i5-3570k with Asrock Pro3 Z77

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Nieru Senju

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Mar 19, 2013
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Hey guys, I just want to get your feedback and opinion. I'm just wondering how much overclock headroom I can get from this setup.

CPU: i5-3570k
Mobo: Asrock Pro3 Z77
PSU: Antec HCG-620m

Now, here's the thing. I can reach 4.8ghz with it @ 1.46vcore.

Do take note that I am only using an after market air cooler which is a Cooler Master 612 PWM.

Bios settings:
Sadly enough, I am not sure what happened but Asrock Pro3 Z77 with 1.9 bios update only has offset for vcore control. Out of the box, the 1.5 bios version has fixed vcore I do not know why asrock do this.

Ok so here's the setup.
PLL Overvoltage: Enabled
C1E: Enabled
C-States: Disabled
Vcore: Offset mode +0.005
Turbo Volts: +0.160
CPU PLL Voltage: 1.75
CPU Load Line Calibration: 0% (Asrock Pro3 Z77 only has 0%, 50%, and 100% mode)
All cores: Yes
Intel Speedstep: enabled
Spectrum: Disabled

CPU-Z:
Frequency: 16-48
Vcore: 1.008 to 1.462

With that being said, my temps stays around 48C then changes from 69C when booting.

A simple SuperPI 1m benchmarking hits 87C max.

Do you guys think I can push it to 5ghz? Any suggestion?

Or I'm already at the wall of my processor?

Since if I hit 4800mhz frequency with a vcore lower than 1.46v I get BSOD.

Or :( bad chip i guess? OR limited by motherbaord?
 
Solution
Novuake


You should be able to reach 5GHz with a better board, but once again, just for the CPU-Z validation, it will not run ANYTHING.
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Novuake

Novuake

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Aug 27, 2011
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A combination of a badluck CPU and a NOT MEANT FOR OCING MOTHERBOARD! Drop those Voltages, 1.48 is gonna KILL that CPU.

If you were to get a better mobo you could probably reach AT LEAST 4.6GHz on 1.32v... The Pro3 has crappy VRM(voltage regulators)

But seriously, drop your voltage, for everyday use you should not exceed 1.3v and no more than 1.35v for short times at MOST if you want your system to last.
 
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Nieru Senju

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Mar 19, 2013
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Hey guys, it's not gonna be a 24/7 run and I do not mind if it breaks or so accidentally. This is for benchmarking puspose only. For a 24/7 setup, I set it at 4.2 ghz with -0.020 vcore. CPU-Z reports may vcore max is 1.19vcore with prime95 running.

Well, I'm just benchmarking it on an AIR cooler. Trying to figure out that limit of this setup. Also, I read somewhere out there I forgot the forum name, maybe it's overclocker.net....well nevermind that, he said he was able to achieve 5.3ghz with asrock pro3 z77 although he broke it at 5.4ghz.

Just to emphasize, only for benchmarking purpose on AIR after market cooler.

However, I am at the point where I am conviced that this is a bad chip. I was just trying to get feedback and opinion from you guys :D any feedback or suggestion is very well appreciated. Moreover, Thank you very much for replying to this thread.
 
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Nieru Senju

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Mar 19, 2013
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So I guess this is really the limit?
Just a quick question, is there a probability that I can get a better result or higher clock like 5ghz if I use a motherboard that's really ment for overclocking?

Or I should just call it a day and accept the fact that this is as much as I can get? lol. Sad ending :(
 
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Novuake

Novuake

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Aug 27, 2011
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You should be able to reach 5GHz with a better board, but once again, just for the CPU-Z validation, it will not run ANYTHING.
 
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Solution
aatje92

aatje92

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Mar 31, 2013
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Why sad? It's still one hell of a chip and can do pretty much anything you throw against it, and you also got a nice little overclock out of it. Be positive :D
 
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Nieru Senju

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Mar 19, 2013
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Hey guys, just to update you all. Was able to push it on 4.9ghz with 1.48vcore. I was able to do some benchmarking without issues. Temps did not exceed 91 c while benchmarking it. Since I regulated my ambient temp at 21c.

 
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aatje92

aatje92

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Mar 31, 2013
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Well just don't let it run 24/7 on that 1.48vcore if you want your chip to last longer than a week.
 
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