Roland Jollivet wrote: > > I'm sure it's possible, but I was hoping that EMC would take the route > of separating the machine control from that cad side. This way you can > have a controller inside the machine, on a PC104 type card, and dribble > it G-code. I still an aversion to requiring a 2GHz machine to drive > steppers. > I'll probably be told that HAL can do do all that, but it's still not an > 'install and run', as cncpro is, for example. (on a 400MHz machine) If you don't mind adding some hardware, then you can run steppers at very high rates with a low-performance CPU. I originally ran my stepper controller with a 100 MHz Pentium classic. I've had to move up merely to support the software bloat of the new window managers and non-essential Linux "features" that always come enabled. If you eliminate the bloated window environment, you could probably still run it fine on a 100 MHz CPU, if you could find one. I run all my servo systems on ~600 MHz Pentium II systems, even with the full-blown KDE or Ubuntu environemnt.
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