Firmware dump for the Lenovo G550 laptop, 2.00 MB binary; the name gives no motherboard number or revision. The size matches a 16 Mbit SPI flash chip. Such images are used to revive boards stuck at no display or boot loops caused by corrupted BIOS, programmed externally with a clip or after removing the chip. Because several board variants may exist for one model, check the PCB number and flash capacity and keep a backup of the original contents before writing.
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 @bios_laptop. 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 →