BIOS firmware archive for the CCE Ultra Thin U25, with NH4CU53 given in the name, packed as a 5.26 MB RAR. The meaning of NH4CU53 is not stated, so treat it as an identifier to match against the board or existing dump. A file like this is used to reprogram the SPI flash chip on a laptop that will not POST or has corrupted firmware, using an external programmer. Read and save the original chip contents before writing, 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 @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 →