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Haswell Overclocking Guide [With Statistics] - Page 682

post #6811 of 19637
This CPU is weird I change the multiplier to 42 goes to 4200 mhz I then change it to 43 it goes to 4.1ghz . But here is my CPU-Z
I am getiing about 74 degrees constant on Aida64 and got 75 on prime95. I got lower temps when it was at 4.2......
post #6812 of 19637
Quote:
Originally Posted by Hhead View Post

hello there.. im new to the forum. also new to overclocking.
i got a pentium 2 300mhz. now trying to overclock it to 450mhz but first i gotta get rid of these 32mb ddr rams and get a beand new 64mb ones.
just kidding..

I just got my i7 4770k batch 314. + Z87 sabertooth + 2X8 Gskill 2400mhz tridentX


ive been reading since page 650 and my head is pretty messed up..
been working on my OCs but none is stable till now.
im currently running 4000 mhz. and testing with aida64 + cinebench + intel burn test

but there are too many voltages with many aliases.and im not sure which one to raise

i set my input voltage to 1.9 and max cache is 38x right now.
core voltage is 1.2 with 40x multiplier.

ram currently runnin at 1600.


and what is aida64 fpu stress test doing really? yesterday i tried that and my temps suddenly went up to 100 in a second then i stopped it. now doing my stability tests only stressing CPU and memory.


You making it more complicated than it needs to be, at least at the start. Start slowly, changing as few things as possible at a time.

Are you on stock cooler, 3rd party air (which one) or water ?

1. On stock cooler, you can't run AIDA, OCCT, prime or anything else like that ....well ya can, but you will rise to unsafe temps very quickly.

2. Watch some of these videos .... lotta times seeing someone do something is easier than reading a list of terms ... these are by Asus, ya can look for board specific ones too.

http://www.youtube.com/watch?v=Z7zPu9255ZI
http://www.youtube.com/watch?v=ub6WnHmiIOs

They will cover what OCs are safe using various cooling methods.

3. Decide why you are overclocking ....is it for better performance ? .... or just for the challenge, learning experience of for "competitive benchmarking" purposes to get the highest possible validated multiplier and have bragging rights over ya best buddy smile.gif ?.

If the first, keep in mind that while core is king, reducing other parameters in the BIOS will actually reduce performance after a certain point. For example, JJ from Asus reports in one of those videos, and not to say that everyone agrees with him, that reducing the ring bus (sometimes called uncore) more than 3 under ya core multiplier will have a detrimental effect on ya overall performance.

4. For "real world" testing I find Asus' RoG RealBench an excellent tool for zeroing in on a stable OC for actual usage .... Prime95, AIDA, OCCT et al are great tools that hammer ya system like nuthin else and I used them all ...pre Haswell..... but that's just it ....like nothing else that your PC will ever see outside of running those synthetic tests.....so if ya just out to get a stable platform that runs all the programs / games that ya wanna run, these synthetics put an unwarranted strain on ya system for no real benefit. If ya can run RoG RealBench, your CPU will be pretty much "dialed in" for every day usage.

5. However, recognize that after ya pass all the benchmarks and torture tests ya decide are needed, an hour, a day, a week or a month later, ya system is gonna crash requiring just another little tweak. I had been crash free for about a month, till the system went down when my son was playing BF4 ... bumped up the voltage 0.05 and system was fine again till today when it went down w/ a 0124 error while essentially running Unigine Valley / Heaven / 3Dmark for about 9 hours while I play with pump and fan speed profiles....I expect this 2nd 0.05 boost will put an end to these ....now on (1.33 VCore w/ adaptive)
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post #6813 of 19637
Hey guys! Will be around a bit more now. Didn't really post in the last week aside from a few more inactive threads because i was really ill. I'm just gonna skip reading some threads because reading a thousand posts would take quite a while and most of them are old by now
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post #6814 of 19637
Quote:
Originally Posted by error-id10t View Post

Does your scheduled sleep work when in Manual and using C states to replicate Adaptive mode? I ran in Manual mode and C3 For little while because of this but noticed my computer didn't go to sleep anymore (I could manually put it to sleep though no problems). When I switched back to Adaptive, scheduled sleep worked again.

