Galax RTX 3090 SG 24GB: Underclocked to 1700Mhz 0.750v (375W down to 250W))ĢTB WD SN850 NVME + 1TB Sasmsung 970 Pro NVME + 1TB Intel 6000P NVME USB 3.2 Ryzen R7 5800x3D (Undervolted, 4.45GHz all core)Īlphacool Apex UV - Alphacool Eisblock XPX Aurora + EK Quantum ARGB 3090 w/ active backplateĢx32GB DDR4 3600 Corsair Vengeance RGB C18-22-22-22-42 TRFC704 (1.4V Hynix MJR - SoC 1.15V) Rainbow Sparkles (Power efficient, <350W gaming load) Started Core Cycler with P95 Smallest FFT AVX2 with no hyperthreading for max boost, left for work, and came back to: Applied Vcore Offset -0.0100 in BIOS as I know my CPU likes it a bit lower

System was fairly AVX2 stable at this point (two cores threw an error after 2 hours or so)ĩ. Disabled PBO (default is Auto), also disabled Asus 'Medium Boost It' (default is Auto) and Save&Reboot (this alone didn't fix anything before)Ĩ. Did the same for Curve Optimizer->Per Core (Set all to +5, Save&Reboot, then set all back to default Positive 0, Save and Reboot)ħ. Went into Curve Optimizer->All Core again, and set it to the default Positive and 0, save and rebootĦ. Went into Curve Optimizer->All Core, and set it to something like +5 save and rebootĥ.

Loaded optimized defaults and configured my RAM, but like usual, the system was still AVX2 unstable at this point (RAM tests fine)Ĥ. Flashed fresh BIOS (latest non beta 821)Ģ. But things started to improve a lot after I did this (if memory serves me right):ġ. Sadly I have tried so many things now that I'm not entirely sure what I did to fix it. I have tried all the BIOS files for my board back and forth, little helped, until yesterday.

It would also reboot randomly while gaming, or just idling in Win11 and launching Chrome. Prime95 AVX2 loads would crash my PC instant reboot/BSOD or just error out in P95 (even at BIOS defaults, and much worse if I touched PBO and CO). I managed to fix my system somehow (7950x, Asus B650E-E).

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