100% stabe spec for an i7 920 at around 3.66-3.70Ghz

Zrath

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Dec 20, 2009
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Basically, I'm trying to get it run 100% stable at 3.6-3.7Ghz.
At the moment, I'm not looking for more, it would be great if you guys could help me getting it at this clock with temps<65 degrees.
Mobo: Asus P6T SE
CPU: i920(D0 rev)
RAM: Corsair 6GB 1600 MHz CL9 XMS3
Cooler: Thermalright TRUE 120.
 

andy5174

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@OP: I would be happy to answer if your CPU were an i5-750 instead.

BTW, most peoples here OC their 920 to 4/4.2GHz instead and therefore it is much harder for you to get an answer for 3.6/3.7GHz OC.
 

betacase

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Sep 28, 2009
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I have a i7 920 that i'm cooling on air (cooler master v8)

At 3.6 ghz this was my specs: (I have a ASUS P6T motherboard)

Ai Tweaker: Manuel
Ai Overclock Tuner: 8-8-8-24 (my ram was not XMP so I entered manuel timings)
CPU Ratio Setting: Auto (20)
Intel SpeedStep Tech: disabled
Intel Turbo Mode Tech: disabled
Bclk Frequency: 180
PCIE Frequency: 100
DRAM Frequency: DDR3-1440
UNCLK Frequency: Auto
QPI Link Data Rate: Auto
CPU Voltage: 1.20
CPU PLL Voltage: 1.88
QPI/DRAM Core Voltage: 1.20
DRAM Bus Voltage: 1.66 (when you type 1.65 it changes to 1.66 automatically)
CPU Differential Amplitude: 800mV
Intel HT Technology: Enabled

I ran prime95 for one hour plus and the max temp was 68C (that was on one core the rest were lower)

I've been using these setting for over a week and haven't had any issues, I had real temp running the whole time and the highest my temp has gotten was 56C. This only shows my computer is way to powerful, and I haven't used it to its own potential.

@andy5174 - The people who OC their 920's to 4.2-4.4 that you refered to, they're using water cooling right? If they're on air then I have a lot of reading up to do :)
 

htykim

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right now im testing if my system is stable at 3.6 ghz on 200x20 multi.

my vcore is at 1.162, QPI/Dram Core voltage is at 1.3, CPU PLL is at 1.82.

I been running Prime95 on Small FFT for about an hour now.

I have a i7-920 D0 on a P6T SE Mobo. Im using the Xigmatek dark knight cooler.

my idle ist around 40-41 and my load right now is a constant 67c using CPUID Hardware Monitor.

im trying to find the lowest Vcore setting that is stable.
 

andy5174

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Use Large FFTs instead!

I had experience in failing Large FFTs due to insufficient Vcore SEVERAL times within merely 4 hours given that Vcore passes 24 hours Small FFTs.
 

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