RAR archive named SVOD3 with version 1.0.5.9. The name does not identify a device, board or chip, so the contents cannot be described with certainty, and it may be a utility or a firmware collection. Extract it and look at the included files, any readme and the image sizes before using it on hardware. If it turns out to be a flash image, compare the size with the chip capacity and back up the existing chip with a programmer before writing anything.
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 @BiosSchematicBoardviewNoLimit. 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)