Firmware archive for the Toshiba Qosmio X870, spelled Cosmio in the original name, packed as a 3.13 MB 7z file. No motherboard number or revision is given, so check the board code printed on the PCB before relying on the image. A technician would use it to restore the BIOS flash with an SPI programmer after a failed update or chip corruption. Extract the archive, inspect its files, save a full read of the existing chip first, and confirm the image length matches the chip capacity.
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 →