OS X 10.6 and older require RebuildAppleMemoryMap enabled.We recommend running FakeSMC for older versions of OS X.Lilu and plugins require 10.8 or newer to operate.cpus= boot argument can be used as a workaround, or disabling hyperthreading.OS X 10.11 and newer have a 64 thread limit.OS X 10.10 and below may not boot with more than 24 threads (evident by a mp_cpus_call_wait() timeout panic).Run lipo -archs to know what architectures your kext supports (remember to run this on the binary itself and not the.OS X 10.8 and newer require 64-bit kexts due to only supporting 64-bit kernelspace.OS X 10.6 and 10.7 support both 32 and 64-bit kernelspace.OS X 10.4 and 10.5 require 32-bit kexts due to only supporting 32-bit kernelspace.OS X 10.7 through 10.9 require OpenPartitionDxe.efi to boot the Recovery partition.

OS X 10.8 and newer require EFI64 (i.e.OS X 10.4.8 through 10.7.5 support both EFI32 and EFI64.To resolve this, see here: MouSSE: SSE4.2 emulation (opens new window) Newer AMD drivers also require SSE4.2 for Metal support.SSE4.1 CPUs are supported with telemetrap.kext (opens new window).SSE4.2 is required for macOS 10.14 and newer.SSE4 is required for macOS 10.12 and newer.

certain 64-bit Pentiums), we recommend running 32-bit userspace ( i386-user32)

SSSE3 is required for all 64-bit versions of OS X/macOS.

SSE3 is required for all Intel versions of OS X/macOS.

64-bit CPUs are supported from 10.4.1 to current.

Note that 10.7.x requires 64-bit userspace, limiting 32-bit CPUs to 10.6.

Note not all features of macOS are supported with AMD, see belowįor more in-depth information, see here: Anti-Hardware Buyers Guide (opens new window) CPU Requirements.

AMD's Desktop Bulldozer (15h), Jaguar (16h) and Ryzen (17h) CPUs.

Note that Mobile Atoms, Celeron and Pentium CPUs are not supported.

Arrandale through Ice Lake are supported by this guide.

Intel's Core 'i' and Xeon series laptop CPUs.

Nehalem through Cascade Lake X are supported by this guide.

Intel's High-End Desktops and Server CPUs.

Yonah through Comet Lake are supported by this guide.

This however requires the OS to support your architecture, see CPU Requirements section below.

Overall guide on what to avoid and what pitfalls your hardware may hit.įor CPU support, we have the following breakdown:.

Anti-Hardware Buyers Guide (opens new window).

Wireless Buyers Guide (opens new window).

Check if your GPU is supported and which macOS version you can run.

Getting started with ACPI (opens new window)Īnd for more detailed guides on the subject, see here:.

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