BIOS / firmware archive labelled M3074 B14Y, revision 2.0, compressed as a 3.25 MB RAR. The name gives no brand or device model, only these board identifiers, so the board marking itself is the main reference for matching. Such dumps are normally extracted and written to the SPI flash chip with a programmer to repair a non-booting board. Compare the M3074 and B14Y markings and the revision on your PCB, read and save the existing chip contents before erasing, and ensure the image size fits the installed flash chip.
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 →