RAR archive called 08BAD, 7.30 MB in size, whose name reveals nothing reliable about the device, board number or contents. Judging only by size it could hold a firmware image, but extract and inspect it before assuming anything. Check any binaries for model strings with a hex editor or UEFI tool. If it contains a BIOS dump, back up the original SPI chip before programming and confirm the image size matches the chip capacity.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.