BIOS archive for the Toshiba Satellite U920T, with board references FLX0MB2 and A3383A in the name, a 2.65 MB RAR. Toshiba boards often carry a project code and an A-prefixed part number on the PCB, so compare these with the board before use. The image is meant for reprogramming the SPI flash with an external programmer when the laptop stays dead or loops after a failed update. Save a backup of the original chip first and confirm that the file 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 @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 →