RAR archive named only 7512 with what looks like version or revision 1.1, about 1.51 MB, with no brand or device stated. The name is uninformative, so the board it belongs to and the type of contents must be confirmed after extracting. It may hold a schematic, a layout or a firmware dump. Before you use it, compare any board code inside with the markings on the PCB. If it turns out to be firmware, back up the existing flash chip with a programmer before writing.
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.
7-ZipWinRARThe Unarchiver (macOS)