Working BIOS image for the Lenovo G484, 4 MB raw binary, and the name ties it to a specific board variant. It mentions an AMD part on the board and Intel, apparently an Intel CPU build with AMD graphics onboard, so match the GPU population on your board before flashing. Technicians write such dumps to a 32 Mbit SPI chip with a programmer to fix no-boot faults. Save the original chip contents first and compare the board number on the PCB with the source machine whenever possible.
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 →