Zipped BIOS dump referencing board number X896569-001, a Microsoft Surface Pro 3 board designation, with 1631 in the name possibly marking a date or build code. The archive is 7.47 MB. Such dumps are flashed onto the board's SPI chip with an external programmer to recover a tablet that will not boot. Compare the board marking with your unit, unpack and confirm the image size matches the flash, and back up the existing contents 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 @vinafix_bios. 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 →