Main BIOS image for the Lenovo G510, 4 MB, labelled BIOS to separate it from the companion EC file of the same set. On boards with split flash the system BIOS sits on its own SPI chip, here a 32 Mbit part matching this size. Technicians program it directly with a hardware programmer to recover from failed updates or no display faults. Check that the motherboard code printed on the PCB matches, read and save the existing chip first, and flash the matching EC image if both chips are being restored.
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 .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 →