Archive whose name only gives the number 5330 and the word ok, suggesting a tested or working file, but no brand, board number or document type is stated. The 10.5 MB RAR could contain a firmware dump, schematic or other service data, so open it with WinRAR or 7-Zip and check the contents first. Because the device cannot be identified from the name alone, verify any internal file names and board markings against the unit on the bench before using anything from it, and back up any chip you intend to reprogram.
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 @schematiclaptopramkushwaha. 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.