BIOS binary for the ASUS X555LA notebook, 8 MB in size and tagged 4MATIC, which looks like a source tag rather than a firmware version. The name gives no board revision or BIOS version. The size fits a 64 Mbit SPI flash device, normally written with an external programmer and a SOIC8 clip. X555 variants exist on several board revisions, so compare the PCB markings first. Always read the original chip and save it before erasing, then verify the write afterwards.
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 @ShareMan_Electronic_Files. 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 →