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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 731

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post #7301 of 9531
Dont use "auto" for additional turbo voltage, change it to +.004, we dont want your motherboard in charge of voltage.

CPU-Z should be able to tell you your VCore under load
Use P95 to load and wait a minute and then check voltage and report back.
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post #7302 of 9531
Quote:
Originally Posted by inedenimadam View Post

Dont use "auto" for additional turbo voltage, change it to +.004, we dont want your motherboard in charge of voltage.

CPU-Z should be able to tell you your VCore under load
Use P95 to load and wait a minute and then check voltage and report back.

Actually I believe that Turbo is disable when set to auto allowing all voltage control through offset. Maybe if you have free time you can reconfirm but I set my old OC back up in bios to test it really quick.

45 multi with a +0.015 offset & turbo on auto then ran Prime 95 for a minute or two to check full load vcore in CPU-z. Then went back into bios and change the Turbo from auto to a +0.004 and saw no change in voltage during prime 95. Lastly i set turbo to a +0.008 and saw a slight increase in voltage during prime 95.

I'm pretty sure Turbo is disable on auto or outputs less then +0.004 thinking.gif
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post #7303 of 9531
Quote:
Originally Posted by Lucky 23 View Post

Quote:
Originally Posted by inedenimadam View Post

Dont use "auto" for additional turbo voltage, change it to +.004, we dont want your motherboard in charge of voltage.

CPU-Z should be able to tell you your VCore under load
Use P95 to load and wait a minute and then check voltage and report back.

Actually I believe that Turbo is disable when set to auto allowing all voltage control through offset. Maybe if you have free time you can reconfirm but I set my old OC back up in bios to test it really quick.

45 multi with a +0.015 offset & turbo on auto then ran Prime 95 for a minute or two to check full load vcore in CPU-z. Then went back into bios and change the Turbo from auto to a +0.004 and saw no change in voltage during prime 95. Lastly i set turbo to a +0.008 and saw a slight increase in voltage during prime 95.

I'm pretty sure Turbo is disable on auto or outputs less then +0.004 thinking.gif


I never bothered to test it, I just assumed that AUTO was a no-no because it was an unknown variable left up to the motherboard. Could I bother you to confirm that by using auto and putting it to something unstable but bootable on those same settings...like I dunno maybe 47x and check it again. If the voltage is the exact same then you are correct, if it is higher, then it is your motherboard kicking in the way I had always assumed "auto" would. smile.gif
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post #7304 of 9531
I haven't clocked my at 4.7 but i can try 4.6 and see if there is any difference. The way i look at it, it would make sense for turbo to be disabled when on auto since it would not be adding any additional voltage to your full load vcore thats provided by your offset. Reason being that its possible that offset alone can support a decent idle and stable full load w/out any additional turbo voltage.

When i have my cpu at 4.5 w/ the +0.015 offset, it would idle at 1.00v and had a stable full load of 1.304.
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post #7305 of 9531
Having some major issues with my rig. I just installed a Swiftech H220 and a new EVGA NEX750G PSU but now I'm getting BSODs like mad whenever I try to use Prime95 with the settings in the guide to test it, even on stock. Anyone got any ideas? I keep just getting the whea_uncorrectable_error in Windows 8.1 Pro 64-bit and did get it before on the RaidMax 730SS PSU at stock but it stopped when I disabled SpeedStep.
post #7306 of 9531
Hello!
I am new overclocker and i need your help. This thread is good but i can't understand everything.
My CPU is i5 3570k with Macho HR-02 and motherboard AR Extreme4 Z77.
I tried overclock them to 4.2Ghz but there is trouble choose right voltages because i don't know what is good to use.
In idle cpu voltages are about 0.85V-0.96V but sometimes jump to over 1.0V. Core speed 1.6Ghz and jumps to 4.2Ghz.
In stress voltages were 1.08-1.12V at 4.2Ghz core speed.
I have two monitors and other of them is plug in my cpu integrated video card. Is that problem?
I post a few picture to here and maybe you can understand better what i mean.











