Zipped BIOS dump for the Quanta board DA0UW2MB6D0, revision D, with the UW2P project code and a 3F81 tag that probably marks a version or checksum. Quanta numbers its laptop boards with the DA0 prefix followed by the project code, and those boards end up in several brands of notebook. Inside the 690 KB archive is a .bin image meant for writing to the SPI flash chip with a hardware programmer. Read and save the original chip contents first, and make sure the image size equals the capacity of the installed flash.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →