PS/2 Keyboard Connector
Pin Signal Description
1 KBDAT_A Keyboard Data
2 -- Not Connected
3 DGND System Ground
4 KBD_PWR Keyboard Power, 5V
5 KBCLK_A Keyboard Clock
6 -- Not Connected
Shell CGND Chassis Ground
PS/2 Mouse Connector
Pin Signal Description
1 MSDAT_A Mouse Data
2 -- Not Connected
3 DGND System Ground
4 KBD_PWR Keyboard Power, 5V
5 MSCLK_A Mouse Clock
6 -- Not Connected
Shell CGND Chassis Ground
2-20