Original BIOS read for a G505 model, 4.00 MB in raw binary form, with no brand or motherboard number given in the name. The or tag suggests it was taken from a working unit before modification. The size suits a 32 Mbit SPI chip. Such dumps are flashed with a hardware programmer when firmware is corrupted; because G505 boards may come in different revisions, compare the board number on the PCB with the original and back up the chip 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 →