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ecarbone51 wrote: ↑Fri Nov 24, 2023 10:04 am 16A does not work with ANY Thunderbolt (2,3,4) on PC. I have tried both the Apple and the Star*** something adapters and nothing works.

CharlzS wrote: ↑Fri Nov 24, 2023 11:39 am

ecarbone51 wrote: ↑Fri Nov 24, 2023 10:04 am 16A does not work with ANY Thunderbolt (2,3,4) on PC. I have tried both the Apple and the Star*** something adapters and nothing works.

MOTU AVB interfaces do work with the Apple TB2 to TB3 on Windows TB3 PCs. Unfortunately, with the latest releases of TB4 on PCs (and I believe Macs also) everyone's SOL. Due to some obscure security issue Intel changed the firmware to NOT recognize TB1 and TB2 devices no matter how they're connected. Here's the best discussion of the issue that I've found: https://www.reddit.com/r/Thunderbolt/co ... ility_why/

Don't be too quick to blame MOTU on this one. There may be nothing they can do other than a new rev of the AVB devices with TB3/4 chip sets. I would speculate that this also has something to do with the lack of availability of AVB interfaces.

CharlzS wrote: ↑Fri Nov 24, 2023 11:39 am …
Due to some obscure security issue Intel changed the firmware to NOT recognize TB1 and TB2 devices no matter how they're connected. Here's the best discussion of the issue that I've found: https://www.reddit.com/r/Thunderbolt/co ... ility_why/

At the risk of disagreeing with anyone on Reddit, I'm pretty certain that's a crock. MacOS Ventura 13.6.1 included the latest firmware update for my Intel iMac Pro and that TB2 dock connected just fine as did my 828mkII through the Apple FW–TB1 adapter.

Per Intel's latest revision to their published Thunderbolt 4 brochure:
https://www.intel.com/content/www/us/en ... olt-4.html

…
Versatile connectivity. Thunderbolt 4 ports are compatible with many connection standards, including previous versions of Thunderbolt™, USB, DisplayPort, and PCle. The ports fit standard USB-C type connectors.
What can you connect with Thunderbolt 4?

Thunderbolt™ devices. Connect devices bearing the Thunderbolt™ logo, including docks, displays, storage, and video capture devices. Thunderbolt™ 3 devices and cables are compatible with Thunderbolt 4 ports. Older Thunderbolt devices will work too, but require an adapter

and so on…

I know this is a recent revision because, when I looked at this last month, it stated that TB4 allowed four TB3 devices to connect to a TB4 port. Now it agrees with Apple that you can connect five.

That Microsoft might be the culprit is something I'll believe in a second. A friend of mine was hired by MS to bring their various codes including TCP/IP to standards (I'll spare everyone why I know about this) but retired fifteen years later without having accomplished that goal. Mind you, this guy wrote LanMan (which became Win NT) in college and later AltaVista, the first search engine for DEC because he wanted to know how big the internet was.

Don't be too quick to blame MOTU on this one. There may be nothing they can do other than a new rev of the AVB devices with TB3/4 chip sets. I would speculate that this also has something to do with the lack of availability of AVB interfaces.

Quite possible.

mikehalloran wrote: ↑Fri Nov 24, 2023 11:39 am Hi,

This board is not affiliated with MOTU and none of us who regularly post here work for them. That said, I think we all can empathise with your pain. Who wants a system that doesn't just work?

Unfortunately, the fact is that few PC makers implemented the full TB Spec until those that recently released TB4 PCs (supposedly — see the next post).

It's possible that someone may be able to help but we need a lot more information beginning with your hardware and OS. Also, exactly what TB cable(s) are you using? A link to where you purchased the cable will help.

ecarbone51 wrote: ↑Sat Nov 25, 2023 7:24 am

mikehalloran wrote: ↑Fri Nov 24, 2023 11:39 am Hi,

This board is not affiliated with MOTU and none of us who regularly post here work for them. That said, I think we all can empathise with your pain. Who wants a system that doesn't just work?

Unfortunately, the fact is that few PC makers implemented the full TB Spec until those that recently released TB4 PCs (supposedly — see the next post).

It's possible that someone may be able to help but we need a lot more information beginning with your hardware and OS. Also, exactly what TB cable(s) are you using? A link to where you purchased the cable will help.

I had a custom built laptop (Clevo, 13Gen I9 64ram) put together with the builder stating that it had the latest TB4 spec that was backward compatible. Again, Motu has known about this and DONE NOTHING to warn purchasers. If they are not affiliated with this forum they should be. If they are not reading it, even more of a reason to stay away from their products.

ecarbone51 wrote: ↑Sat Nov 25, 2023 7:24 amI had a custom built laptop (Clevo, 13Gen I9 64ram) put together with the builder stating that it had the latest TB4 spec that was backward compatible. Again, Motu has known about this and DONE NOTHING to warn purchasers. If they are not affiliated with this forum they should be. If they are not reading it, even more of a reason to stay away from their products.

I'm "not interested" in an argument. My purpose of the past post(s) is to warn people not to spend their money on a Motu/PC/TB device because in all likelihood its not going to work.