A BIOS / firmware dump. Shared as “22LL0YD. .tp.vst59.pa551” — a .pa551 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 @led_software. 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 →