Here is the procedure I used to recover my board using a CH341A programmer:
sudo flashrom -p ch341a_spi
Finding a clean BIOS .bin file for the motherboard can be difficult because HP typically provides firmware as executable .exe installers rather than raw binary images. This motherboard, often found in HP Slimline 251-a123w and Pavilion 110/200/400 series desktops, is based on an Intel J2900 or J1800 SoC. BIOS Recovery and Downloads nutmegminiitx rev 10 bios bin file
You should see output like:
Use software like NeoProgrammer or Asurada with your USB programmer to write the .bin file to the chip. Daisy Data Displays Here is the procedure I used to recover