Working BIOS and EC firmware for the Dell Inspiron L502X on Quanta board DAGM6CMB8D0, revision D, supplied as a 6.50 MB RAR. The DA-prefixed MB code is the Quanta ODM numbering printed on the PCB. Technicians flash these images with a programmer to fix no-power, no-display or charging faults caused by corrupt firmware. Determine which image belongs to the BIOS chip and which to the EC, check the revision letter on the board, and save the original contents first.
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 →