd
4	VCC	OUT	Power , +5 VDC
5	CLK	OUT	Clock
6	n/c	-	Not connected

Note: Direction is Computer relative Keyboard.

This signal is sent from the keyboard to synchronise the data signal.

Keyboard scan codes are sent from the keyboard to the computer on this single wire serially.

This is a simple 5 volts signal for giving power to the keyboard.

This is a common ground signal used as a return path for data and is a reference to logical 0.

Piedinature - Pinouts6 Pin PC Keyboard