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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 230

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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post #2291 of 9484
Quote:
Originally Posted by TimRobbins View Post

I have a dumb question. LLC should be set to where the voltage matches the BIOS voltage during load according to the OP. For example, I have offset voltage set to +0.005V, LLC on Level 3, and core ratio at 44. Under load in prime test core voltage stays put around 1.184-1.192v. However I can't find the base voltage in the BIOS, only the offset number. Anybody able to inform me? Using an Asrock z77 Extreme4 P2.70

In the older bios it was right next to offset but in the newer bios i believe its next to where you adjust the fans. Try another tab in bios

LLC level 3 is fine, Most people are running level 2 or 3
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post #2292 of 9484
Quote:
Originally Posted by crazyyyk View Post

When I OCing my 3570K to x44 its completely stable, I ran it about 12 hours in prime95 and everything was OK. But when I trying x45, prime95 crashes every time after 50 minutes on the same test, I increase offset and it crases again and again. I checked my RAM with memtest and it was no problem. What can it be? Should I keep increasing my vcore? May be it is problem with prime95?
ps sorry for my english

Take some screen shots of your settings in bios so members can see whats going on. Also post you idle & full load voltages shown in CPU-z
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Quickfire TK red switch Cooler Master V1000 MasterCase Pro 5 CM Storm Havoc 
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post #2293 of 9484
Quote:
Originally Posted by crazyyyk View Post

When I OCing my 3570K to x44 its completely stable, I ran it about 12 hours in prime95 and everything was OK. But when I trying x45, prime95 crashes every time after 50 minutes on the same test, I increase offset and it crases again and again. I checked my RAM with memtest and it was no problem. What can it be? Should I keep increasing my vcore? May be it is problem with prime95?
ps sorry for my english

One way to tell is to purposely over volt it and see if u can pass that particular fft that it is failing on. So for instance if you are currently at 1.2v then try 1.3 or 1.35 if temps permit. If it works then it was vcore related. Go back to 1.2 and start increasing until you pass that fft for 15 minutes.
post #2294 of 9484
Quote:
Originally Posted by Lucky 23 View Post

In the older bios it was right next to offset but in the newer bios i believe its next to where you adjust the fans. Try another tab in bios
LLC level 3 is fine, Most people are running level 2 or 3

I have to second this question. I found my Vcore under H/W monitor, same mobo as the original question.

I have offset 0.005, turbo 0.004.

Vcore in bios says anywhere between 1.064 - 1.08. under load at 45 multiplier it's 1.2+ according to CPU-Z at either level 2 or 3.

That math does not add up no matter which way you slice it. I have no clue what LLC setting I should use.

Edit: Okay, so I'm dumb. Obviously it makes more sense to start at 33 to figure this out, so I did. Still, none of the levels get me the right reading in windows. I'll have 1.05 in bios, 1.08 under load. that's as close as i can get it, and that's Level 5 (0%) :S. I'm just thinking of throwing it on level 3 and calling it a day, or maybe just leaving it off. It doesn't seem to want to cooperate, that is unless i'm blatantly doing it wrong
Edited by vasametropolis - 12/28/12 at 5:20pm
post #2295 of 9484
Quote:
Originally Posted by vasametropolis View Post

I have to second this question. I found my Vcore under H/W monitor, same mobo as the original question.
I have offset 0.005, turbo 0.004.
Vcore in bios says anywhere between 1.064 - 1.08. under load at 45 multiplier it's 1.2+ according to CPU-Z at either level 2 or 3.
That math does not add up no matter which way you slice it. I have no clue what LLC setting I should use.
Edit: Okay, so I'm dumb. Obviously it makes more sense to start at 33 to figure this out, so I did. Still, none of the levels get me the right reading in windows. I'll have 1.05 in bios, 1.08 under load. that's as close as i can get it, and that's Level 5 (0%) :S. I'm just thinking of throwing it on level 3 and calling it a day, or maybe just leaving it off. It doesn't seem to want to cooperate, that is unless i'm blatantly doing it wrong

I am in the same boat as you.
I can't seem to make any mathematical sense of the Vcore voltage when comparing what the bios shows, the offset I am using and then LLC just makes it even more confusing. Then it seems if I change from lets say Level 3 to Level 2 in the bios I get completely different voltage readings in windows and need to start trying to find my correct Vcore all over again. I've been googling around for quite a while trying to figure it out and I am pretty stumped. I wish someone could explain how exactly to set the LLC properly and how to make mathematical sense of the voltages when using offset! Then Turbo Boost voltage confuses me too, I have no idea when I am supposed to play with that. Overclocking my Core2Duo was so much simpler, lol. Just keep tuning the voltage until you get the lowest stable one and it was good. These new processors are pretty confusing.
post #2296 of 9484
I'm not sure if I understand what you're asking. If you're using offset voltage then the board has several stages of voltage that it will apply depending on the clock speed that the cpu is running and the load it is under. If I'm not mistaken, your initial voltage reading in bios is accurate. About 1.08 at idle and 1.20 at load is not out of the ordinary. That is the way that offset/turbo is designed.

It sounds like in your edit that you set a fixed voltage. That would set the voltage at one spot regardless of cpu clock speed and load. Most of the overclocking tutorials use the offset/turbo method because you're not running a heavy voltage across the cpu at all times. Offset saves power and possibly life on your processor.
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post #2297 of 9484
Used this guide with my 3770K and ASRock Z77 Extreme3 and I was able to hit 4.5 GHz stable.

I wasn't able to do so on my Z77-UD3H with numerous configurations but hit it easily with this motherboard.

Amazing guide, thanks.
post #2298 of 9484
I used your guide to overclock my 3570k, i chose the offset mode. The problem is that speedstep doesnt work, should it be working with all if those c states disabled? Should I just disable it?
post #2299 of 9484
Quote:
Originally Posted by makuab View Post

I used your guide to overclock my 3570k, i chose the offset mode. The problem is that speedstep doesnt work, should it be working with all if those c states disabled? Should I just disable it?

Do you mean that it doesn't reduce the core speed in your monitoring software?
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post #2300 of 9484
Ye
Quote:
Originally Posted by spidey81 View Post

Do you mean that it doesn't reduce the core speed in your monitoring software?

Yes, I dont see the multiplier drop in cpuz
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