A BIOS / firmware dump for Toshiba hardware (board DA0BLIMB6F0). Shared as “Toshiba L55 L557_DA0BLIMB6F0 BF.bi.zip” — a .zip file, 3.89 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 @free_bios_support. 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 →