Hello, KGP! Need your help!..
I builded same hack, according to your guide, with small difference. 7940x, ddr4 crucial elite3000, GA1080ti,x299primeDeluxe,970evo/apfs. System test 10.13.6 and 10.13.6SU. bios same you guide
All work good. Premiere with 4k video and lots of effects, working...