[ref]KRAFT[/ref], tem de usar iMac18,1 pra evitar os glitches
pra ativar o vídeo use esse patch, deve funcionar
<key>PciRoot(0x0)/Pci(0x2,0x0)</key>
<dict>
<key>AAPL,GfxYTile</key>
<data>
AQAAAA==
</data>
<key>AAPL,ig-platform-id</key>
<data>
BwCbPg==
</data>
<key>device-id</key>
<data>
mz4AAA==
</data>
<key>enable-hdmi20</key>
<data>
AQAAAA==
</data>
<key>framebuffer-patch-enable</key>
<integer>1</integer>
</dict>