ASRock z390 Phantom Gaming ITX/ac, finally booted & working 85%! but struggling with USB (opencore 0.5.8/mojave 10.14.6)

Hi everyone! After a couple of weeks of tweaking (in my spare time, not 24/7 :) ), I've finally got my hack up and running! It works well, except for:

• only 5 of the 8 usb ports are working
• the thunderbolt/usb3 isn't working
• still waiting for my replacement wifi/bt card, so no wifi/bt

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Is anyone willing to help me troubleshoot the USB/TB port issues?

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I've included the following a tonymac post I found:

• ACPI/SSDT-Z390-ASRock-ITX-AR-TB3-v8.aml
• Kexts/USBPorts-z390-ASRock-PhGmITX-iMac19,1-V8.kext

plus the Kexts/IOElectrify.kext from the repo. I'm reasonably sure I needed to do something extra when compiling the SSDT-AWAC and/or SSDT-EC-USBX, but I found nothing to guide me through those...

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Relevant specs:

• core i5-9600k
• no discrete gpu
• 16gb corsair vengeance @ 3000 gHz
• 1tb sabrent rocket q nvme ssd for mojave (plus 256gb crucial mx500 for windows)
• opencore 0.5.8, mojave 10.14.6 (because catalina breaks some of my critical apps)
• BIOS version 4.40 (latest i believe)

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thanks in advance for whatever help you can offer!