Mac Pro 4,1 to 5,1 RAM slot 1 not recognized

What Slots To Put RAM In? ram slot 2 and 4 ram-slots Comments15 Scab I think I'll just get 4 xD 128 GBs here I come 10:34 rama slot One single stick should work in every ram slot, no? Also, how can a single slot work in the 3-4 slot and not in slot 1-2 if it's not compatible

ramses book christmas edition slot In this video, we have elaborately discussed which ram slots 1 3 vs 2 4 and different channel