On Monday, January 02, 2012 11:40:59 PM Jon Elson did opine:

> gene heskett wrote:
> > Is anyone running emc on this?  How is the latency?
> 
> I've tested the Intel D525MW motherboard, and put it in the database.
> The servo thread jitter was 15595, the base thread was 11921.

That's pretty good for onboard video.  The board I am currently running has 
onboard too, but its shared memory, with jitters in the 2 millisecond and 
up range.  Plumb fuggly so I never even tried to use it to move the 
machine.

> That is fine for any system with a hardware interface (servo or
> stepper) but may be a little marginal for software step generation.
> Since I'm a servo bigot, it was quite good for me.  The on-board
> parallel port passed all the tests with my EPP devices.  EMC 2.4.x
> with Ubuntu 10.04 loads and runs with no quirks at all.  I did the
> install on a 16 GB SSD "hard" drive.
> 
> Jon
 
Thanks Jon.

I may have found the paddles that will bring my present box back to life.  
One of the neighbors gave me most of an old compaq today, with a much 
better psu, a full .2 volts higher, which I think is the main problem with 
mine.

If I can shovel my way to the shop tomorrow (its coming down decent here, 
about 3" so far), that theory will be tested.  If that's not it, then I 
think I'll get 2 of those, one for the mill & one for the lathe.

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page: <http://coyoteden.dyndns-free.com:85/gene>
Earth -- mother of the most beautiful women in the universe.
                -- Apollo, "Who Mourns for Adonais?" stardate 3468.1

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