Archive of 1.31 MB in RAR format with a purely numeric name, 225, that gives no device, brand or content information. Open it and identify what is inside, such as a firmware image, a schematic or a service file, before using it in a repair. If it turns out to be a flash image, compare the target model, board revision and chip capacity, and save a copy of the original firmware before writing. Unlabelled files should be checked against the hardware rather than trusted by name.
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 @Schematics_Mobile. 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.