This connector ist similar to the common PS/2 connectors but uses the two pins unconnected in PS/2 to control the keyboard's speaker. The protocol used is the same as PS/2.
Pin Number |
Function | Dir | Description |
1 | DATA |
![]() |
Key Data |
2 | Speaker |
![]() |
Keyboard Speaker |
3 | GND |
![]() |
Gnd |
4 | VCC |
![]() |
Power , +5 VDC |
5 | CLK |
![]() |
Clock |
6 | Speaker Gnd |
![]() |
Keyboard Speaker |
Note: Direction is Computer relative Keyboard.