Sonnet Echo 3 Chasis not Recognized my Mac Studio/PT

[budster]

I am trying to run a Sonnet Echo 3 TB2 internal with TB 3 card (upgraded by Sonnet) on Mac Studio - Os Monterey 12.3 - PT HD/Flex 2022.4.

Initially, the Mac Studio recognized the Chassis and Card. The HD native engine never wold.

PT will not recognize the HD Native card in this Chassis. Also tried this with PT 2021.12 HD divers were installed.

Also tried native card in Echo 2 chassis with TB 3 card. No luck either.

Both Chassis with Native cards are read by Intel i7 Mac book Pro with PT 2021.10. This CPU upgraded the firmware on the Native card.

Mac Studio will no longer even see the thunderbolt device or PCI card.

Any thoughts?

Buster
Mac Studio
Monterey 12.3
Sonnet Echo 3 chassis
HD IO interface