BIOS collection for the Dell OptiPlex 9020 in mini tower form factor, holding images for both the 4MB and 8MB flash chips found on the board, in a 13.9 MB RAR. Desktop boards of this generation split firmware across two SPI chips, so both images are needed for a full restore. Use a programmer to read and save each original chip first, identify which chip is which by capacity, and write only the matching file to it. Service tag and ME data may require reconfiguration afterwards.
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 →