Firmware dump for the Dell OptiPlex 3000 Tower desktop, motherboard 212023-1, for a 16MB flash chip, compressed as RAR at 4.53 MB. The board number follows the Wistron numbering pattern used for many Dell systems. A repair technician programs this image into the SPI chip with a CH341A or similar programmer to revive a board with damaged BIOS. Read and keep the original contents first, since service tag and settings live there, and make sure the unpacked image size matches the chip.
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 →