Firmware archive for the ASUS X541SA notebook, a 12.9 MB RAR file; the name states only the model and gives no board revision or BIOS version. The larger size suggests it may hold more than a single image, so check the contents after extracting. Such dumps are typically written to the SPI flash with an external programmer to revive a board that no longer posts. Back up the existing chip first, compare the image size with the flash capacity, and verify the PCB revision of your board before writing 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 @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 →