StarTech.com ESY1525L - Manual (Page 26)

J16: PS/2 Keyboard Connector
Pin Signal Name
1 Keyboard data
2 N.C.
3 GND
4 5V
5 Keyboard
clock
3
1
5
4
2
6
6 N.C.
J17: PS/2 Mouse Connector
Pin Signal Name
1 Mouse data
2 N.C.
3 GND
4 5V
5 Mouse
clock
3
1
5
4
2
6
6 N.C.
4-21