BIOS image named MainBios, 32.0 MB in size, without any brand, model, board number or version in its name. The capacity corresponds to a 256 Mbit SPI flash chip, common on recent laptop and desktop boards. A technician would use such a dump to reflash a corrupted BIOS chip with an external programmer, but its source must first be confirmed by inspecting the contents, the original chip should be read and saved, and serial, MAC and ME data may need to be transferred from the old dump.
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 @laptopchiplevelexpert. 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 →