Good luck! Trouble! sent first one back due to x axis problem, now have second one installed and will be sending that one back shortly due to problems
You get to these tabs by going to Config -> Ports And Pins in Mach3
My intention was to use NEMA17 size motors, so this board matches that easily
(manual also mixes up the two
The 5 volt regulator by the way, is rated at 3 Amps
The biggest problem was that the manufacturers used a PC-style parallel port--in a non-standard way