![]() ![]() Models: All models require when spoofing SMBIOS.Logic: Patches out smc-version in AppleSMC.kext, requires SMC-Spoof.kext for full functionality.Reason: Required to avoid SMC Firmware updates.Models: iMac12,x with upgraded Metal GPUs.Logic: Tricks macOS into thinking iGPU is a generic PCI device.Reason: Disables internal GPU to fix sleep issues on upgraded iMacs.Models: iMac11,x and iMac12,x with upgraded NVIDIA Metal GPUs.Reason: Required to ensure Brightness Control works on upgraded iMacs.Logic: Tricks boot.efi into thinking OpenCore is Apple's firmware.Reason: Required to ensure Hibernation support.Logic: Reroutes Board ID macOS checks to custom variable.Reason: Allows macOS installers to be used on unsupported models.Models: All models require when spoofing with Moderate or Advanced SMBIOS.Logic: Avoids USB maps of newer models attaching and breaking USB port functionality.Reason: Required for proper USB operation.Models: MacBookPro8,2 and MacBookPro8,3 with dead dGPUs. ![]() Logic: Sends power down request to dGPU via ACPI.Reason: Allows for software based deMUX disabling dGPUs in 2011 MacBook Pros.Models: All Sandy and Ivy Bridge Macs, excluding MacPro6,1.Logic: Removes PCI0's 32-bit Allocation Limitation.Reason: Patch Windows Audio support for Sandy and Ivy Bridge.Logic: Disable dummy CPBG device in ACPI.Reason: Resolves Kernel Panic on Arrandale Macs in early Big Sur builds.OpenCorePkg Online Docs (opens new window).Note that OpenCore's configuration is documented within OpenCorePkg (opens new window) as well as on an online version provided by us: Here, we're going to go over what patches are used and why we recommend or even require them.īelow is a rundown of the main logic that OpenCore Legacy Patcher uses to gain native support in macOS. In our patcher, there are numerous patches used to ensure a stable system. # Explaining the patches in OpenCore Legacy Patcher
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