Small 46.6 KB RAR labelled 08628-1, a code following Wistron's board numbering pattern used for notebooks it builds for several brands. The name gives no model or file type, and the tiny size suggests EC/KBC firmware or a small boardview rather than a full BIOS. Inspect the contents before use. Match the board number silkscreened on the PCB, and if it is a flash image, read and save the existing chip first and make sure the file size fits the target 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.
7-ZipWinRARThe Unarchiver (macOS)