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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 26

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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post #251 of 9565
Quote:
Originally Posted by chang87 View Post

here it is lucky...
450
450
450
so what do you think needs to be changed???

From what ive read you dont need internal PLL overvoltage enabled unless going over a 45 multiplier so you can disable this. Most people also disable C3 & C6 because these put the cpu into a deep sleep and could cause BSOD's.

If your going to leave the multi at 43 then you can probably start testing in the negative offsets to bring your voltage down. You might be able to get it lower then what its at now. For me i have a +0.015 offset and my Vcore in bios shows around 1.320-1.328 so your at a lower multi me but higher voltage. It might not be stable at a lower voltage but if you want to try you can and see if you can bring it down.
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post #252 of 9565
Quote:
Originally Posted by Arturo.Zise View Post

Hey guys.
For the last 6 months my sig machine has been happily running at 4.4ghz @ 1.31v (1.28v under load) using Offset mode +0.005 and LLC Level 4. I decided the other day to play around with my OC, so I tried the Auto OC Turbo 50 option in Bios, but it only wants to go to 4.8ghz not 5ghz, and at 1.46v which is way too high for my liking. It also switches to fixed voltage which makes my idle temps high.
So I tinkered a bit and have managed to get stable at 4.6ghz @ 1.365v (1.35v under load) with LLC Level 2, but had to switch from Offest mode to Fixed mode with the voltage to get it stable. Any ideas on how to get it stable with offset mode? I'm running Bios v1.60 if it makes any difference.

Switch it to offset mode w/ a +0.005 offset and leave the multi at 46. Hit the F10 to save and when the computer reboots go back into bios and see what vcore is displayed. You might have to go into a higher positive offset the +0.005 but this is a starting point
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post #253 of 9565
Quote:
Originally Posted by wezza13 View Post

I am currently in the process of lowering the voltage one at a time.
Am on -0.045V at the moment with cpu at 4.5ghz and the core voltage on cpu-z whilst running prime95 is 1.304v.
It's stable at the moment and doesn't show any signs of crashing or freezing up yet.
I'm a bit worried though as to how low should I go on the negative voltages? As I noticed it goes to -200 or something.
What is the lowest I should be hitting?
UPDATE: Blue screened whilst booting windows at -0.080v. Am just about to test it for an hour to see if it's stable. Or should I give it longer? (The core voltage is currently 1.280v at the moment whilst running Prime95)
It looks like you're on the right track. I was only able to go to -0.015 before windows crashed. Lucky 23 has been a great help to me as well. However I'm using another person's settings for now. I may try Lucky's settings to see how that works out.



Quote:
Originally Posted by Lucky 23 View Post

Thats right about where mine is at w/ a 4.5ghz overclock. My full load CPU-z voltage goes between 1.288-1.312. I personally run Prime95 for over 6 hours, i ran my 2500k for around 7 1/2 hours. Most people will recomend more like 12 hours but its up to you.
what offset are you at w/ 1.280v in CPU-z?
Lucky 23,
Please educate me as to the reason to run prime longer than an hour which I have thus far. It seems that after the first few minutes your processor and motherboard temps should be at their highest by then. Why longer?
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post #254 of 9565
Quote:
Originally Posted by Turtley View Post

It looks like you're on the right track. I was only able to go to -0.015 before windows crashed. Lucky 23 has been a great help to me as well. However I'm using another person's settings for now. I may try Lucky's settings to see how that works out.
Lucky 23,
Please educate me as to the reason to run prime longer than an hour which I have thus far. It seems that after the first few minutes your processor and motherboard temps should be at their highest by then. Why longer?

Well from what i know the tests change as the stress test goes on and i think some of the tests are more demanding then others. I also remember someone posted recently that it takes around 6 hours usually for P95 to complete one full loop of all its different test for Small FFT. I ran my E8500 on P95 and ive had it fail 3 hours in a SmallFFt test so thats why i usually go for 6+. Also if you game a lot then you want to think about how many straight hours you usually game for. I probably never hit 6 straight hours of gaming w/out taking a break but its usually good reassurance that my system will remain stable if i do. I know some people say do a minimum of 12 or 24 hours but 6-8 hours has always worked well for me.

Same thing when stressing my first set of RipjawsX in memtest, it took them 3 1/2 hours to fail and for me to see that they were defective. If i would of just ran memtest for an hour i wouldn't of found this out and i would still be getting random BSOD's and system crashes. My second set of ripjaws made it through 6 full passes, which was recommended as the amount of passes needed to be completed for it to be considered stable. For me 6 passes on memtest took 5 hours.

