Cable used to allow usage of a PS/2 mouse.
On the special 6 pin connector on main board.
Also use on 5 Pin connector on main board.
(Let remaining connector hang off)
This connector is single row with 6 pins.
Commonly used on :
Shuttle Mother Boards.
PIN SIGNAL COLOR
Pin 1 Mouse Data Brown
Pin 2 Reserved Open
Pin 3 Ground Red
Pin 4 +5V Yellow
Pin 5 Mouse Clock Green
Pin 6 Reserved Open