A BIOS / firmware dump for Sony hardware. Shared as “SONY DVP NS508 P MT 1389 DEDIVX.binmk” — a .binmk file, 1.00 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 @ShareMan_Electronic_Files. 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 →