motherboard Pin | Pin Name |
Description |
1 | clock | mouse clock |
2 | Vss | ground |
3 | nc | no connection |
4 | data | mouse data |
5 | nc | no connection |
6 | nc | no connection |
7 | nc | no connection |
8 | Vcc | +5vdc |
according to the data obtained from major source motherboard blogs (http://www.motherboard.cz/) on the El Pina / M-Compa / M571 main board...this is the correct pinout for connecting a PS/2 mouse w/ an adaptor.