NTPad XP interface

Controller Parallel Port
Pad 1 Pad 2 Pad 3 Pad 4 Pad 5
1 (Dat) 10
2 (Cmd) 2
3 (+7v) +7.6v
4 (Gnd) 18
5 (+3v) +3.5v
6 (Sel) 3
7 (Clk) 4 5 6 7 8
8 -
9 (Ack) 12

Notes

Credits

The original diagram and information for this interface can be found at http://www.ntpad.com.ar/.