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post #18551 of 22515
Quote:
Originally Posted by casper5632 View Post

I've been running into an issue with my 4790k and I hope you guys can provide some help. I hooked my CPU up to an h240x so I could overclock it while keeping the system quiet. I havent been able to do much overclocking because even at stock settings the CPU is hitting 85c on IntelBurnTest with the pump and fans maxed. I have tried reseating the pump and I cant find any evidence of air bubbles in the system.

Can you verify the core voltage going to your chip at stock settings? See if pushing on the pump while running stress drops the temps. Also, try using a cooler stress program to start with like Realbench or x264.
post #18552 of 22515
I'll check the exact voltage when I get home, but it's all stock and I haven't adjusted anything. When I reached 85c the fans and the pump were all at 100%. Normal fan speeds see 90c minimum during testing. Isn't just running an easier stress test kind of cheap when it comes to heat testing a cpu?
post #18553 of 22515
Quote:
Originally Posted by casper5632 View Post

I'll check the exact voltage when I get home, but it's all stock and I haven't adjusted anything. When I reached 85c the fans and the pump were all at 100%. Normal fan speeds see 90c minimum during testing. Isn't just running an easier stress test kind of cheap when it comes to heat testing a cpu?
Using a different test isnt going to hinder tests, it just the "cooler" tests.
I think it is mentioned here or the Haswell thread, when going ahove a certain temp/vcore it is preferred to use x264.
I personally use it, BUT going above 4.8Ghz i cant pass it, so i use XTU, so more twrakjng kn my part is required.
What im sayjng is this, use yhe cooler test yo see if you get lower temps, if jot then it could be the cooler, or its just a high temp chip. A delid might what you want, MIGHT if you are down to do it..
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post #18554 of 22515
Quote:
Originally Posted by casper5632 View Post

I'll check the exact voltage when I get home, but it's all stock and I haven't adjusted anything. When I reached 85c the fans and the pump were all at 100%. Normal fan speeds see 90c minimum during testing. Isn't just running an easier stress test kind of cheap when it comes to heat testing a cpu?

IMO you should use a stress program that duplicates real world applications. I also think you should start with a easier stress test and work your way up to the hotter synthetics, that way you can avoid situations where you accidentally overheat your chip. Just a suggestion.

Mobos sometimes put more voltage than necessary into a chip by default to guarantee stability. I have seen some put as much as 1.330v into a chip at 4.4GHz. That's enough voltage to get 4.7+ in most situations. I don't know if that's the case with yours, its just one of the things you can check.
post #18555 of 22515
Hey guys, so I had the 4770k for about a year and switched over to a 4790k about 2 months ago. The 70k couldn't do 4.5 at 1.3v. After reading this forum it seems with the 90k the allowed voltage that people use is much higher. I'm currently at 4.6-1.265v. What's the safe voltage for these chips? Want to see how far I can push it
post #18556 of 22515
Thread Starter 
Quote:
Originally Posted by casper5632 View Post

I'll check the exact voltage when I get home, but it's all stock and I haven't adjusted anything. When I reached 85c the fans and the pump were all at 100%. Normal fan speeds see 90c minimum during testing. Isn't just running an easier stress test kind of cheap when it comes to heat testing a cpu?

When I had problems with a CLC temps it was either;

Pump not working at 100% (plug it into SYS FAN slot as apposed to CPU FAN since this makes it work 100% speed)

Cooler head not mounted properly

Faulty pump which needed replacing.

Try reseat it first and switch to SYS FAN header on the motherboard.

Edit: I forgot to mention check that core voltage too as others have mentioned. There was a bug on the gigabyte motherboards that put far too much voltage on at stock. If it's anything over say 1.3v that's probably why your seeing high temps.
Edited by $ilent - 10/27/15 at 9:23am
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post #18557 of 22515
Quote:
Originally Posted by kl6mk6 View Post

I do 30 minutes of linpack.
So what im gonna do is drop cache voltage by .01 and test wiyh OCCT for 30 minutes to test uncore.
Do i check "AVX instruction set"?
To finish it off, 4 hours real bench okay to use??

Thanks for uour help amd time helpjng all of us!!
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post #18558 of 22515
I actually remembered that my voltage was set at 1.28 when I was doing the benchmarking. I can try out a SYS FAN header, but using my motherboards fan controlling software my pump was listed at 3000 RPM. Motherboard is a Maximus Hero Vi, which I got because I heard it was a good mobo to overclock on, and it was an asus which I prefer brand wise. I've already attempted to remount the cooler with absolutely no difference in temps. Thermal paste is MX-4, and I am applying it in the vertical line method.

The entire reason I am worried about CPU temps is because I realized my CPU was hitting 72c just playing a game one day. With all the games coming out I don't want to ignore a temp like that.
post #18559 of 22515
Quote:
Originally Posted by v1ral View Post

So what im gonna do is drop cache voltage by .01 and test wiyh OCCT for 30 minutes to test uncore.
Do i check "AVX instruction set"?
To finish it off, 4 hours real bench okay to use??

Thanks for uour help amd time helpjng all of us!!

I'm pretty sure I select 64bit and avx. I can double check when I get home after work. It's up to you how long you feel is necessary to prove your stable. I think 30min of OCCT linpack is enough, others think you should run tests all night. It really depends on what you will be using your PC for. If you will be video editing or 3D rendering, stress for a long time. If you will be gaming, do a shorter stress test and then game for a few hours to see if it's stable.
post #18560 of 22515
Quote:
Originally Posted by kl6mk6 View Post

I'm pretty sure I select 64bit and avx. I can double check when I get home after work. It's up to you how long you feel is necessary to prove your stable. I think 30min of OCCT linpack is enough, others think you should run tests all night. It really depends on what you will be using your PC for. If you will be video editing or 3D rendering, stress for a long time. If you will be gaming, do a shorter stress test and then game for a few hours to see if it's stable.
Alright thanks!
Funny thing is i have no reason to do the things you mentioned *video rendering etc*, does OBS count as any of that?
OBS is the only thing i do really, with SC2 as the main game i play.
But is 4 hours real bench a good test to do?
Cause i was doing long periods of stress testing and thats all ive been doing lately, havent fired up a game for a few weeks.
Im doing all this to tweak my 4.7Ghz overclock, getting cache voltage lower, speaking of this would it be a dmart move to try and get cache ratio higher?

Edit:
When im done, can just enable power savings and change to adaptive voltage and change windows to balance?
Or just enable power savings change to C7S and put windows mode to balance?
With the second settings VID doesnt go down but vcore does*through HWInfo*, or does it even matter?
Edited by v1ral - 10/27/15 at 10:36am
z97 RIG
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z97 RIG
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Apophis
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CPUMotherboardGraphicsRAM
4790k MSI z97 Gaming 7 Gigabyte G1 Gaming GTX 970 G Skill Ares 16gb 
Hard DriveHard DriveCoolingOS
Crucial MX100 256gb Seagate Barracuda 2tb Corsair H70 Windows 7 Pro 64bit 
MonitorKeyboardPowerCase
AOC 24 inch 144hz  Razer Blackwidow chroma EVGA 850 G Silient Corsair Air 540 
MouseMouse PadAudio
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CPUMotherboardGraphicsGraphics
Core i7 920 D0@ 4.2 1.25625 vcore EVGA Classified 760 EVGA GTX 470 SC+ EVGA GTX 470 SC+ 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT 1866 3x2 gbs 1TB Samsung Spinpoint Lite-On DVD drive EK Supreme LTX Water Block 
CoolingCoolingCoolingOS
EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
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