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Expo stop working after bios update 0805 to 1401

Level 8

I did bios updated few days ago and I notice EXPO has stop working. I know Asus been having issue with MBO is frying the CPU, that's one of the reason why I decided to updated it in the first place. What should I do at to fix this? 

CPU- Ryzen 9 7900x

MBO- X670E-E

Rams- G.skills Trident Z5 DDR5 6000mhz 

Even after Bios update, I still see my CPU voltages is fluctuating from 1.3V to 1.4V. Is this normal? or should I just redo the bios to get XPO to work then manually set the voltage for Soc. 



Level 9

hi, set Vcore manual to min 1,2v or max 1,25 volt. CPU voltage to auto and Dram voltage as EXPO profil, probably 1,35v

ROG Strix X670E-E, Ryzen 7900, 2x16 Gb Dominator Platinum 6000Mhz