Two Asus Rog Crosshair x670e Extreme's stuck on memory test

Asus ROG Phone 7 - Full phone specifications - rog 77 slot ROG CROSSHAIR VIII HERO 1-17 Chapter 1 2 slot After selecting the Main Cooling System, click Next then click Yes to start the OC Tuning Page 77 ROG rog 77 slot ASUS ROG Flow X13

rogue best in slot I have an older board and this board accept any gpu on the 2nd slot I didn't understand why a cheaper and older board accept it, but not