Working BIOS dump for a Dell laptop on board 19422-1, stored as a RAR archive of about 16 MB, and described as fully tested. The number follows the Wistron pattern, the ODM that builds many Dell motherboards using five-digit project codes with a dash suffix. Such a dump is written to the SPI flash with a programmer like a CH341A when the original firmware is corrupted. Save a backup of the existing chip first, as it holds unit-specific data such as the service tag, and confirm the board number matches.
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 @biosarchive. 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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →