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

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Sun Nov 11 07:37:58 CET 2018

On 10/24/2018 02:30 AM, Hanns Holger Rutz wrote:
> Hi Fernando,
> so would that imply that if you buy a new box (latest hardware), you
> cannot install the old firmware that allows usage of all I/O in CC mode?

Sorry for the delay. I don't know what "CC mode" is...
-- Fernando

> On 24/10/18 02:09, Fernando Lopez-Lezcano wrote:
>> On 10/17/2018 10:44 AM, Fernando Lopez-Lezcano wrote:
>>> On 10/17/2018 07:31 AM, Paul Davis wrote:
>> ...
>>>> I don't know how "latest" you mean. I bought mine well over a year ago,
>>>> and it has had this behaviour since I bought it. I was not convinced
>>>> that it was the MOTU's fault, or rather that it just need some USB audio
>>>> quirk added to stop it from happening.
>>> Well, "latest" actually is old old. For the 24ao/24ai/16A cards 1.2.8+
>>> supported 64 channels over USB with the class compliant driver and
>>> worked fairly well, 1.2.9+ killed that feature (which was _added_ to the
>>> originally released firmware - that feature enabled me to use the card
>>> for my purposes, killing the feature made the card useless for me unless
>>> I downgraded). You might want to try 1.2.x in your card.
>> Correction (just now testing again):
>> For the UltraLite AVB, at least for my very recent hardware version,
>> firmware 1.2.8 and 1.2.9 do not install (the Motu claims it is too old
>> for the card, try with a newer one).
>> Firmware 1.3.2+520 does install, and it looks like it does not have the
>> "input channels hop over groups of 8 every once in a while" feature. I
>> presume 1.3.4+ breaks usb input.

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