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  1. Thunderbolt Chip and Family
    • DSL6540 | Alpine Ridge
  2. Thunderbolt Vendor/Manufacturer
    • Gigabyte GC-Alpine Ridge
  3. Thunderbolt Type (Onboard or AIC)
    • AIC
  4. Thunderbolt AIC PCI Slot Location
    • PCI Slot 4
  5. THB_C header Availability
    • THB_C header available on motherboard (THB_C HEADER cable NOT connected)
  6. TB BIOS Settings Availability
    • See Attachments
  7. Motherboard Model
    • MSI Z370 PC PRO
  8. CPU Model
    • I7-8700K
  9. macOS version
    • Mojave | Monterey
  10. Copy of IOReg
    • See Attachments
  11. Kextcache output
    • kextcache -i/
      Executing: /usr/bin/kmutil install --volume-root / --check-rebuild
      rebuilding local auxiliary collection
      kmutil done

Generally, I have Thunderbolt working with UAD Apollo Twin, however, after  following the guide to the best of my ability, I am unable to get hotplugging working.


What am I missing / overlooking ? Any help/advice would be much appreciated.