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Voltage settings for Intel 6800k processor

Voltage settings for Intel 6800k processor

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X_FastGamer
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04-01-2016, 11:33 AM
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Hello everyone, I'm just starting out with CPU overclocking and have some questions about the voltage adjustments for my Intel 6800k running on a Gigabyte X99 SLI MB. I've been using a Vcore of 1.33v, a multiplier of 43, a base clock of 100MHz, and XMP enabled for my Corsiar Vengeance RAM at 3000MHz. All other parameters remain unchanged. So far, the setup feels stable—I've run OCCT for an hour, completed Intel Burn Test at full speed, and MemTest for several hours without any major problems. Temperatures have stayed in the low 70s during Prime95 runs, giving me some thermal flexibility.

My goal is to push the clock up to around 4.4GHz, but I'm cautious about going beyond 1.4v on the Vcore. I thought setting it to 1.33v in the BIOS would still leave room for adjustments. However, when checking in BIOS, the Vcore reads consistently at 1.33v, while Windows HWmonitor shows more fluctuation—sometimes dropping to 1.32v or rising to 1.38v, often hovering near 1.35v. This makes me worry that if I try a higher setting like 1.35v, the actual voltage could exceed 1.4v.

I'm also concerned about the Uncore setting in BIOS, which currently reads as 2.8GHz. I attempted to change it to the recommended 100MHz (which would be 4.2GHz), but I couldn't even get past the loading screen. It's unclear why it stays at 2.8GHz despite the changes.

Another point is adaptive voltage control. I'd like to enable it to save power and avoid constantly pushing the CPU too low. Is there a safe way to configure adaptive voltage without risking instability or damaging the MB? Thanks for any guidance! I've attached some screenshots of HWmonitor after Prime95 runs and BIOS settings.

Update: Raised Vcore in BIOS to 1.33v seems to have resolved the instability issue. But temperatures and voltages reported by HWmonitor are much higher—up to 1.38V max.
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X
X_FastGamer
04-01-2016, 11:33 AM #1

Hello everyone, I'm just starting out with CPU overclocking and have some questions about the voltage adjustments for my Intel 6800k running on a Gigabyte X99 SLI MB. I've been using a Vcore of 1.33v, a multiplier of 43, a base clock of 100MHz, and XMP enabled for my Corsiar Vengeance RAM at 3000MHz. All other parameters remain unchanged. So far, the setup feels stable—I've run OCCT for an hour, completed Intel Burn Test at full speed, and MemTest for several hours without any major problems. Temperatures have stayed in the low 70s during Prime95 runs, giving me some thermal flexibility.

My goal is to push the clock up to around 4.4GHz, but I'm cautious about going beyond 1.4v on the Vcore. I thought setting it to 1.33v in the BIOS would still leave room for adjustments. However, when checking in BIOS, the Vcore reads consistently at 1.33v, while Windows HWmonitor shows more fluctuation—sometimes dropping to 1.32v or rising to 1.38v, often hovering near 1.35v. This makes me worry that if I try a higher setting like 1.35v, the actual voltage could exceed 1.4v.

I'm also concerned about the Uncore setting in BIOS, which currently reads as 2.8GHz. I attempted to change it to the recommended 100MHz (which would be 4.2GHz), but I couldn't even get past the loading screen. It's unclear why it stays at 2.8GHz despite the changes.

Another point is adaptive voltage control. I'd like to enable it to save power and avoid constantly pushing the CPU too low. Is there a safe way to configure adaptive voltage without risking instability or damaging the MB? Thanks for any guidance! I've attached some screenshots of HWmonitor after Prime95 runs and BIOS settings.

Update: Raised Vcore in BIOS to 1.33v seems to have resolved the instability issue. But temperatures and voltages reported by HWmonitor are much higher—up to 1.38V max.

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