Firmware package for the Toshiba Satellite L850 in the -1MV configuration, bundling both the system BIOS and the embedded controller (EC) firmware in a 3.09 MB RAR archive. Having both images together helps when a board shows no power or no display after a corrupted flash, since the EC handles power sequencing, keyboard and charging. Extract the archive, read the original SPI and EC chips with a programmer and save backups first, then confirm each image size matches the capacity of the chip it is written to.
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 →