16/04/2014· Old Dynapath System 10 upgrading to Galil CS 18420 ICM 2900 No idea on wiring??? ... ie I have a 3 axis card running x,y z would I have to have a 4 axis card to control 010v output for the spindle? The spindle motor will not have an encoder. Logged smurph. 1,237 "That there... that's an RV." Re: Old Dynapath System 10 upgrading to Galil CS 18420 ICM 2900 No .