Gotcha, I did try putting it in the efi folder and it's still not behaving (works, but at slower speeds and some midi stuff having issues). I reread the guide, and I realize I set this up almost 2 years ago and a lot has changed.
Seeing as how I have a running system (2 actually), do you think it's a reasonable plan to download KGP's newest EFI for 10.13 SU, replace my old one with that, and move through the guide from there?
One question on that, I have a Titan Ridge card on hand, as well as TBEX3, reading up it seems that hotplug can work for either, but KGP reports that the Titan Ridge gives a blank screen on sleep/wake...
Is there any combo of card or header unplugged that works with both hotplug and sleep wake? I don't need windows support at all. I use TB for focusrite Red 8Pre interfaces (and TB hubs with USB if I can get it working)
Thanks so much for your help.