Sven;

My D525MW boards are not beside me ATM, but your correction seems to be about 
right, IIRC.

Certainly not blindingly fast, but not too bad either, and little noise/heat.  
I hope that their lifetime is long in my applications. 

My numbers, like yours, were higher than seen on the "latency numbers" on the 
LinuxCNC web site; I wonder if, as you have done, running headless is really 
the way to go for best latency.

I'm thinking seriously about the Mesa 5i25; I'll need one for the spindle 
encoder for my CNC lathe project.

BTW - I'd not bet on Windows to be a secure bet for long term CNC either; don't 
really know what either LinuxCNC or the Mach camp are going to do a few years 
down the road.

JohnS.

On 2012-11-04, at 10:00 AM, Sven Wesley wrote:

>> 
>> I installed LinuxCNC on my board and ran latency tests and it was quite
>> easy to ramp it up to 14 250 ns. That's worse than my existing
>> configuration at the reconfigured PC that's in use now that this thread
>> from the beginning was about. I also made the remote X tests as discussed
>> earlier in this thread and then the PC maxed out at 9 920 ns.
>> 
>> 
> Correction: 18 250 ns.
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