Archive of 9.07 MB named for model code G614FH with version 301; the name suggests a firmware release for that model but gives no brand or file details, so check the contents after extraction. Files of this kind usually contain a BIOS update image used for recovery. If you plan to program an SPI chip directly, make sure the image is a full dump rather than an update capsule, read and save the original chip first and confirm the flash capacity matches.
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 @Satale_bios_esquemas_Laptop. 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)