Gigabyte z170mx-gaming 5 Alpine Ridge issue

Hey all!

I've had a z170mx-gaming 5 (i7-6770k) machine for 5 years, currently running the latest Catalina with latest Opencore. I run an LG Ultrafine using an Alpine Ridge v2 card, but am needing to utilize the second thunderbolt 2 port on the AIC. BOTH ports work, but it seems, only one works at one time, swapping ports just moves one to the other.

I've combed through dozens of threads and haven't had any luck yet... all I'm trying to do is KEEP my LG ultra fine and add a BM Ultrastudio...

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Author: SmackAttack