BIOS binary named only K55l, an uninformative label that suggests an ASUS K55 series board but gives no revision, chipset or tested status. The file is an 8.00 MB raw image, the size of a 64 Mbit SPI flash chip, suitable for writing with a programmer such as a CH341A. Because so little is stated, open it in a hex editor or firmware tool to check the version strings, compare against your board marking and revision, and always read and keep the factory dump before overwriting anything.
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 @biosbigarchives. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →