Li Haiqiang wrote:
What does debug code 0xf9 mean? It stopped here.
Li,
The 440bx is NOT COMPLETE. It will NOT function. It is BROKEN. The port is not finished. Its does not enable RAM.
Hopefully, one of those translates correctly. Do you understand?
To make it work you need to add a lot of code. My earlier email talks about the necessary steps to get 440bx into a working shape.