Firmware dump for a Microsoft Surface device, model number 1943, on Quanta board DA0Z91MBAE0 revision E, sized for a 16 MB flash chip and packed in a RAR archive. The DA0...MB... code is the Quanta numbering pattern, showing Quanta as the board maker. A technician writes such an image to the SPI flash with a programmer to recover a unit that no longer boots. Check the board number and revision letter, confirm the chip capacity is 16 MB, and keep a backup of the original contents before writing.
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 →