I ran Small fft for my 2500k and it finally peaked at 76c on one core probably 3-4 hours in if i remember right. But SmallFFt will bring your temps up to their max similar to intel Burn test so that why i usually run SmallFFt. I think when i did my E8500 and E6550 i ran both Small FFt and intel burn test. I will probably run intel burn test on this cpu also once i get some extra time
Edited by Lucky 23 - 4/3/12 at 5:12pm
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post #255 of 9565
Quote:
Originally Posted by Turtley View Post

It looks like you're on the right track. I was only able to go to -0.015 before windows crashed. Lucky 23 has been a great help to me as well. However I'm using another person's settings for now. I may try Lucky's settings to see how that works out.
Lucky 23,
Please educate me as to the reason to run prime longer than an hour which I have thus far. It seems that after the first few minutes your processor and motherboard temps should be at their highest by then. Why longer?

I was running Prime95 blend yesterday for over 16 hours and I still got a bsod 124. I think I read that for blend it takes around 18 hours to complete all the test ( could be wrong but I know its more then 12) so that's why people say to run it for that many hours to make sure its 100% stable. You don't have to do this though as its up to the individual on how long they think they need to run prime to be stable.

Now I am having a problem with the LCC on my board.

None of my LLC levels seem to be working on my ASRock Extreme3 Gen3 besides level 1. I am overclocked to 4.5Ghz right now and each of the LLC levels except for 1 make the voltage stay the same during idle or load. Here are the results of each of the 5 LLC levels.

Level 1 LLC: Bios set voltage- 1.43v Bios shows- 1.424v-1.432v Windows idle: 1.416v Windows Prime95 blend load: 1.424-1.432

Level 2 LLC: Bios set voltage- 1.43v Bios shows- 1.352v-1.36v Windows idle: 1.384v-1.392v Windows Prime95 blend load: 1.320v-1.336v

Level 3 LLC: Bios set voltage- 1.43v Bios shows- 1.352v-1.36v Windows idle: 1.384v-1.392v Windows Prime95 blend load: 1.320v-1.336v

Level 4 LLC: Bios set voltage- 1.43v Bios shows- 1.352v-1.36v Windows idle: 1.384v-1.392v Windows Prime95 blend load: 1.320v-1.336v

Level 5 LLC: Bios set voltage- 1.43v Bios shows- 1.352v-1.36v Windows idle: 1.384v-1.392v Windows Prime95 blend load: 1.320v-1.336v

All of these tests were done with the voltage fixed to 1.43v and tried both with the C-States/Intel Speed Step turned on or off. The programs I used were CPU-Z 1.6 64bit and Prime95 26.6.

Does anyone know why I am getting the same results with LLC levels 2-5?
post #256 of 9565
I noticed that LLC didnt seem to make a big difference on my board either so i just left it at level 3. I didnt try level 1 only 2-5
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post #257 of 9565
Quote:
Originally Posted by Lucky 23 View Post

I noticed that LLC didnt seem to make a big difference on my board either so i just left it at level 3. I didnt try level 1 only 2-5

I just searched google and I found a thread on another website that a few people had the same problems with this board. They all said that LLC 1 was the only one that worked.

Can anyone else confirm that they have this issue or if it happens with the Extreme 4?

Edit: Here is another person on OCN that made a post about this http://www.overclock.net/t/1221680/z68-extreme3-gen3-llc-help-plz
Edited by speedy2721 - 4/3/12 at 6:14pm
post #258 of 9565
Thanks for the info Lucky 23 and Speedy2721!

I'll run a minimum 12 hour test in prime.

I never thought about running memtest. I don't have my mem overclocked through but my mem is new.

I'm learning something new all the time here!
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post #259 of 9565
Anyone know any links to a good sites for ASRock z68 mobos? Not an OCing site like this, but the mobo itself. Thanks.
post #260 of 9565
@lucky

just a question bro, it seems that my PC is stable when putting it under full load stress (prime95, IBT)

but everytime i use it for low load thingies like browsing, etc, it will freeze up on me. no BSOD but a simple lock-up.

what could be the cause of it? is it because the C3, C6, and Package C Support are still enabled while using offset volts?

so, do i "really" need to disable the C3, C6, and Package C Support while using offset volts?
Edited by chang87 - 4/3/12 at 9:24pm
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