How to use FakeCPUID with OpenCore on Hackintosh

[MaLd0n]

Sequence of EAX, EBX, ECX, EDX values to replace CPUID call in XNU kernel.

 

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1- Open your config.plist and add properties bellow in Kernel / Add / Cpuid1Data / Cpuid1Mask if you need

 

Haswell-E (0x0306F2) to Haswell (0x0306C3):

Cpuid1Data: C3 06 03 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

Broadwell-E (0x0406F1) to Broadwell (0x0306D4):

Cpuid1Data: D4 06 03 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

Comet Lake U62 (0x0A0660) to Comet Lake U42 (0x0806EC):

Cpuid1Data: EC 06 08 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

Rocket Lake (0x0A0670) to Comet Lake (0x0A0655):

Cpuid1Data: 55 06 0A 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

Alder Lake and Raptor Lake (0x090672) to Comet Lake (0x0A0655):

Cpuid1Data: 55 06 0A 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

New Processors to SkyLake (allow installing older systems with newer processors):

Cpuid1Data: E3 06 05 00 00 00 00 00 00 00 00 00 00 00 00 00

Cpuid1Mask: FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00

 

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