Mesa card which one should I use?

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03 Aug 2012 19:52 #22733 by garymcrobertpdx
The time has come to upgrade from the basic parport configuration
to a higher performance system. Which Mesa card is the one for me
,how do I decide, which one is the most popular?

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03 Aug 2012 20:19 #22737 by andypugh
garymcrobertpdx wrote:

The time has come to upgrade from the basic parport configuration
to a higher performance system. Which Mesa card is the one for me
,how do I decide, which one is the most popular?


5i25 is likely to be a direct pin-for-pin replacement. But then a pin-for-pin replacement doesn't buy you much advantage unless you are hitting a step-rate barrier.

So, the question back to you is what you want to get from the upgrade?

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03 Aug 2012 21:50 #22743 by garymcrobertpdx
At the moment I am using three parports which provides enough IO pins
Speed is a problem I am limited to about a 20Khz step rate cant move my
axis fast.

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03 Aug 2012 22:55 #22747 by andypugh
garymcrobertpdx wrote:

At the moment I am using three parports which provides enough IO pins .


Sounds like a 5i25/7i76 combination might suit you then.

Though the 7i43 hooked on to one of your existing parports probably shouldn't be overlooked.

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04 Aug 2012 19:07 #22792 by garymcrobertpdx
Where can I find information on how to install and use the Mesa boards?

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04 Aug 2012 19:15 #22794 by andypugh
garymcrobertpdx wrote:

Where can I find information on how to install and use the Mesa boards?


Have you seen: www.linuxcnc.org/docs/html/drivers/hostmot2.html

Also: www.linuxcnc.org/docs/html/man/man9/hostmot2.9.html

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04 Aug 2012 19:57 #22801 by garymcrobertpdx
Thanks that's the stuff I need

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04 Aug 2012 19:58 #22802 by BigJohnT
garymcrobertpdx wrote:

Where can I find information on how to install and use the Mesa boards?


I have some info here .

John

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