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Haswell Overclocking Guide [With Statistics] - Page 277

post #2761 of 19539
Leave my CPU @ 4,5 GHz With vcore 1.2v, I think for 4.6 GHz (so 100mhz more) a voltage of 1.28v is not worth it at all. What you guys think? ( with prime 95 28.1 the temps are maximal 89 °C With 1.2v so not very much headroom)
post #2762 of 19539
I believe Jodiuh is refering to a post I posted about the overclocking voiding warranty this is a copy paste of that post.


seriously read this near end http://www.bit-tech.net/news/hardware/2013/06/06/haswell-heat/ SPECIFICALLY SAYS DIRECTLY FROM INTEL Intel, for its part, has refused to comment on the specifics of the manufacturers' claims, stating only that overclocking is not covered by the its warranties and that companies - or individuals - doing so are boosting performance at their own risk

So simply put K model has ability to be overclocked but absolutely voids warranty no ifs ands or Butts so I hope you have learned something here overclock at your own risk and be aware it voids warranty and a Intel employee himself told me they test haswell and can see if voltage / clocks have been tampered with something to do with onboard VRM's and such.

you also got http://www.pcpro.co.uk/news/382267/intel-haswell-hotter-and-slower-than-expected DIRECTLY FROM INTEL Intel sent PC Pro its standard overclocking disclaimer, which warns that the process can lead to "additional heat or other damage" and that "Intel has not tested, and does not warranty, the operation of the processor beyond its specifications".


Jodiuh there is a overclocking warranty you can purchase to cover overclocking on the CPU if you want to but that is extra cash you have to pay for it
http://click.intel.com/tuningplan/ this is the prices http://click.intel.com/tuningplan/purchase-a-plan and only covers 1 replacement of CPU due to overclocking without hassle or further investigation / questions or extra costs further replacements like replacement CPU will be supplied to you at 1/2 initial cost or some figure near there.

I have a friend with the Intel tuning plan that has done 2 replacements 1st one was free and recieved replacement in 1 week with no hassle second one took 1 - 1 1/2 month to recieve replacement and cost him around 1/2 initial price so the Intel tuning plan in my eyes is a joke and just extra cost.
Edited by rickcooperjr - 9/17/13 at 11:01am
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post #2763 of 19539
Quote:
Originally Posted by Mtom View Post

I'm currently at 4.4ghz@ 1,200V with my 4770K rock solid...but....no matter how high is the Vcore it freezes on 4,5ghz. Is it possible, that it runs stable at 4,4 on good voltage, and dies at 4,5?

Settings:
multiplier 44x
turbo off
vcore 1.200
Vrin LLC extreme
Vrin 1.9V

Any thoughts to stabilize it higher? Its not life and death, just wanted to try how high it can go.

Bump your cache voltage up a little bit even if it's at stock. For 4.5 on your chip, I'd try 1.26v core.
Quote:
Originally Posted by Menphisto View Post

Leave my CPU @ 4,5 GHz With vcore 1.2v, I think for 4.6 GHz (so 100mhz more) a voltage of 1.28v is not worth it at all. What you guys think? ( with prime 95 28.1 the temps are maximal 89 °C With 1.2v so not very much headroom)

Sounds like you're pretty much at the thermal limit, if prime95 represents your actual computer usage.
post #2764 of 19539
Soooooooo, what should i do with my coil whine..i only have this in Prime 95 12k,18k not in any other synthetic test or gaming ,sooooo yes should i be worried frown.gif
post #2765 of 19539
I seriously have to say anytime I have heard coil whine I have had that item fail soon after graphics cards / motherboards / and even PSU's so seriously be aware there maybe a failure soon I build custom gaming computers for a living and have had many instances where this is the case and had many customers mention a item doing this and it fails shortly after on them so out of experience I say be warned. I also do alot of hardware testing for many local companies many are commercial and also do hardware testing for companies like AMD / Nvidia / Intel / OCZ / Corsair / and many others so coil whine in experience is a bad warning of something wrong or about to horribly go wrong.


