Archive whose name lists Intel processor models G3020, G3060, G1820, G1920 and G1922, so it is presumably related to that group of desktop Pentium and Celeron chips, though the name does not say whether it holds microcode, a BIOS mod or notes. At only 135 bytes the RAR is far too small to contain a firmware image and is likely a link, text stub or an empty or broken archive. Open it with WinRAR or 7-Zip and inspect the contents before assuming it holds anything usable for a board 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 @biositechyangiyer. 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.