BIOS for the Biostar J1800NH3 mini-ITX motherboard, hardware version 6.x, packed as a 3.60 MB ZIP; the catalogue lists the brand as ECS. The J1800 in the model refers to the soldered Intel Celeron J1800 platform. Use it to restore a board that will not POST after a failed update by writing the image directly to the SPI chip with a programmer. Check the PCB version silkscreen, keep a backup of the original contents, and confirm the image size matches the flash.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →