Toshiba Satellite C850-E3W BIOS archive in 7z format, 3.00 MB. Only the model is given, without a board number or revision, so check the motherboard silkscreen before use, as C850 units were built on different boards. Images like this are written to the SPI flash with an external programmer to bring back a laptop that stays dark or restarts after firmware corruption. Extract the file, read and store the original chip contents, and compare the dump size against the chip capacity before programming.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →