Firmware image archive for a Biostar J1900NH2 mini-ITX board, 3.80 MB as a RAR, although the catalogue lists the brand as ECS. The J1900 in the name refers to the Intel Celeron J1900 platform such boards are built around. Use it to recover a board with a corrupted BIOS by writing the extracted image to the SPI flash with an external programmer. Before writing, back up the existing chip, verify the model printed on the board, and compare the image size with the chip capacity, since a mismatched file will not fit.
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 →