On Wednesday 02 May 2018 11:16:29 jeremy youngs wrote:
Given my issues with this computer I have decided to stop beating a
dead horse. I'm going to rpi 3 this thing.
Yes, I agree with Gene, there are a number of decent X86
motherboards that are known to work well with LinuxCNC. I
use old Dell Optiplex boxes. Pentium 4 CPUs seem to work
great with the rt-preempt kernel.
I sell step generator and PWM boards, so these do not
require the best latency. With RTAI, you can get the jitter
down to about 10 us, with rt-preempt it is more like 20 us.
That is still FINE for systems with hardware motion
controllers. I just install from the live DVD and it all
works. (There is one gotcha, the Intel i810 on-board
graphics is flaky with certain Linux drivers, so I had to
put in an nvidia graphics board.
So, make sure you have a PCI slot for that.)
Jon
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