bridgeport series 1 cnc linuxcnc help

steevgg wrote:

would those boards workout if i have to replace the drives and or servos to newer ones ?

Yes. (Well, the 7i77 might need to  become a 7i76 if you switched to step-dir, or a 7i44 if you switched to a set of STMBL drives or whatever) 
But, in general, yes. 

And, by that point, the interface cards will be looking like a minor expense anyway