BIOS archive whose name points to a CSL F27W device with a QL-M tag, about 4.6 MB in RAR form. The name gives little more, so the exact board and chip should be identified by opening the archive and comparing with the hardware. A dump like this is written to the SPI flash with a programmer to recover a unit with damaged firmware. Always read and store the original chip first, and confirm that the image size matches the flash 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 @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 →