BIOS image for the Dell Inspiron 3567, packed in a 4.98 MB 7z archive, with the code 91N85 in the name, which appears to be a Dell part or board identifier and should be compared against the label on your motherboard. No firmware version is stated. Repair shops use such a dump to reprogram a corrupted SPI flash with an external programmer and clip. Before writing, save the original contents, which hold the service tag and unique data, and check that the image size corresponds to the chip capacity, otherwise it will not fit correctly.
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 →