On Wed, Oct 17, 2018, 09:46 Fernando Lopez-Lezcano <nando@xxxxxxxxxxxxxxxxxx> 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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