BIOS dump archive for the Acer Aspire One D256 series, with the model suffix 13473 and the Quanta board DA0ZE6MB6E0 named in the file. Quanta uses DA0 codes where the middle part identifies the project and the trailing characters encode the PCB revision, so the full code on your board should match. The 875 KB RAR is meant for reprogramming the SPI flash with a hardware programmer when the netbook fails to POST. Read and keep the original contents before erasing, and verify the image size fits 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 →