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opencorelegacypatcher

  1. 0xCUBE

    macOS 13 Ventura on Unsupported Macs Thread

    This thread will be dedicated to the discussion of running macOS 13.0 on Unsupported Macs Welcome to the new macOS Ventura on Unsupported Macs thread! We're eagerly awaiting for all our community developers and enthusiasts to test out the new version of macOS. Please play it by ear and only...
  2. F

    Help flashing EFI bios chip with CH341A

    I need some help using a CH341A programmer and SOP8 clip on my late 2013 15" MBP. End goal is to read and save the ROM, and modify the Big Sur firmware so that I can undervolt again (get rid of "OC_Locked" in VoltageShift). Someone has detailed this at the GitHub page here. I installed Xcode...
  3. Macschrauber

    High Sierra booting possibly corrupts newer Systems. Fix, description and a boot picker renamer

    Summary: We discovered a serious bug: booting High Sierra without System Integrity Protection (csrutil disable) possibly corrupts another mounted (unsupported) APFS2* OS Preboot volume, even when on another drive. Consequently, the corrupted OS may appear as High Sierra and check for...