BIOS dump for the Dell XPS 15 Z, the small-chip image of 512 KB, from a GeForce-equipped version, and marked OK, meaning it was reported as working. The small chip on these boards normally holds a separate firmware part, often the EC code, while the main BIOS sits in a larger flash. Program it with a hardware programmer onto a chip of matching capacity. Check the chip marking first, read and save the existing contents, and use it together with the matching big-chip image.
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 @biosbigarchives. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →