![]() Due to Apple dropping the AppleIntelPchSeriesAHCI class in AppleAHCIPort.kext.More information from the repo (opens new window) Setting MaxKernel to 19.9.9 for AirPortBrcm4360_Injector.kext may help.BCM94352Z users for example may need brcmfx-driver=2 in boot-args to resolve this, other chipsets will need other variables.Forcing a specific driver to load with brcmfx-driver= may help.Mainly user-space patching has severely broke, meaning certain functionality may have broken.Getting started with ACPI: Prebuilt SSDTs (opens new window).Big Sur has added new requirements for ACPI, so you'll need to grab some new SSDTs:įor those who'd like precompiled files, see here: Reminder for AMD Users: Don't forget to update your kernel patches with those provided by AMD OS X, otherwise you'll be unable to boot Big Sur:įor X79, X99 and X299 users, pay close attention to the below. Note: The about command will require you to include bit 0x2 in Misc -> Security -> ExposeSensitiveData, recommended values for ExposeSensitiveData is 0圆 which includes bits 0x2 and 0x4.If you're unsure what version of OpenCore you're using, you can run the following in terminal: Updating OpenCore and macOS (opens new window).You can simply download and update OpenCore and kexts as mentioned here: ![]() # Up-to-date kexts, bootloader and istĮnsure that you have the latest version of OpenCore, kexts and ist so it won't have any odd compatibility issues.
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