Hey man. Nah scheduled sleep doesnt work when I'm using C states + EIST either. I guess if that's a feature you need to have, proper Adaptive voltage is the only answer.
post #6815 of 19637
My scheduled sleep and such work just fine with C-States and EIST. Configure Windows properly for it. I have my .1v idles and my PC sleeps in 30 minutes or so.
post #6816 of 19637
Well i discovered after a lot of searching that the intel burn test and aida64 fpu test will just request as many volts as it needs to keep running and over ride any settings you have if voltage set to dynamic or whatever it's called on your motherboard. If you set it to forced voltage where it doesn't drop the volts at idle it will only use as many volts as you set. Having said that it still runs about 20 degrees higher than any other stress test, intel burn test does the same but it spikes rather than just sitting there.

I'm a lot happier with my overclock now. I was gonna run with 4.5ghz @ 1.32 volts, hitting 80 in prime and 60 in gaming. After running the fpu test in aida64 and intel burn test i tweaked a bit more and got it stable at 4.3ghz and 1.23 v core. Don't go over 68 in prime95 now and still around 88 with the fpu test and spikes to similar with intel burn. Gaming stays around 55, and at idle v core drops to 0.719 @ 800mhz lol.

Sure the overclock might be crappier but i'm confident i'm completely stable and have found the sweet spot without pushing to hard. I think my cpu is pretty crappy actually, was running 1.19v @ stock settings.
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post #6817 of 19637
Quote:
Originally Posted by Shanenanigans View Post

My scheduled sleep and such work just fine with C-States and EIST. Configure Windows properly for it. I have my .1v idles and my PC sleeps in 30 minutes or so.

ahh maybe ive just messed something up then. i don't use auto-sleep so its not a huge issue for me personally.

it might be because your idle voltage is higher than mine; i think my idle voltage is as low as 0.015v
post #6818 of 19637
Quote:
Originally Posted by Shanenanigans View Post

My scheduled sleep and such work just fine with C-States and EIST. Configure Windows properly for it. I have my .1v idles and my PC sleeps in 30 minutes or so.

lol, what exactly do you think I need to "configure correctly". If it works just fine in Adaptive mode but not in Manual, that's a bug. add: that's why I asked him specifically as he has an ASUS mobo.
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post #6819 of 19637
Quote:
Originally Posted by fleetfeather View Post

ahh maybe ive just messed something up then. i don't use auto-sleep so its not a huge issue for me personally.

it might be because your idle voltage is higher than mine; i think my idle voltage is as low as 0.015v

Ah, I don't keep track. I know mine goes that low as well. I had posted a picture here earlier of the low idle voltage. So it's not that. Try leaving all your C-States in auto except for C6/C7 where you force that enabled ( since your PSU has no issues with powering the CPU at <.1v ).
Quote:
Originally Posted by error-id10t View Post

lol, what exactly do you think I need to "configure correctly". If it works just fine in Adaptive mode but not in Manual, that's a bug. add: that's why I asked him specifically as he has an ASUS mobo.

At first, mine didn't work either. My PC would just be awake. I thought it was related to media ( foobar being open ), but it wasn't, I messed around with the power settings and the BIOS settings above and finally got it to work. A problem for me earlier was that my PC would autostart RIGHT after going to sleep. So I knew something was wrong, and started looking around.
post #6820 of 19637
Quote:
Don't go over 68 in prime95 now and still around 88 with the fpu test and spikes to similar with intel burn

Are you using prime27.9 and not waiting for small ffts or setting it manually? I don't really use prime, but it should be way hotter. Large fft and large fft section of blend is very cool, old version is cooler too
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