Archive in RAR format, about 416 KB, labelled H0222-1 and grouped with other H0222 files such as SE, SC and 2. Its name gives no maker, model or content type, so what it holds is unknown until it is unpacked with WinRAR or 7-Zip. The numeric suffix probably distinguishes a part or revision. Technicians should open it, identify the contents, and confirm that any board code inside corresponds to the markings on the PCB before using it; dumps should never be flashed without first backing up the original chip.
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 @schematicslaptop. 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.