Changing Parallel Port Pins

[Rick Mann <rmann-at-latencyzero.com>]

I've just installed EMC BDI 2.16. Looking through the docs, it seems that,
to change the pin usage on the parallel port, that I need to modify the
source.

Can someone point me to the correct source file to change? I need to assert
three pins to enable the three axes on my mill.

If it's possible to do this vi a .ini file, I'd love to know how. I didn't
notice any parameters that might change the pins in the docs.

Thanks!

-- 
Rick