Archive named 2PESV11, 1.51 MB, an uninformative code with no brand or device named. It matches the size of 2pesv-11 and may be the same content under a different name, so comparing checksums is worthwhile. Unpack it to confirm whether it holds a firmware dump. Make sure the code on your board corresponds before flashing, and use a programmer to read and keep the original chip data. Also confirm that the image length matches the chip size.
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)