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Currently running Ubuntu 10.04 and Axis 2.5.4 with the RTAI kernel on a P4 3GHz with 2 G RAM going out to a G540 controller with close to 1000 programs ran.
Latency: Servo 7k (ns) Base 22k (ns) running glxears and accessing directories, etc.
Tried the latest ISO for 2.9.3 RT-Preempt kernel live from an almost-full flash drive
Latency: Servo 77k to 90k(ns) Base 72k (ns) running glxears and accessing directories, etc

Computer is currently standalone, no web surfing or networking. Currently it is partitioned for Ubuntu and an old Windows install.

Wondering if there is hope with this PC or if I am better off getting something else. And if get something else, what? I am not so PC and Linux savvy.

Refurbished i5 desktops start around 130$ in my market Dec 2024  but would need a card for the parallel port.

I saw on another thread where a solution was to load a Wheezy ISO which gets one up to 2.7.X LinuxCNC IIRC (yes?)

Thanks, I appreciated the input.





 

Hello, thank you very much and a very Merry Christmas!...
Since I would like to see your project, maybe share it on your YouTube channel, I want to learn and I was really happy with the news that I could use Ubuntu to work seriously.
Thanks a lot!...

Hello, thank you very much and a very Merry Christmas!...
It doesn't have that port, what board do you recommend for this little one?
Thanks a lot!...