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i7 without vdroop? - Page 2

post #11 of 21
Thread Starter 
Quote:
Originally Posted by AyeYo View Post
LLC = without vdroop
LLC off = with vdroop


He said he's running with vdroop on, which is how it should be. Is there a reason you're running with it off?
When i have it off its stable and when its on its not stable.
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post #12 of 21
yea 1.375, people need to check their specs.

Well here is how transient spike would work, under droop lets say you droop .03v from idle to load, then the spike would be .03v in the opposite direction without vdroop.
LLC OFF= 1.33 idle and 1.29 load (-.04v)
LLC ON= 1.35v idle and 1.34 load, spike (+0.4v)= 1.38v spike.
The spike is the results of the VRM thinking that the voltage drooped under load and applying a voltage to bring it back up to normal idle voltage.

For general user you will max on temp before maxing out on voltage, BUT for safe i woudl stay with 1.45v like blamless said, but I would use vdroop control. As now with new VRm design for x58 it seems that many opf the better VRm designs, digital and Gigabyte analog are able to not have that transient spike because of the new tech they use to control vdroop. At least gigabyte advertises no spike.


Edited by Sin0822 - 12/19/10 at 5:05pm
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post #13 of 21
Talking about VID,i thought VID was the voltage that your own individual chip actually required to hit stock clocks,every chip being different and a lower VID chip being more sought after.

As far as i know VID is not something you"set in bios" VID/VCORE 2 very different things......now am i right or am i misunderstaning this?
Edited by superj1977 - 12/19/10 at 5:12pm
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post #14 of 21
Quote:
Originally Posted by lil-tom7 View Post
When i have it off its stable and when its on its not stable.
That's because when you turn it on you need to raise BIOS voltage. When you turn it on your BIOS voltage changes from the minimum CPU voltage to the maximum CPU voltage.
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post #15 of 21
Thread Starter 
Quote:
Originally Posted by AyeYo View Post
That's because when you turn it on you need to raise BIOS voltage. When you turn it on your BIOS voltage changes from the minimum CPU voltage to the maximum CPU voltage.
So i need to mess with bios voltage?
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post #16 of 21
Quote:
Originally Posted by lil-tom7 View Post
When i have it off its stable and when its on its not stable.
You would need to up the BIOS voltage to compensate, at least partially, for vdroop.

In many cases, you will achieve the same stability, and cooler temps, with less real load voltage if you leave vdroop on (turn LLC off), and just bump the BIOS voltage (VID) a bit.

Quote:
Originally Posted by superj1977 View Post
Talking about VID,i thought VID was the voltage that your own individual chip actually required to hit stock clocks,every chip being different and a lower VID chip being more sought after.

As far as i know VID is not something you"set in bios" VID/VCORE 2 very different things......now am i right or am i misunderstaning this?
VID is the voltage identification definition. This is the BIOS voltage.

VID does not imply the stock voltage of a chip, but many people use VID when they should be saying "stock voltage", or "stock VID".

Quote:
Originally Posted by Sin0822 View Post
As now with new VRm design for x58 it seems that many opf the better VRm designs, digital and Gigabyte analog are able to not have that transient spike because of the new tech they use to control vdroop. At least gigabyte advertises no spike.
Is this only for their 24-phase boards or does it apply to all of their recent UD models?
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post #17 of 21
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Ok so what would i have to change for the bio voltage on this board? where would i find it or whats it called?
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post #18 of 21
Quote:
Originally Posted by Blameless View Post
You would need to up the BIOS voltage to compensate, at least partially, for vdroop.

In many cases, you will achieve the same stability, and cooler temps, with less real load voltage if you leave vdroop on (turn LLC off), and just bump the BIOS voltage (VID) a bit.



VID is the voltage identification definition. This is the BIOS voltage.

VID does not imply the stock voltage of a chip, but many people use VID when they should be saying "stock voltage", or "stock VID".



Is this only for their 24-phase boards or does it apply to all of their recent UD models?
Its actually for the old 24 phase VRM. i think it has to do with the interstill PWM and the GPIO that they use for LLC, every board that has 3 levels LLC should have this type of transient LLC control.

I think it has to do with the Vishay drive mosfets and the interstill pwm, and they use the same PWM on all the boards as well as the driver mosfets. The GPIO i believe is an ite phase controller might have the LLC control programmed into it.

So I woudl think it woudl be the same on all boards x58a and up.
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post #19 of 21
Quote:
Originally Posted by lil-tom7 View Post
Ok so what would i have to change for the bio voltage on this board? where would i find it or whats it called?
Turn vdroop on and then up BIOS voltage until you're hitting the same voltage under load that you are now.
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post #20 of 21
Thread Starter 
Quote:
Originally Posted by AyeYo View Post
Turn vdroop on and then up BIOS voltage until you're hitting the same voltage under load that you are now.
Where is the bios voltage?
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