We need a stable bios even for non x3d, 7950x on my hero with Expo Enhanced and pbo limit thermal 80º and everything else default auto sets in bios 1.349v for CPU VSoC , yet after monitoring it actually spikes above 1.35v. and bad things starts to ha...
Ok trying to help , since you are aware and already excluded this scenario, just a few questions to try and maybe find the root cause:
1 - Did you update the chipset drivers with latest?
2 - Are GPU drivers well installed (maybe uninstall , full rebo...
That is not a bug, it is a feature, NVIDIA runs at PCE4 1.1 on IDLE but as soon as you kick some GPU workload will revert back to PCI full 4.0, check below GPUZ on my 4090 IDLE vs GPU worload (game in the back running)IDLESOMETIMES IDLE with a bit of...
Just for science , have you tried after setting EXPO profile check that probably ir sets all VSOC to 1.35v . So change manually the CPU VSOC to 1.25v and leave the mem at 1.35v? I suspect that is one of the issues on many X670 boards causing various...