Main BIOS image for the Toshiba Satellite C50-C series, unit BT2N02, built on Quanta board DA0BLQMB6E0. Quanta uses the DA0 prefix followed by the project code and board revision letters, so match the full string silkscreened on your motherboard before using the file. The 3.82 MB RAR archive should be extracted and the binary size compared with the SPI flash capacity. It suits recovery of dead or bricked boards via an external programmer; dump and store the original firmware first because it may hold serial and licence data.
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 @biosarchive. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →