BIOS archive of 547 KB for the P5AD2 board; the name reads like P5AD2 ED with version 0502, though the exact variant split is not certain from the name alone. Check the archive contents and the model on the PCB before use. This kind of firmware is used to reflash an older desktop board whose BIOS chip has been corrupted, with a programmer suited to the chip package. Read and keep the original contents first, and make sure the image size matches the chip, as mismatched files will not fit.
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 @afsbiosfree. 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 →