> http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-June/070353.html
>
> So not mixing USB1 and USB2 devices but mixing a device performing
> Full-Speed isochronous-out transactions with a device performing
> asynchronous transactions. I've tested my Edirol UA-25 with this chipset
> too and no matter what I tried, full duplex wouldn't work. Does your
> machine have a Rate Matching Hub? If so could this be the device that
> does asynchronous transactions maybe? Just guessing here. Or is USB2
> isochronous and USB1 asynchronous?
I read this bug description by Intel, and the sentence that decided me
to buy a USB2 soundcard is this:
"High-Speed and Low-Speed USB devices are not impacted by this issue."
I actually have an Edirol UA-25Ex that plainly doeson't work on these
USB ports, so I went for the M-Audio USB2 High-Speed hoping that would
solve the problem!
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Received on Wed May 25 16:15:01 2011
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