hi john ,

yes they are running Geokodrive G201 stepper drivers .

yes running mach 3 . sorry to come across so stupid !! but your saying within the software there is the assignment of pins ? these are then wired into the corresponding number on a connector ?

i will source a breakout board and supply then as if it avoids me having to learn soldering then it can only be a better outcome!!

The spindle speed is controlled at the head as its is only using a Kress 1050w milling motor.

Really appreciate all your help john thank you .