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1.38v set in BIOS and LLC Level 3.
That should be around 1.45V, I found LLC LVL 3 gave me min +50mV on VCORE vs [Auto]
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1.38v set in BIOS and LLC Level 3.
Unplug ALL USB devices and hubs. See if that helps.well got my replacement 1800x and im using msi tomahawk board all debug lights are off but it wont come up on display tried hdmi on m/board ,g/card any suggestions before I rma this
That should be around 1.45V, I found LLC LVL 3 gave me min +50mV on VCORE vs [Auto]
well got my replacement 1800x and im using msi tomahawk board all debug lights are off but it wont come up on display tried hdmi on m/board ,g/card any suggestions before I rma this
tried it with gskill trident z 3200 mem just kept showing error light but showing no lights with other memory
I was just curious about the voltage ranges used when everything on auto, as surely that would be an indication of safe ranges for the Ryzen chips?
Yeah I'm not sure what we're communicating yet regarding safe voltage ranges. Once i get official confirmation I'll let you know.
In my 'personal' opinion, anything 1.4v and lower is perfectly safe.
Nah, not all that bothered about using a DMM. I will be taking a look at offsetting the voltage in later releases though when they've ironed most of it out. I'm currently settings it straight.
The maximum warrantied voltages are programmed into the CPU when it is made. For overclocking, we cannot guarantee safe operation as this action voids AMD warranty. A voltage of up to 1.55v can be used but requires a very robust cooling solution (liquid cooling is recommended).
As a general guideline: a CPU voltage of 1.35V is acceptable for driving everyday overclocks of the AMD Ryzen processor. Core voltages up to 1.45V are also sustainable, but our models suggest that processor longevity may be affected. Regardless of your voltage, make sure you’re using capable cooling to keep temperatures as low as possible.
Above quote is from AMD press pack PDF.
Has the 1.55V been "tested in house" with robust cooling solution?
Is there an approximate guideline that if CPU temp is xx °C you can use x voltage?
I'm currently at 3.8GHz ACB on a R7 1700 @ ~1.350V load VCORE measured on DMM, for x264, Y-Cruncher and f@h. Temps are higher end of 70C and just wondering if I should go higher VCORE if ramp cooling to keep similar temps.
Cheers .
The maximum warrantied voltages are programmed into the CPU when it is made. For overclocking, we cannot guarantee safe operation as this action voids AMD warranty. A voltage of up to 1.55v can be used but requires a very robust cooling solution (liquid cooling is recommended).
OK, cool. Where did that info come from?
I want to push the chip, but don't want to kill it
Don't think I would go as high as 1.55v, no matter who told me it was fine