Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

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07 Sep 2017 19:48 #98639 by robertspark
robertspark replied the topic: Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb
new to linux, awaiting mesa 7i76e.

Followed instructions for Mint 18.3 + RT Preempt, all seems to be working ok. Running a small N3150 fanless PC, 8gb ram. Linux installed on a 2nd HDD.
bureau.blogzaa.com/img/p/1/38149-large_default.jpg

Just wondering is there any benefit to latency on installing it on a Solid State Drive?

my 1mS latency is in the 40,000's

Didn't seem to make any difference when I physically removed my PCIe Wifi (which I'm not using anyway at present)

Didn't recompile kernel though, not sure if that would make a difference or be needed after removing the hardware (been a long time since I played with Linux last time and it was a PIA for adding and removing hardware)

Rob
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07 Sep 2017 21:47 #98646 by rodw
rodw replied the topic: Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

robertspark wrote: new to linux, awaiting mesa 7i76e.
my 1mS latency is in the 40,000's

Didn't seem to make any difference when I physically removed my PCIe Wifi (which I'm not using anyway at present)
Rob


Rob, your latency is way within what the 7i76e needs because the stepgens are offloaded to the hardware not in software as it is with a parallel port.I've seen PCW say even 120,000 worked for him.

You might be lucky with your wifi card. In any case if its not needed, you are probably going to be OK.While you are waiting for your Mesa hardware, It would be interesting to test what happens to latency if you do use your wifi to surf the net.
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