\./  
  6   5  
 4     3 
  2   1  
       
Pin In/Out Signal Name
                          
1   I/O   +Keyboard Data
2   na    (reserved)
3  power    Ground
4  power  +5 Volts
5   I/O   +Keyboard Clock
6   na    (reserved)

- -

Keyboard Connector - PS/2