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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 674

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Poll expired: Oct 17, 2012  
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post #6731 of 9531
Quote:
Originally Posted by Dyaems View Post

just want to make sure, if i lower offset voltage to the point that it hangs or BSODs, can i increase turbo voltage to make up for it? never got any BSODs or stuckup yet though..

Yes, if you experience hangs or BSOD then increasing turbo usually stops that.
Quote:
currently running and testing with prime95 blend:]

Just a note : Prime doesn't help if you are trying to find out if you are stable at idle. Tho usually if you are unstable at idle then you won't be able to boot correctly, when that happens(and increasing vcore does not help) then you have found how low you are able to go. I would then bump up the offset volts by two levels(say it doesn't boot at -0.200, then just make it -.0190) and say you are good.

If you are unable to change the bios to revert what you did(because the system freeze or whatever.) Then you will have to clear the CMOS, which will change the BIOS settings back to "normal" like you never overclocked it or anything.(If you have saved profiles then they will still be there to use.)
Quote:
didnt know that theres alot of things to do when i use offset mode. its kinda fun though!

I would have to agree that overclocking in general is somewhat fun. I would assume that this feeling is similar to what a person who likes to work on cars feel when tinkering with his car.
post #6732 of 9531
Quote:
Originally Posted by TwistedTime View Post

Yes, if you experience hangs or BSOD then increasing turbo usually stops that.
Just a note : Prime doesn't help if you are trying to find out if you are stable at idle. Tho usually if you are unstable at idle then you won't be able to boot correctly, when that happens(and increasing vcore does not help) then you have found how low you are able to go. I would then bump up the offset volts by two levels(say it doesn't boot at -0.200, then just make it -.0190) and say you are good.

If you are unable to change the bios to revert what you did(because the system freeze or whatever.) Then you will have to clear the CMOS, which will change the BIOS settings back to "normal" like you never overclocked it or anything.(If you have saved profiles then they will still be there to use.)
I would have to agree that overclocking in general is somewhat fun. I would assume that this feeling is similar to what a person who likes to work on cars feel when tinkering with his car.

thanks i will note that about turbo voltage.

yup, already finished testing with idle and it computer didnt freeze, although i only tested it for about 30 minutes or so. will do more testing while browsing later.

thanks again!
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post #6733 of 9531
Hello everybody,

I am new here, but I have read this post for a while now. I was hoping somebody can help me with a problem. This will be a long post. smile.gif

I have the following setup:
MB: ASrock Extreme6 Z77
CPU: 3570k i5
Cooler: Thermalright Macho HR-02
Video: MSI GTX 660 Twin Frozr II
Memory: 8Gb Kingston HyperX Red
PSU: Corsair CX 500
SSD: 120Gb Kingston V300
OS: Windows 7 64bit

Obviously there is a problem with it. smile.gif I have it for some months now but with an older video card (9600 GT) and I kept it overclocked at 4.5 using eXtreme Tuner Utility (just changed the multiplier to 45 and that was it - I know, not very professional). The thing is that it worked fine, passed every Prime test, Linx, Furmark (never run a 3DMark) etc. Few days ago I upgraded the video card to the mentioned one and, at first, I lowered the CPU to 4000 and every thing worked fine (including 3DMark 11). After a while I wanted to bring the CPU back to 4.5, and the games and 3Dmark 11 kept crashing, but passed every Prime. Al this was done using eXtreme Tuner Utility.

Yesterday, I uninstalled eXtreme Tuner and I went into UEFI. I reset the CMOS and I used all the settings from this post and just modified the multiplier to 45, the offset to +0.005 and the turbo offset from +0.004 to +0.020 (step by step with 3DMark 11 each time - failed at Icestorm every time) and again the same situation: stable in Prime, AIDA, but the games crashed and also 3DMark 11. After that I brought the multiplier down to 40 and the turbo offset to +0.004 3DMark still crashed at FIrestrike tests. So this was worse than eXtreme Tuner Utility.

Does anybody know what can I do to reach a stable 4.5? If I can run a full 3DMark 11 at this CPU speed I will be happy.

