Yes, I'm using SMBIOS 19,2 and OC 0.6.3. Here are the slimmed down settings to get AppleTV working:
iGPU PciRoot(0x0)/Pci(0x2,0x0) AAPL,ig-platform-id 03001259
dGPU PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x0) AAPL,slot-name
[email protected],1,0/0,0
BIOS iGPU memory assigned 256mb, but iGPU multi monitor...