Also, I don't know if this matters, but all I have connected to the game cube is the main motherboard and the GCVideo FPGA (no controller board or DVD drive is connected).

I have verified that composite video still works and outputs video.

New to the forums and trying to do this mod. I bought the board pre-programmed from KNJN.com with version 2.3 pre-flashed Soldered all of the connections, however I get no blinking LEDs and no video displayed on the screen (though my monitor stops showing the self check function as soon as I plug in...