- Idle

- Work
Is everything right?

Sorry if pictures are too large and my text is hard to understand.
Thanks!
post #7307 of 9531
Quote:
Originally Posted by danzki View Post

Hello!
I am new overclocker and i need your help. This thread is good but i can't understand everything.
My CPU is i5 3570k with Macho HR-02 and motherboard AR Extreme4 Z77.
I tried overclock them to 4.2Ghz but there is trouble choose right voltages because i don't know what is good to use.
In idle cpu voltages are about 0.85V-0.96V but sometimes jump to over 1.0V. Core speed 1.6Ghz and jumps to 4.2Ghz.
In stress voltages were 1.08-1.12V at 4.2Ghz core speed.
I have two monitors and other of them is plug in my cpu integrated video card. Is that problem?
I post a few picture to here and maybe you can understand better what i mean.
Warning: Spoiler! (Click to show)










- Idle

- Work
Is everything right?
Sorry if pictures are too large and my text is hard to understand.
Thanks!

Everything looks good, your voltages are good, temperatures are good, and bios settings are right. My opinion: You have plenty of room to let your processor stretch its legs, I am quite sure that you could get to 4.5 with good temps and good voltage. Dont worry about the voltage jumping around at idle. Very, very rarely is there absolutely nothing that is using some CPU cycles in the background, and that will cause the volts to jump around a bit. Two monitors hooked up to the igpu is also not a problem for your processor, if you have a discrete graphics card, you might want to use that for both monitors instead, but it does no harm. thumb.gif
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post #7308 of 9531
Quote:
Originally Posted by inedenimadam View Post

Everything looks good, your voltages are good, temperatures are good, and bios settings are right. My opinion: You have plenty of room to let your processor stretch its legs, I am quite sure that you could get to 4.5 with good temps and good voltage. Dont worry about the voltage jumping around at idle. Very, very rarely is there absolutely nothing that is using some CPU cycles in the background, and that will cause the volts to jump around a bit. Two monitors hooked up to the igpu is also not a problem for your processor, if you have a discrete graphics card, you might want to use that for both monitors instead, but it does no harm. thumb.gif
Thanks for answer!
I am sure when i know more of overclock i try to go 4.5Ghz. What do you think which voltages are good to try first? I mean where is start it.
And if i stay at 4.2Ghz what voltages you suggest for my core? Little bit more what i have now?
post #7309 of 9531
Quote:
Originally Posted by danzki View Post

Quote:
Originally Posted by inedenimadam View Post

Everything looks good, your voltages are good, temperatures are good, and bios settings are right. My opinion: You have plenty of room to let your processor stretch its legs, I am quite sure that you could get to 4.5 with good temps and good voltage. Dont worry about the voltage jumping around at idle. Very, very rarely is there absolutely nothing that is using some CPU cycles in the background, and that will cause the volts to jump around a bit. Two monitors hooked up to the igpu is also not a problem for your processor, if you have a discrete graphics card, you might want to use that for both monitors instead, but it does no harm. thumb.gif
Thanks for answer!
I am sure when i know more of overclock i try to go 4.5Ghz. What do you think which voltages are good to try first? I mean where is start it.
And if i stay at 4.2Ghz what voltages you suggest for my core? Little bit more what i have now?

if you are stable, your voltages are fine for 4.2. I would just go ahead and set the multiplier for 4.5 and test for stability...whenever it fails, add turbo voltage until it passes. my guess is that it will take .060-.100 more voltage, so you can take larger steps until you get into that range of additional voltage.
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post #7310 of 9531
Can someone tell me why my motherboard (ASRock Pro3 Z77) doesn't allow fixed voltage? I'm pretty sure that it was an option before I updated my BIOS, but now I have Auto and Offset only.

I would really like to test fixed voltage because my Vcore is 1.3v when I run offset +0.005 at 4.2GHz. I can actually run 4.2GHz at auto voltage where it's only around 1.2v
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