RAR archive containing BIOS firmware for a Toshiba L55 laptop. The name gives no full model suffix, board number or revision, and the Satellite L55 line spans several platforms, so the board must be identified before use. Inside should be an image for writing to the SPI flash with an external programmer to recover a board with corrupt firmware. Compare the board number on the PCB, back up the existing chip, and make sure the image size equals 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 →