Hackintosh for DELL OptiPlex 9020

Todo

• Fix hibernation issues
• Smooth upgrade for macOS 10.15

Usage

Copy files in EFI directory to your EFI partition.

NOTE THAT you should re-generate smbios information.

Fix BIOS issues

General method (Windows recommanded)

• Download BIOS Tools.
• Fetch the address of block location.
  1. Use BIOS_Backup_TooKit.exe to fetch BIOS rom.
  2. Use UEFITool to open BIOS rom.
  3. Search keywords (cfg lock, DVMT), then Extract body.

  

  

  4. The output file is like Section_PE32_image_Setup_Setup_body.efi, use IFR-Extractor and command ./ifrextract Section_PE32_image_Setup_Setup_body.efi Section_PE32_image_Setup_Setup_body.txt to convert it into text file.
  5. Open Section_PE32_image_Setup_Setup_body.txt and search keywords (cfg lock, DVMT) to find the closest addres behind it.

  

  6. Enter GRUB Shell (use bootx64.efi in bios_tools.zip to boot)
  7. Check address value by typing setup_var [ADDR]
  8. Typing setup_var [cfg lock address here] 0x00 to disable cfg lock.
  9. Typing setup_var [DVMT address here] 0x03 to increase DVMT to 96M.

Easy for DELL OptiPlex 9020

Since I’ve already finished these steps above, just type the following command.

• Disable MSR 0xE2 (i.e. cfg lock) setup_var 0xDA2 0x00
• Increase DVMT to 96M setup_var 0x263 0x03
• You can check the value by typing setup_var [ADDR]