Small 7z archive labelled quanta H97M, which suggests a Quanta-made board based on the Intel H97 chipset, though the name says nothing about the contents, the brand or the revision. It may contain firmware, a schematic or a boardview, so inspect the files after extraction. If it holds a BIOS image, back up the original SPI chip before programming and confirm the image size matches the chip. Compare any board markings with your PCB before using the data in a repair.
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 @notebookschematic. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
7-ZipWinRARKeka (macOS)