PS/2 Keyboard (Gateway) Y adapter

pinout

This adapter will enable you to use a keyboard and mouse at the same time. For Gateway computer, may work with other computers

6 pin MINI-DIN male (PS/2 STYLE) connector  to the Computer

Computer Keyboard Mouse 1 2 - 2 - 2 3 3 3 4 4 4 5 6 - 6 - 6

6 pin MINI-DIN female (PS/2 STYLE) connector  to the Keyboard & Mouse

Source:www.pinouts.ru