Originally Posted by c4sK
2080 Ti at 3440x1440p. LLC was at default (on this board Turbo is default)
Turbo is NOT exactly default. Are you referring to the "Auto" setting for Vcore Loadline Calibration? The bios never sets LLC to "Turbo" after you clear CMOS.
Did you have multi-core enhancement enabled or disabled in the BIOS?
If Multi-core enhancement is disabled, "Auto" for loadline calibration sets it to Intel spec, which is the same as "Normal" or "Standard", which is high vdroop (1.6 mOhms). Under these conditions, a 1.45v bios voltage setting is safe, although high. You are still within intel spec, but very close to the edge.
If Multi-core enhancement is enabled, "Auto" for loadline calibration sets it to Turbo (then 1.45v set in BIOS is way too high--the general rule is, the stronger the LLC you are using, the lower the BIOS voltage setting should be).
If multi-core enhancement is set to "Auto", then I am unsure what LLC is being set (it's going to either be Turbo or Intel spec). I can check in a bit.
You also said two different things already.
You said 'you returned the chip to stock and it didn't POST anymore'.
Then you said 'you returned the chip to stock and you had a BSOD'.
These are two completely different things.
Power off and unplug the system from the wall.
Take a screwdriver and short the two "CLEAR CMOS" pins that are labeled in the manual (and also on the motherboard). Leave the pins shorted for about 10 seconds.
Then plug in power PSU cable, power on the system and wait about a minute until it stops the boot loops.
After it's finished doing its thing, let it boot to windows and test it without changing any BIOS settings.
Is it stable now?
*Edit* Auto LLC in the BIOS= Standard/Normal if MCE is set to either Auto or Disabled. (1.6 mOhms of vdroop).
When you reset your CMOS like I said, what is the vcore mode set to? Is it set to Auto? Is the clock speed 4.6 ghz also?
If Vcore mode, Loadline Calibration and clock speed are all Auto, Auto and 4.6 ghz, it should be fully stable.