Thanks in advance!
post #6734 of 9531
You really should find the fixed voltage required before you try to stabilize offset voltage.
post #6735 of 9531
Hi everybody,
I've read the guide and feel a little bit confused. As I understood, I need to set my cpu voltage to offset +0.005v and turbo voltage to +0.004v among everything else. Then I up ONLY turbo voltage and leave cpu voltage at +0.005v, right? Then does "FAIL (Max Vcore): Decrease the CPU multiplier by 1." mean, that I need to lower cpu multiplier if my vcore hits 1.5v?

Also, I followed the "Starting off..." step, set the Offset to +0.005v, set the Turbo Boost to +0.004v and started increasing cpu multiplier by 1 after every prime95 run. And went up all the way to x45. I think I might get even higher, its just that vcore goes up to 1.368v max, temps are 68 max, but everythings stable. By the way, I tried LLC level 5, but core 0 kind of stops working and my full load drops to 75%. LLC 4 seemed ok, but i started getting random reboots, it rebooted once just after I started prime95, the second one rebooted after 4mins of OCCT. LLC 3 seems ok and stable. LLC 1 gets vcore to 1.46v and I don't think I need it, since 1.36v works fine.

Should I push further to x46+ since temps are ok? I also wondering if I should switch back to LLC 4, but increase turbo voltage by 1 or 2 steps?
Edited by zn1ko - 7/7/13 at 4:11am
post #6736 of 9531
Quote:
Originally Posted by TwistedTime View Post

I don't think the club is saying the gap is the only reason the temp is so high. Solder would have definitely been better then TIM any day of the week. But what some of them tested and found out is that if Intel had decreased the gap between the die and the IHS then there wouldn't have been as much heat and there wouldn't have been as much of a reason for people to delid.
Subjective, to each their own. Some people use multiple stress test programs(Prime, IBT, ect), passed them all, and still found out that their OC was unstable when they start up a game or whatever. Personally I think using multiple tests makes more sense as each test uses different instruction sets which broadens the search field and gives us a better chance in seeing if our OC is stable or not.
You could say that about the gap on any given cpu. As far as I know there is no difference between the gap of a SB and IB chip and RTV is same as well. The simple fix would have been to use solder.
I agree, the more testing, the better off you'll be. I don't believe, however, that prime should be the first thing you run. Doesn't make sense in the amount of time it takes. I run maxxmem and cinebench first. Super quick to pick out marginal instability. If a oc passes both I go to IBT, Once it passes IBT, I run a few demanding games( Crysis 3, Farcry 3, ect.,ect. At that point I'm satisfied that wasting 12-24 hours of computer time will be worth it. People running prime initially to have it fail after a few hours, is a big waste of time.
    
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post #6737 of 9531
@zn1ko

For question 1 : Yes, if you hit 1.5 volts(tho some say don't go past 1.4, this choice is up to you.) then you should reduce the multiplier by one and testing to see if it can pass long hours of prime. If it can't pass long hours of prime then you might have to either increase vcore(but you are probably already near max even if you reduce multi by one.) or reduce multi by one again.

For question 2 : Whether you want to go higher or not is your choice. Your temps are very good(Just have to ask, was prime running for about 20 minutes or more when you took note of the temp? because it takes a little while for everything to heat up and reach an equilibrium.), in fact it sounds like to me that you might have to worry about your self-placed volt limits more then you have to worry about temps(If you are using an Ivy Bridge at least, those low temps but high volts makes me want to believe that you have a Sandy Bridge.).

For question 3 : LLC at level 2 or 3 is generally agreed upon,. And as you found out, while level one is stable, it usually use more volts then necessary.



