Compact 46.7 KB RAR for the Wistron board 09697-1 under the DG15 project name. Wistron boards carry a five-digit number with a dash revision suffix, printed on the PCB. The name does not state the file type; at this size it is most likely a BIOS or EC dump or a small boardview, so extract to check. Verify the number on your board matches 09697-1, and if it is firmware, read the original SPI chip with a programmer and save it 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 @cyberlanelectonik. 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.
7-ZipWinRARThe Unarchiver (macOS)