Archive with the code name 2MC61SFE-11, 1.31 MB in RAR format. Apart from the identifier and a suffix that is likely a revision or version number, the name says nothing about the brand or contents. It shares its base code with similar files ending in 10 and 13, so pick the variant that matches your board label exactly. Unpack it to determine whether it contains firmware or service documentation. Before any SPI flashing, read and store the existing chip contents.
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)