I really want to do this. I would assume that I use pin 13, as that is set for "tool Probe" in Mach. This is new to me. I have looked at the breakout board and cannot figure out a trace to a pad or hookup for pin 13. There is a rather nice empty 5 lead connector that when the parallel port is engaged the far pin has continuity to ground for pins 14-21. My plan is a simple wire from pin to a isolated ground plate.  Any information is appreciated.

Hi Fleck,

I don't have a K2 but if it's any help this is the system I use http://www.cooperman.talktalk.net/files/17.htm

Tweakie.

Thanks very much. I was looking at that page yesterday. After further reading, I believe it is pins 18-25 that run to ground and not 14-21. I must have counting the p.port backwards. Great page by the way. I have been using feeler stock and pressing cycle start for about 3 years now. Time to evolve.