A BIOS / firmware dump for Apple hardware (board 820-3017). Shared as “APPLE_MAC_MINI_A1347_820_3017_A_WORKING_BIOS_100%_TB_telegram_BIOS.zip” — a .zip file, 3.97 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @BIOS_Repair. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →