Working BIOS set for the Dell OptiPlex 9020 All-in-One, board IPPLP-AZ, supplied for both the 4 MB and 8 MB flash chips. Boards of this kind often split firmware across two SPI chips, so match each image to the chip of the same capacity. A technician uses these dumps to revive a unit that fails to POST or has corrupted firmware. Read and save both original chips before flashing, and verify the board marking matches IPPLP-AZ.
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 →