Dell Inspiron 14R 5420 BIOS dump in raw .bin form, compressed inside a 3.74 MB RAR, for mainboard DA0R0MB6E2. Technicians write such an image to the SPI flash chip with a hardware programmer to revive a board left dead by a failed update or corrupted firmware. The DA0 board number belongs to Quanta, the ODM that manufactured this Dell board. Read the label on the PCB to confirm the same number, keep a copy of the original chip contents, and make sure the image size fits the installed flash chip exactly.
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 →