Always check the HP Support site first by entering your PC's serial number. While they often provide .exe files, these can sometimes be extracted to find the .bin or .fd firmware image.
You are using a physical EEPROM programmer (like the CH341A) to flash the chip directly. Where to Find the "Nutmegminiitx Rev 1.0" BIOS Bin
Have a unique experience with the Nutmeg Rev 10? Share your BIOS recovery story in the comments below (if on a forum) or submit your clean BIN dump to the Internet Archive for preservation.
: Uses a standard HP laptop-style large barrel AC adapter (19.5V, 65W or higher).
Using tools like the CH341A programmer to flash the BIOS chip directly when the PC won't boot.
# Erase the chip sudo flashrom -p ch341a_spi -E