Preview

Note : This is not a tutorial. For detailed procedures, please visit Vanilla Guide instead.

Specs

CPU : i7 9700K

Motheroard : Gigabyte Aorus Elite Z390

VGA : Gigabyte RX5700 XT GAMING OC

RAM : 8Gx2 KLEVV CRAS X RGB 3200MHz

Power : Corsair RM850x

Wifi & BT Module : BCM943602CS

Cooler : Corsair H115i pro

Hard drive : Micron MX500 500GB (For MacOS) & ADAT Sx8200pro 512GB (For Windows bootcamp)

Chassis : BeQuiet! Pure Base 600

What is Working

External graphics card (with headless iGPU enabled)

Audio (with soundcard device-id 0700000)

Wifi、Bluetooth : normal, Handoff、Sidecar、Airdrop、Find function flawlessly

NVRAM : normal, available to select boot hard drive via system preference -> startup disk

Power : Native Power management enabled

Issues

Sleep & wake : unable to change internal bluetooth header directly under the main XHCI controller, need to add SSDT-GRPW.aml to make USB turned off in order to enable sleep (which means you gotta press the power button everytime to wake it)

Things to beware

MemoryAllocation.efi is mandatory for all z390 boards. Without this, iGPU cannot be enabled properly.
CFG must be unlocked in advance. Since this board doesn't have any BIOS options related to it, I turned to this approach instead.
For every Opencore updates, be sure to use the comparer to check if your config.plist meets the correct format.
DevirtualiseMmio should be set to False, since the KASLR injection method can easily lead to booting failures. In fact, paired with MemoryAllocation.efi, I am able to boot perfectly by adding slide=1 to boot-args.

References

Best guide ever!

xjn's blog

opencore officials