A BIOS / firmware dump. Shared as “Stb 981 982 983 984.abs” — a .abs file, 4.00 MB.
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 @bios_files_Request. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →