Don't mix this with HfsPlus.efi, choose one or the other depending on your hardware.This is generally seen on Sandy Bridge and older(as well as low end Ivy Bridge(i3 and Celerons)) Legacy variant of HfsPlus, used for systems that lack RDRAND instruction support.Used for OpenCore picker on legacy systems running DuetPkg, not recommended and even harmful on UEFI(Ivy Bridge and newer) (opens new window).Pay close attention to each entry as you may not need all 4: In addition to the above, if your hardware doesn't support UEFI(2011 and older era) then you'll need the following. Reminder this was bundled in OpenCorePkg we downloaded earlier.Replacement for AptioMemoryFix.efi (opens new window), used as an extension for OpenCore to help with patching boot.efi for NVRAM fixes and better memory management.OpenRuntime.efi (opens new window)( Required).For Sandy Bridge and older(as well as low end Ivy Bridge(i3 and Celerons), see the legacy section below.macOS Installers and Recovery partitions/images). HfsPlus.efi (opens new window)( Required).Getting started with ACPI (opens new window)įor the majority of systems, you'll only need 2.