BIOS firmware for the HP TouchSmart tx2500 series tablet notebook, Quanta motherboard DA0TT9MB8D0 revision D, sized for a 1 MB flash chip and stored as a 1.55 MB RAR archive. In Quanta numbering TT9 is the project code and the final characters point to the PCB revision. The dump is useful for recovering a board that fails to start after a bad update or a corrupted chip. Read and keep the original contents before programming, and verify that the chip capacity is 1 MB so the image fits exactly.
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 →