@hotrod717

I personally believe that if the gap had been smaller on a Sandy Bridge chip then it would have seen even better temps. Its just that solder is so much better at heat transfer than TIM that we still see better temps when the gap on both chips are the same. Sadly , if Haswell is any indication, it seems that they will continue to use TIM for the mainstream chips.
post #6738 of 9531
Quote:
Originally Posted by TwistedTime View Post

Your temps are very good(Just have to ask, was prime running for about 20 minutes or more when you took note of the temp?
Prime was running for about 10 minutes. I have a i5 2500k

Does running at 1.5v have any drawbacks except higher temperature? I mean, if my cpu is below 80C at prime95, why shouldn't i run close to 1.5v when temperature is even lower while gaming? I also have speedstep and c1e enabled, so that my cpu is not that stressed all the time.
Edited by zn1ko - 7/7/13 at 1:06pm
post #6739 of 9531
Quote:
Originally Posted by zn1ko View Post

Prime was running for about 10 minutes. I have a i5 2500k

Does running at 1.5v have any drawbacks except higher temperature? I mean, if my cpu is below 80C at prime95, why shouldn't i run close to 1.5v when temperature is even lower while gaming? I also have speedstep and c1e enabled, so that my cpu is not that stressed all the time.
people might disagree but
look at your CPU as your computers ENGINE.
imagine it being a car.
Sure your car can run at 140mph for a while and it will be cool with the radiator cooling it, but it decreases the lifespan of the engine, wears out some of the other components, and in the end decreases the cars lifespans.

you can game at 1.5v for long periods of times sure, no chips are the same, theres no guarantee your chip will last longer than one at 1.4v or 1.3v or 1.6v, also no ones ever took 100+ chips and done a dedicated test on how many chips running 24/7 1.5v+ fail at X days (imagine how much that would cost!)

safer to stay at lower voltages unless you have money and can afford a brand new chip if yours burns out 3months or 3years down the road.
  
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post #6740 of 9531
Quote:
Originally Posted by aka bmf View Post

Hello everybody,

I am new here, but I have read this post for a while now. I was hoping somebody can help me with a problem. This will be a long post. smile.gif

I have the following setup:
MB: ASrock Extreme6 Z77
CPU: 3570k i5
Cooler: Thermalright Macho HR-02
Video: MSI GTX 660 Twin Frozr II
Memory: 8Gb Kingston HyperX Red
PSU: Corsair CX 500
SSD: 120Gb Kingston V300
OS: Windows 7 64bit

Obviously there is a problem with it. smile.gif I have it for some months now but with an older video card (9600 GT) and I kept it overclocked at 4.5 using eXtreme Tuner Utility (just changed the multiplier to 45 and that was it - I know, not very professional). The thing is that it worked fine, passed every Prime test, Linx, Furmark (never run a 3DMark) etc. Few days ago I upgraded the video card to the mentioned one and, at first, I lowered the CPU to 4000 and every thing worked fine (including 3DMark 11). After a while I wanted to bring the CPU back to 4.5, and the games and 3Dmark 11 kept crashing, but passed every Prime. Al this was done using eXtreme Tuner Utility.

Yesterday, I uninstalled eXtreme Tuner and I went into UEFI. I reset the CMOS and I used all the settings from this post and just modified the multiplier to 45, the offset to +0.005 and the turbo offset from +0.004 to +0.020 (step by step with 3DMark 11 each time - failed at Icestorm every time) and again the same situation: stable in Prime, AIDA, but the games crashed and also 3DMark 11. After that I brought the multiplier down to 40 and the turbo offset to +0.004 3DMark still crashed at FIrestrike tests. So this was worse than eXtreme Tuner Utility.

Does anybody know what can I do to reach a stable 4.5? If I can run a full 3DMark 11 at this CPU speed I will be happy.

Thanks in advance!

the symptoms you describe would appear to be due to the graphics subsystem (eg, stable when stressing the cpu, not stable when pushing the GPU a bit). Make sure you completely uninstalled your old drivers, and perform a clean install of the latest nvidia drivers. also, you may need to load the most recent bios for your MB.

so, set the cpu to default clocks, remove any nvidia drivers (sweeper if necessary) and reinstall the drivers (320.49 whql) and try 3DMK11 again.
thumb.gif

edit: for all on this thread - if you are concern about degrading your CPU, pick up the intel performance tuning plan... that is unless you delided it!
Edited by Jpmboy - 7/7/13 at 5:33pm
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