Combined EC and BIOS dump for the Lenovo B5400, Quanta board DA0BM5MB8D0 revision D, BIOS version J7ET63WW 2.08, packed in 7z. Quanta uses the DA0xxxxMBxx0 naming for its boards, with the BM5 project code here. The image is meant for reflashing the SPI chip with a programmer to recover a dead board or corrupted firmware. Back up the original chip before writing, check that the image size matches the flash capacity, and confirm the board number and revision on the PCB 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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →