A 32 MB firmware dump labelled 18827-1 og, with og most likely meaning the original read from the chip. The number resembles Wistron's five digit board numbering, but no brand or model is stated, so treat it carefully. A raw binary of this size fits a 256 Mbit SPI flash and is written with an external programmer to restore a corrupted BIOS. Check that the chip capacity on your board is 32 MB and that the board number matches, and back up your own chip before writing, since serials and keys differ.
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 @anztechnology. 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 →