Firmware archive for the Acer One 14 Z1402, referring to board NDBU1401 at revision 2.0, packed as RAR at 3.21 MB. The name does not say whether the package contains a full SPI dump or a BIOS region only. Check the contents before programming. Technicians use such files to restore a dead or bricked board by reflashing the flash chip with an external programmer. Save a copy of the original chip first, and make sure the image size matches the chip capacity.
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 @bioshub. 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 →