Dynamic voltage with OC? - i7 930

[VortX]

Ok, I have an i7 930, when it runs at the stock 2.8GHz speed, it decreases both the multi and the voltage when it is in idle. However, when I then overclock it to 4.2GHz using 1.4V~, enable SpeedStep, C1E and C-State, the only thing that decreases is the multi, the voltage stays fixed at 1.4V. Is this normal? Is there a way to make the voltage drop as well even with an overclock?

I have an ASUS Rampage III Extreme btw.

Thank you.

 

[DragonQ]

Hmm, have you disabled "Vdroop"?

 

[VortX]

If by disabling vDroop you mean have I enabled Load Line Calibration than yes and no. I have tried with with and without it and it doesn't change.

 

[OLDPHART]

I have a GiG EX58-UD5 i7 920 at 4.2, both multi + Vcore still drop, even with LLC applied. I take it you have been over your settings in the Bios again, check your manual incase you have missed a setting when your overclocking.

 

[VortX]

I have a GiG EX58-UD5 i7 920 at 4.2, both multi + Vcore still drop, even with LLC applied. I take it you have been over your settings in the Bios again, check your manual incase you have missed a setting when your overclocking.

I have checked and rechecked. I am completely confused, checking some other forums and websites, some people are saying changing the BCLK prevents SpeedStep from running properly because it doesn't know what dynamic voltages to apply... Are you sure you haven't got a manual dynamic voltage/vCore offset that you are using?

 

[OLDPHART]

HI again, the only other Bios setting l use is the Dynamic Vcore[DVID] If you have this setting follow my guide -



Easy Way To Work Out Your Dynamic Vcore[DVID] -


My Settings For Example -

This setting in the Bios Dynamic Vcore[DVID] which lowers your CPU Vcore even further [but not your multi]. So my Bios stock setting for my CPU Vcore is 1.25625v at 2.67GHz and my CPU Vcore is 1.31875v when my CPU is overclocked at 4.2GHz. Take away the Stock Vcore from the Vcore used to Overclock the CPU at 4.2GHz > 1.31875v.


1.31875v - 1.25625v = 0.06250v is your Dynamic Vcore[DVID] setting in the Bios > set your CPU Vcore to NORMAL > them Dynamic Vcore[DVID] to 0.06250v and thats it. Right if you have CPU-Z up you should see what your CPU Vcore has been lowered to mine 1.008v, run something like SPI-1m and your Vcore should go up being under load.

CPU Vcore > Bios - 1.31875 > CPU-Z - 1.296v > with DVID it has lowered it to 1.008v.


Hope this helps.

 

[OLDPHART]

Hi again again, this is my Bios CPU Settings-

Adavanced CPU Features................[A = AUTO][E = ENABLED] [D = DISABLED]
CPU CLOCK RATIO.......................[your setting ?X]
INTEL(R)TURBO BOOST.................[E]
CPU CORES Enabled.....................[ALL]
CPU MULTI THREADING.................[E]
CPU ENHANCED HALT (C1E)...........[E]
C3/C6/C7 STATE SUPPORT............[D]
CPU THERMAL MONTIOR................[E]
CPU EIST FUNCTION.....................[E]
VIRTUALIZATION TECH..................[E]
BI-DIRECTIONAL PROCHOT.............[E]

Set like above my CPU Vcore + Multi lowers, underload it rise's.

 

[VortX]

Nah it is as I thought. The only boards that support DVID by the looks of things are the Gigabyte boards. All others loose any dynamic voltage after the you change the BCLK of the CPU.

Thanks for replying