Stuck on "IOConsoleUsers" with ASRock W480, 10850K, iGPU

In hacking the new ASRock W480 Creator, I seem to have encountered a problem installing macOS, where I get stuck near "IOConsoleUsers". Per the Dortania suggestions, I have:

• Disabled CSM in the BIOS
• Set ig-platform-id ("PciRoot(0x0)/Pci(0x2,0x0)" "00009B3E") and device-id ("PciRoot(0x0)/Pci(0xIC,0x4)" "F2150000")...

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