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I7 920 and Asus P6T Deluxe v2, confirm settings?

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January 29, 2010 10:44:42 PM

I've lurked here for some time and have attempted to learn OCing. I'd like someone to confirm that I have a good setting for 3.8GHz. Let me say that I've run Prime95 (self-test "blend") for 6 hrs. at the settings listed below with no problem and all appears to be stable. My core temps at the highest were 71-70-68-66 and averaged around 70-68-67-65 as measured by watching OCCT as a monitor. In idle the core temps are around 41.

My settings:
AI Overclock Tuner: XMP
Profile Info: 1600MHz-8-8-8-24-2N-1.65V-1.35V
CPU Ratio: Auto
Speed Step: Disabled
BLCK Freq: 190
PCIE Freq: 100
DRAM Freq: DDR3-1523MHz
UCLK Freq: Auto
QPI Line Data Rate: Auto

CPU Voltage: 1.225V
CPU PLL Voltage: Auto
QPI/DRAM Core: 1.26875V
all others AUTO except
DRAM BUS Voltage: 1.65Volts

Line Load Calibration: Enabled
all others AUTO except
PCIE Spread Spectrum: Disabled

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Again, I need some validation that I've done things correctly please. What are your opinions, is further tuning needed or any recommended? Thanks.

My specs: Mobo: Asus P6T Deluxe v2, CPU: i7 920, RAM: Corsair Dominator 3x2 1600MHz, Cooling: Prolimatch Mega Shadow Black w/Push-Pull fans, Case: Corsair 800D w 3 ceiling fans, Power: Corsair 850-Watt HX

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January 30, 2010 12:17:45 AM

Looks great man! Seems like you got the hang of it so far. I would reccomebd running prime 95 witb small ffts just to confirm stability. Looks like youve got a good chip there. I would push it a little further.

Submit your overclock to this new thread, thanks:
http://www.tomshardware.com/forum/256708-29-core-overcl...
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January 30, 2010 3:48:14 PM

overshocked said:
Looks great man! Seems like you got the hang of it so far. I would reccomebd running prime 95 witb small ffts just to confirm stability. Looks like youve got a good chip there. I would push it a little further.

Submit your overclock to this new thread, thanks:
http://www.tomshardware.com/forum/256708-29-core-overcl...

I went ahead and ran Prime95 with the small fft's (rounded) for about 2 hours but without incident. The temps remained constant to those with the "blend" test.
However, my "auto" setting for the CPU Ratio has taken the ratio from 20 to 21 - thus my clock is now right at 4.0!!! Should I be concerned that I'm running this on such low voltages (1.225 and 1.26875)? Wouldn't such a high clock take a little more "juice" to safely run things? Thanks again!
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January 30, 2010 4:56:56 PM

There will be no problem with running at a higher speed and lower voltages. You cant damage it with to little voltage. So your good as long as it is stable.

BTW dude, AWESOME CHIP!
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January 30, 2010 5:34:43 PM

^ I was running my i7 920 at stock 2.66GHz with the cpu voltage set at 1v (which defaulted to like .97v in desktop). This configuration ran Prime95 stable for hours.

However, as someone else mentioned, the more I lowered my voltages the more the current increased? So my power consumption didn't lower at all. I ended up increasing the cpu voltage to around 1.1v, and finding a "sweet spot" for the lowest idle power consumption at around 35w. (compared to 42w for 1v, ~45w for 1.2v, and ~38w for stock voltages)
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January 30, 2010 5:40:32 PM

Was the guy talking about the mosfet currents? I honestly dont know, but IMO that wouldn't happen because the heat of the mosfets would increase.

But for lower temps etc. i would rather run it at less vcore than more.
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February 9, 2010 12:26:21 PM

Best answer selected by ChuckinSC.
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February 23, 2010 2:28:17 AM

overshocked said:
Looks great man! Seems like you got the hang of it so far. I would reccomebd running prime 95 witb small ffts just to confirm stability. Looks like youve got a good chip there. I would push it a little further.

Submit your overclock to this new thread, thanks:
http://www.tomshardware.com/forum/256708-29-core-overcl...



Thanks for posting the thread link to the Intel Overclockers club.
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