A BIOS / firmware dump for Sony hardware (board DA0HK5MB6F0, MBX-269). Shared as “MBX-269 DA0HK5MB6F0 REV F 100% WORKING BIOS.zip” — a .zip file, 2.54 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 @pkbiosbdv. 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 →