StudioLive RM32Ai and RM16Ai Mixers & UC Surface with QMix Ai
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Turns out my 2019 MacBook Pro doesn't support AVB, as it only has USB C plugs. Pity.

Peter
Last edited by peterbaird on Tue Jan 19, 2021 12:03 am, edited 1 time in total.

MacBook Pro 15,1 2.3GHz
Catalina 10.15.7
Mac Pro 5,1 2 x 3.46GHz 64 GB
Mojave 10.14.5
Studio One 5.1.1
StudioLive 32R
Faderport 16
ATOM which I barely understand
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by SwitchBack on Tue Dec 08, 2020 12:21 pm
Can be fixed with an Apple thunderbolt(3) to Gigabit ethernet adapter, AFAIK :)
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by peterbaird on Tue Dec 08, 2020 12:38 pm
SwitchBack wroteCan be fixed with an Apple thunderbolt(3) to Gigabit ethernet adapter, AFAIK :)


Which is exactly what I thought I had. Apparently there are USB-C to ethernet adapters that never heard of Thunderbolt. Trip to Apple Store? Hmmm.

Peter

MacBook Pro 15,1 2.3GHz
Catalina 10.15.7
Mac Pro 5,1 2 x 3.46GHz 64 GB
Mojave 10.14.5
Studio One 5.1.1
StudioLive 32R
Faderport 16
ATOM which I barely understand
User avatar
by SwitchBack on Tue Dec 08, 2020 3:57 pm
PreSonus wrote a Knowledge Base article on this subject. The ‘gigabit’ distinction on the Apple adapter is critical too, as I remembered it. It may even require stacking two Apple adapters (TB3 to TB2 and TB2 to Gigabit Ethernet). The article will tell you what’s needed.
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by peterbaird on Fri Dec 11, 2020 3:29 pm

MacBook Pro 15,1 2.3GHz
Catalina 10.15.7
Mac Pro 5,1 2 x 3.46GHz 64 GB
Mojave 10.14.5
Studio One 5.1.1
StudioLive 32R
Faderport 16
ATOM which I barely understand
User avatar
by SwitchBack on Fri Dec 11, 2020 5:48 pm
Do make sure you can return it if it doesn’t work.

Apple makes their adapters identifiable by their computers, sometimes unlocking functionality third party adapters can’t. Don’t know if that’s the case with the gigabit ethernet adapter but it used to be with the firewire dongles. Something with tying it in with the core hardware...
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by peterbaird on Mon Jan 18, 2021 11:53 pm
I can now confirm that the Thunderbolt 3 10G Ethernet Adapter OWC sells opens the AVB pathway between a MacBook Pro 15,1 running Catalina and a Presonus 32R rack mixer, inputs and outputs.

HOWEVER:

The MacBook processor seems to be much more heavily stressed under AVB than under USB, which I find somewhat surprising. Also, the fan runs full out when the adapter is hooked up and AVB is enabled and Activity Monitor reports the coreaudiod process as "Not Responding" when AVB is running. Related, no doubt, to Apple's weird AVB implementation.

If any of you AVB/Mac geniuses can offer some wisdom on this I'm all ears.

Peter

Quick update: taking the 32R firmware from 3.2 to 3.4 fixed the "Not Responding" message, but the fan still runs full out. S1 reports 80% energy impact, nothing else really registers.

MacBook Pro 15,1 2.3GHz
Catalina 10.15.7
Mac Pro 5,1 2 x 3.46GHz 64 GB
Mojave 10.14.5
Studio One 5.1.1
StudioLive 32R
Faderport 16
ATOM which I barely understand
User avatar
by peterbaird on Tue Jan 19, 2021 12:57 pm
As a check on just what was making the processor work so hard, I removed the 32R and hooked up the adapter to my Spectrum router. The adapter pushes download speeds to around 215Mbps (Wifi tops out around 185Mbps) but the processor load doesn't seem to be affected at all, and the fan stays off.

I think it's a safe conclusion that using AVB really taxes the processor, at least in the way Apple has it implemented.

Peter

MacBook Pro 15,1 2.3GHz
Catalina 10.15.7
Mac Pro 5,1 2 x 3.46GHz 64 GB
Mojave 10.14.5
Studio One 5.1.1
StudioLive 32R
Faderport 16
ATOM which I barely understand

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