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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 737

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Poll expired: Oct 17, 2012  
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post #7361 of 9543
Quote:
Originally Posted by guska View Post

I was shooting for 4.8 because it was the highest that I could get windows to boot. I was looking for a little extra over the 4.5 I had it at. The 1.5 was a test run, to see if more voltage would have fixed the issue, I would never have expected it to be temp stable at that. I'm fairly new to this, so believe me, I'm trying to suck all this in like a sponge.

What I have gathered so far, is that 4.8 might just be unobtainable with my current cooling, so I should back it off and settle for 4.5/4.6 until I can afford to put a decent water system together.

Thanks for all the info.

yeah, unfortunately it sounds like 4.8 might be out of reach on air. 1.35 and 80C under full load test should be the comfort limits on air. I dont know what you are using your machine for, but if you're gaming on the machine, the difference in FPS can be measured using one hand, and often measured within the confines of how many fingers you can fit in your nose at once.
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post #7362 of 9543
Quote:
Originally Posted by fredxyz View Post

Hello, I searched all around but couldnt find a solution to my problem.

My setup:
Asrock Z68 Pro3 Gen3 + i5 2500k

It used to run just fine at 4.4ghz in stock BIOS and voltagens in auto. After I updated the BIOS to 2.30 the CPU started overheating to max temp in Prime95 Blend test (reaches 98 degrees than starts throtling down to prevent damage). I had to leave it configured to no overclock at all to keep it stable. The cooler and case hasn't changed. Only BIOS version and a VGA upgrade.


I see in Core Temp that the Vcore voltages reach around 1.41 and 1.42 and I think that's the cause of the overheat. The fact is that nothing I change in Setup makes any difference in the Vcore voltages. I tried all in AUTO and tried different Offset values for both CPU en Turbo voltage but makes no difference. The Mobo keeps sending a lot of voltage to CPU and I can't control it.
Tried to go back for old BIOS but the older available in Asrock website is 2.10 and that didn't help, nor 2.20. So flashed 2.30 again.


Anyone can give me some light on how to control and limit the Vcore voltages?

Thanks a lot!

Quote:
Originally Posted by inedenimadam View Post

Can you post some screen shots of your BIOS? It is a general rule to reset everything to default before flashing a new BIOS.

Heres the screen shots. I've tryed many different settings for voltage and duration and also read the first page tutorial. Nothing I do makes any difference in the voltage applied to the CPU, wich causes it to overheat

Thanks!


post #7363 of 9543
Quote:
Originally Posted by inedenimadam View Post

yeah, unfortunately it sounds like 4.8 might be out of reach on air. 1.35 and 80C under full load test should be the comfort limits on air. I dont know what you are using your machine for, but if you're gaming on the machine, the difference in FPS can be measured using one hand, and often measured within the confines of how many fingers you can fit in your nose at once.
Hahaha, very well said! I am indeed using it for gaming, but you know how it is, always want a bit more for 'free'. I might go look into what makes a good water system, as I've always wanted to do it, and this forum seems to have a lot of good info.

Thanks again.
post #7364 of 9543
Quote:
Originally Posted by guska View Post

Quote:
Originally Posted by inedenimadam View Post

yeah, unfortunately it sounds like 4.8 might be out of reach on air. 1.35 and 80C under full load test should be the comfort limits on air. I dont know what you are using your machine for, but if you're gaming on the machine, the difference in FPS can be measured using one hand, and often measured within the confines of how many fingers you can fit in your nose at once.
Hahaha, very well said! I am indeed using it for gaming, but you know how it is, always want a bit more for 'free'. I might go look into what makes a good water system, as I've always wanted to do it, and this forum seems to have a lot of good info.

Thanks again.

I had only installed hard drives and upgraded RAM before I built the system I have now...I found OCN and now I have a custom water loop with a dellided chip with direct die mount, running 5.0 for every day...careful, this site will make you spend money.
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post #7365 of 9543
Quote:
Originally Posted by guska View Post

Hahaha, very well said! I am indeed using it for gaming, but you know how it is, always want a bit more for 'free'. I might go look into what makes a good water system, as I've always wanted to do it, and this forum seems to have a lot of good info.

Thanks again.

1.33-1.35v is probably maximum on air. Anytime i see someone running higher voltage then this on air, i always question how long the stressed it. Air cooling can only take so much voltage and I have never be able to get beyond this even with push/pull setup. You will hit a thermal wall before you reach your maximum overclock.
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post #7366 of 9543
Quote:
Originally Posted by inedenimadam View Post

I had only installed hard drives and upgraded RAM before I built the system I have now...I found OCN and now I have a custom water loop with a dellided chip with direct die mount, running 5.0 for every day...careful, this site will make you spend money.

X2 on this.
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post #7367 of 9543
Found out I was looking voltage in the wrong place. Now looking at CPU-Z it seens fine. I managed to reduce the temperature setting the CPU offset voltage to -100mv. But this way the maximum I can reach is 4.0Ghz. Well its better than no OC. Maybe I just need better cooling.
Remains a mystery how it used to work fine at 4.4ghz with auto voltage with old bios.
post #7368 of 9543
At the risk of sounding like a whiny school kid, I've just been running the suggested blend for just over 10 minutes with the aircon on (23-24C, where it normally is in the room) and I haven't broken 80C yet. Highest temp was 1 core at 77, but now all sitting between 68-73 (with one around 60-65 huh?)

Looking at the progress, it seems as though Logical CPU 1 isn't fully pushing, it's quite a few tests behind, but i7 Turbo GT shows 100% load.

Sent from my GT-I9300 using Tapatalk
post #7369 of 9543
I don't think that matters, afaik not all cores will perform the exact same. Also I believe each core gets a different algorithm, so it's possible to have some trail others...but I could be wrong.
post #7370 of 9543
Quote:
Originally Posted by guska View Post

At the risk of sounding like a whiny school kid, I've just been running the suggested blend for just over 10 minutes with the aircon on (23-24C, where it normally is in the room) and I haven't broken 80C yet. Highest temp was 1 core at 77, but now all sitting between 68-73 (with one around 60-65 huh?)

Looking at the progress, it seems as though Logical CPU 1 isn't fully pushing, it's quite a few tests behind, but i7 Turbo GT shows 100% load.

Sent from my GT-I9300 using Tapatalk

The longer you run the test, the worse they will get out of sync, its nothing to worry about. Your temps will shoot up considerably during the test at 15-30 minutes, as the smallest FFT is getting run at that point. You need to run your tests allot longer than 10 minutes. At 10 minutes you have been running the same algorithm over and over, and that doesnt tell us much. Try 30 minutes for a quick dirty test before you move to the next multiplier, or 12-24 hours for everyday use.
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EK 480 PE EK 240 PE EK D5 Vario Windows 10 
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