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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 601

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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post #6001 of 9531
Quote:
Originally Posted by Locaj View Post

When I run Prime95 (in both modes, Blend and Custom) my ratio drops from 46 to 33.
It doesn't happen during first few minutes but after 3mins it start. After 5mins almost half of time it stays at 33 instead 46. My temps max are 65-69*C after 5 min of Prime95.
Pro3 Gen3 (i know it sux)
Your VRM is probably overheating, the Z77 Pro3 is notorious for that. Your CPU temp can be as low as you want, the VRM units will cause your motherboard to throttle back to default frequency.
The only solution I've found so far is to tuck a slim fan directly on top of the VRM heatspreader. This at least delays the point at which I still experience throttle.
post #6002 of 9531
Quote:
Originally Posted by Locaj View Post

Idel vcore is 1.016-1.024.

Is CPU-z suppose to show 16multi?
Yeah... Shouldn't Speedstep kick in and save me some electricity??

Yes its supposed to show it downclock to a 16 mulit. Check your power settings in windows, it should be set to balanced.

Your idle is fine but it could be lower(.950-1.00v). You could always try fine tuning it by decreasing your offset to bring your idle down and then increasing turbo to get your full load stable

EDIT: I run my 2500k at .978v idle and 1.336-1.344v full load
Edited by Lucky 23 - 4/23/13 at 8:04am
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Gskill RipJaws V 16GB 3000mhz Samsung 850 EVO 250GB Seagate Barracuda 2TB EK-Supremacy EVO CPU Water Block 
CoolingCoolingCoolingCooling
EK R9 290X GPU Waterblocks EK-XRES 140 Revo D5 PWM Pump Alphacool NexXxoS 360mm ST30 Alphacool NexXxoS 240mm ST30 
CoolingCoolingOSMonitor
Alphacool NexXxoS 120mm ST30 Cooler Master Jetflo 120mm Fans Windows 10  LG 34UC88 
KeyboardPowerCaseMouse
Quickfire TK red switch Cooler Master V1000 MasterCase Pro 5 CM Storm Havoc 
CPUMotherboardGraphicsGraphics
I5 2500K @ 4.6ghz  ASRock Z68 Extreme 3 Gen 3 ASUS 7870 Ghz Edition ASUS 7870 Ghz Edition 
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Gskill RipJaws X 16GB 1600mhz Seagate 2TB Seagate 320GB ASUS Burner 
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post #6003 of 9531
after finally getting 5ghz stable (prime 12 hours). everything seems to work fine.i decided to try 3dmark vantage, would use 3dmark 11 but atm using gts 250 vid card . anyway, at the system scan screen it freezes up. and my comp just stays like that. i ahve to reset the whole comp to get out of it, dont know why. when i put it back to stock cpu clocks its works fine. i tried it at 4.6 it didnt freeze up but at the end of the test when i go to see my score it telles me there was an error during benchmarking and my score cant be shown. anyone had this problem. does OC'ing affect 3dmark software or even other softwares?
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post #6004 of 9531
@Lucky
Thanks for that. I do have High Performance Power scheme turned on with Minimum Processor state 100%. Now that I know why Speedstep didn't work I'm fine with it. I don't really need to save electricity and prefer to leave it on 100% all the time.
Is it possible that coz my High Performance power scheme my idle is bit higher than .950V?
Should I really set power scheme to balanced? Is there any other reason apart from saving electricity?

@spoonium
Thanks for tip, I actually have Z68 not Z77 but it does make sense.
Where do I find VRM heatspreader? What is that?

/e: VRM must be nr 2?

Edited by Locaj - 4/23/13 at 8:14am
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post #6005 of 9531
Quote:
Originally Posted by Locaj View Post

@spoonium
Thanks for tip, I actually have Z68 not Z77 but it does make sense.
Where do I find VRM heatspreader? What is that?

/e: VRM must be nr 2?
Yeah, nr. 2 would be the heatspreader. However the Z68 is different to the Z77, so it might not suffer from the same design flaws. It won't harm to try though.
post #6006 of 9531
Quote:
Originally Posted by spoonium View Post

Yeah, nr. 2 would be the heatspreader. However the Z68 is different to the Z77, so it might not suffer from the same design flaws. It won't harm to try though.

Thanks... will try.
Is there temp sensor in or around VRM to know if it actually heats up too much?

If VRM is not the reason why my multi drops to 33 then what?
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post #6007 of 9531
Quote:
Originally Posted by Locaj View Post

Thanks... will try.
Is there temp sensor in or around VRM to know if it actually heats up too much?

If VRM is not the reason why my multi drops to 33 then what?
I actually have no idea what else could be the reason, and if it is not, I'd be interested to know the source as well.
According to our Russian friends, the VRM heatspreader does get quite hot while overclocking, so it looks like a decent shot.
post #6008 of 9531
Ok... that's weird.

What is nr 1 on this photo? Coz I just burned my finger on it.

I have a mild burn on my finger tip. That cant be good.

/e Didn't had any fan so I gutted old power supply and took out the fan from there. Placed on top of VRM and it looks like it doesnt drop anymore.
Looks like fixed.
Is there any tool that will record multi over long lime so I can put Prime95 for 12h and check after that did multi dropped at any point?
Edited by Locaj - 4/23/13 at 10:57am
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post #6009 of 9531
Quote:
Originally Posted by Jpmboy View Post

What bsod code did you get? Look under admin events and you'll see an unexpected shutdown, check the event number.

Thanks for the reply, I have included a screen print of the event viewer. I haven't increased the offset as yet.

Regards



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post #6010 of 9531
Quote:
Originally Posted by Locaj View Post

Ok... that's weird.

What is nr 1 on this photo? Coz I just burned my finger on it.

I have a mild burn on my finger tip. That cant be good.

/e Didn't had any fan so I gutted old power supply and took out the fan from there. Placed on top of VRM and it looks like it doesnt drop anymore.
Looks like fixed.
Is there any tool that will record multi over long lime so I can put Prime95 for 12h and check after that did multi dropped at any point?
They're still part of the VRM. The heatsink itself only attaches to the MOSFETs because they're so tiny, but it's probably a good idea to cool both. In fact, it's quite hard to not cool both at the same time. wink.gif

RealTemp offers a log feature, which will also record the CPU frequency. For some reasons the log file is located in my C:\Windows\SysWOW64\ folder though (instead of directly in the program's folder as described in the readme).


@xcom
You have quite a lot of WHEA errors there, so for that alone you should increase your Vcore.
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