RAR archive of 292 KB carrying only the ASUS F1A55 series name, so it is unclear which exact board variant it belongs to. The contents are probably firmware or related service data but must be checked after extraction with WinRAR or 7-Zip. Because F1A55 boards come in many variants, compare any model string found inside with the label on the PCB before use. When reflashing with a programmer, save the original chip contents first.
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 @boardview. 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)