[LAU] MOTU Ultralite AVB - possible to configure two connected devices without 430 EUR switch?

[Moshe Werner]

On Wed, Oct 17, 2018, 09:46 Fernando Lopez-Lezcano <nando at ccrma.stanford.edu>
wrote:

> On 10/15/2018 04:58 PM, Hanns Holger Rutz wrote:
> >
>


> WARNING: Another "feature" lost on an upgrade to the latest is the
> ability (on some cards, 16A, 24ai, 24ao) to have three usb modes, one of
> them enabling you to use up to 64 channels on usb2 if the sample rate is
> restricted to 44.1 and 48KHz. I have had to downgrade cards to be able
> to keep using that. Luckily all the firmware versions are available
> online and so far the downgrade has always worked (fingers crossed...).
> A pain.
>
> -- Fernando
>

I can confirm that! I had to downgrade my 1248 too, the newest version was
giving only 24 channels via class compliant driver, on top of that I was
getting a lot of xruns. I mean thousands.
Downgraded the firmware and for now it's working.

>
>
> PS: I created and maintain a 56.8 3D diffusion system (in our small
> concert hall, the Stage) that has now 8 (yes, eight) Motu cards
> connected together through AVB. You can imagine it is not necessarily
> fun to deal with firmware stuff like this.
>
> I hate products that you can buy and never know if they will keep
> working as initially advertised when you "upgrade", sigh
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