BIOS binary labelled for the Lenovo G500S (spelt Leovo in the name) and marked as fully working, 8 MB in size. That capacity matches a 64 Mbit SPI flash chip, the type a programmer reads and writes directly on the board. The name gives no board number or revision, so compare the image against your board before using it. Always back up the original chip, check the chip size matches, and verify the write after flashing to rule out a bad transfer.
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 →