you could also be pushing that hardware way to hard at that specific setting in test try downclocking the CPU a bit and lowwer voltage a bit to eleviate some of the stress and retry it if it is gone you are pushing the hardware to its limits of near failure. When voltage is raised it adds more stress to the VRM's and such the clocks are not the main stresser to hardware it is the voltage because watts divided by voltage = amperage being drawn the more amps drawn the more stress on VRM's also when voltage is raised any it works the VRM's alot harder not including the higher wattage drawn.

when voltage is raised on the VRM's the efficiency of voltage converted by the VRM's is then dropped aka the motherboard VRM's take 12v power and convert it over to the voltage needed for the ram / NB / SB/ CPU / PCI E controller and PCI E power itself and more once the amperage load is increased and voltage raised efficiency of the conversion process drops drastically hince increased heat released from VRM's heat is the lost efficiency so if the VRM's were converting 120watts of 1.1v = 109 amps then you upped it to 1.3v the actuall wattage draw with no exrta load will increase to around 140-150 watts due to efficiency loss it would be 115 amps this is with no extra load added once load is added even more efficiency is lost and more watts / amps drawn hince could easily be pushing the hardware to limit.
Edited by rickcooperjr - 9/17/13 at 11:23am
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M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
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post #2766 of 19539
Test it with stock already ..its the same
post #2767 of 19539
i dont know what to say then you might have a faulty or soon to fail motherboard that is just me saying this out of my own first hand experience with the coil whine stuff over the past 15yrs hands on not to mention customers and friends experiences.
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M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
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3 x 32lcd/led 2560x1600 wolfking timberwolf EVGA supernova 1300w G2  Thermaltake core X9 
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CPUMotherboardGraphicsRAM
Intel I7 5820k 4.6ghz core 4.3ghz CPU cache 1.345v asus sabertooth X99 sold R9 290x's am currently running a R9 280A X... 16gb of ddr4 corsair vengeance LPX 3200mhz 1t 1... 
Hard DriveOptical DriveCoolingOS
M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
MonitorKeyboardPowerCase
3 x 32lcd/led 2560x1600 wolfking timberwolf EVGA supernova 1300w G2  Thermaltake core X9 
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post #2768 of 19539
What is making this Boise this cubic things around the CPU or these cylinder
post #2769 of 19539
not 100% sure would have to hands on check it out I have special machines I use to test for and use to properly diagnose stuff I also have electronic testers and such like Oscilloscopes and so on and multi meters even have professional ability to go into depth on testing PSU's to test nearly every aspect of the voltage output frequency and how clean the voltage is and so on even load test powersupplies to find breaking point and where efficiency / voltage no longer remains clean and so on.


there is a reason the image I use is a mad scientist lol
Edited by rickcooperjr - 9/17/13 at 11:53am
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CPUMotherboardGraphicsRAM
Intel I7 5820k 4.6ghz core 4.3ghz CPU cache 1.345v asus sabertooth X99 sold R9 290x's am currently running a R9 280A X... 16gb of ddr4 corsair vengeance LPX 3200mhz 1t 1... 
Hard DriveOptical DriveCoolingOS
M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
MonitorKeyboardPowerCase
3 x 32lcd/led 2560x1600 wolfking timberwolf EVGA supernova 1300w G2  Thermaltake core X9 
MouseMouse PadOther
steel series wow cataclysm 14button programable  wolfking sniper Intel PRO PT dual port PCIe server NIC 
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My System
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CPUMotherboardGraphicsRAM
Intel I7 5820k 4.6ghz core 4.3ghz CPU cache 1.345v asus sabertooth X99 sold R9 290x's am currently running a R9 280A X... 16gb of ddr4 corsair vengeance LPX 3200mhz 1t 1... 
Hard DriveOptical DriveCoolingOS
M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
MonitorKeyboardPowerCase
3 x 32lcd/led 2560x1600 wolfking timberwolf EVGA supernova 1300w G2  Thermaltake core X9 
MouseMouse PadOther
steel series wow cataclysm 14button programable  wolfking sniper Intel PRO PT dual port PCIe server NIC 
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post #2770 of 19539
Now i test evry possible cap biggrin.gif
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