RAR archive of firmware labelled only g500, about 3.04 MB, with no brand, board number or revision in the name. The label most likely points to a laptop model called G500, but the archive contents should be inspected to identify the exact platform before use. Technicians use dumps like this to recover a dead board by rewriting the SPI flash with a hardware programmer. Match the board number on the PCB against any notes inside, back up the existing chip, and make sure the image size equals the chip capacity.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →