I have a system with an x470 master sli/ac motherboard which was working fine with the last processor I had installed, I upgraded to a ryzen 9 5900x and now the thing won't post and restarts every 10 to 15 seconds on its own. I looked around and tried different ram and tried dual and quad channels, trying a1a2 and b1b2 but nothing seems to help. I also cleared the cmos too. Please help! The website for the motherboard says it is compatible with the ryzen 9 5900x.