BIOS image archive for the motherboard numbered DAG3MMB3AA0, revision A, packed as a 6.22 MB RAR. The DA-prefixed number follows the Quanta board-numbering scheme, and Quanta makes boards for several laptop brands. The name gives a 16MB image, matching a 128 Mbit SPI flash chip. Typical use is reprogramming the chip with an external programmer after corruption or a dead-board fault. Check that the PCB reads DAG3MMB3AA0 rev A and that the chip capacity is 16MB, and dump the original first.
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 →