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Thread: Corsair H60 with Intel i7 2600k @4.4Ghz




  1. #21
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    Quote Originally Posted by profJim View Post
    I would turn off hyper-threading for now and see if your system is stable with 4 physical cores.
    Another option is to set memory speed to 1600MHz and use the memory timings from the 1600MHz SPD column.
    Parsec PM'd me that he is at work today so he probably won't be able to assist for several more hours.
    The failed worker #4 thread barfed on another large FFT, and the clock times for the workers is all over the map.

    With my dual core Prime95 tests, I've found that when cpu vcore is too low, the worker time differences are greater.
    I think that cpu vcore up to ~1.45 is OK as long as you have good cooling.
    My goal would probably be to keep cpu core temps at or below 75o (C) for extended use or testing.

    What is the brand/model of your cpu cooler and cpu fan(s)?
    What is the ambient temperature?

    **edit** Never mind, I just noticed that you're using the Corsair H60 cpu cooler.
    Hi
    yes and its running on a push pull config, pulling air from the outside
    Will try some of the options you recommended and get back to you
    long term i would be a problem though. I Currently have all power saving options disabled btw
    regarding vcore should i change it to fixed instead of ofset mode? how would i work out the total voltage in ofset mode?
    Asrock Z68 Extreme 4 Gen 3 |BIOS:2.30| Intel Core i7 2600K @3.40GHz @4.40GHz |Corsair H60| 8GB (2x4) Corsair Vengeance DDR3|Onboard Intel HD 3000 1GB|OCZ Vertex 4 120GB SSD |Seagate Barracuda 7200.12 1TB HD |650W OCUK modular PSU | Windows 8 64Bit

  2. #22
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    It's best if parsec or Kick advises you on the best settings for cpu vcore.
    Disabling hyper threading is a temporary measure to see if your system has better stability.
    I always stress test my systems at stock settings and after I know that everything is stable, I start to overclock cpu speed and memory speed in separate steps. When you change too many things at one time, you can't know which of the changes caused a problem.

    Your current memory might be fine with your motherboard, it just might be that ASRock didn't test it with your motherboard.
    I like to use the "memory finder" on a manufacturer's web site to see which memory kits they recommend for my motherboard. Some memory brands have a more comprehensive and detailed list of memory kits that they have tested with different brands and models of motherboards.
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  3. #23
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    you should up the cpu multi to 45x with 1.344v,you should be able to achieve that clock,plus enable all the power saving states,i do and it doesnt affect stability,you need to learn to overclock using cpu offset and the different llc levels rather than an fixed cpu voltage,then the cpu will downclock at idle,

    im using a z68 v pro with a 2600k,i use high llc and +0.015 offset,dram v is 1.55v and vccio or cpu vtt is 1.06v
    Gigabyte z77x UP4-TH F11c Modded Bios
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    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
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  4. #24
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    Quote Originally Posted by profJim View Post
    It's best if parsec or Kick advises you on the best settings for cpu vcore.
    Disabling hyper threading is a temporary measure to see if your system has better stability.
    I always stress test my systems at stock settings and after I know that everything is stable, I start to overclock cpu speed and memory speed in separate steps. When you change too many things at one time, you can't know which of the changes caused a problem.

    Your current memory might be fine with your motherboard, it just might be that ASRock didn't test it with your motherboard.
    I like to use the "memory finder" on a manufacturer's web site to see which memory kits they recommend for my motherboard. Some memory brands have a more comprehensive and detailed list of memory kits that they have tested with different brands and models of motherboards.
    Hi
    okay thanks for the help
    with that in mind i might just clear the cmos and start again working in slow steps until i reach something that's stable
    Asrock Z68 Extreme 4 Gen 3 |BIOS:2.30| Intel Core i7 2600K @3.40GHz @4.40GHz |Corsair H60| 8GB (2x4) Corsair Vengeance DDR3|Onboard Intel HD 3000 1GB|OCZ Vertex 4 120GB SSD |Seagate Barracuda 7200.12 1TB HD |650W OCUK modular PSU | Windows 8 64Bit

  5. #25
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    You're welcome.
    Building a system and building a house are similar, you need a good stable foundation before you get to the "good stuff."

  6. #26
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    Quote Originally Posted by wazza300 View Post
    you should up the cpu multi to 45x with 1.344v,you should be able to achieve that clock,plus enable all the power saving states,i do and it doesnt affect stability,you need to learn to overclock using cpu offset and the different llc levels rather than an fixed cpu voltage,then the cpu will downclock at idle,

    im using a z68 v pro with a 2600k,i use high llc and +0.015 offset,dram v is 1.55v and vccio or cpu vtt is 1.06v
    Hi
    will try this now. how will i work out my original voltage ? do i then just add the ofset voltage to that to get the total?
    currently my TVV, PCH and CPU PLL are set to auto i believe
    Asrock Z68 Extreme 4 Gen 3 |BIOS:2.30| Intel Core i7 2600K @3.40GHz @4.40GHz |Corsair H60| 8GB (2x4) Corsair Vengeance DDR3|Onboard Intel HD 3000 1GB|OCZ Vertex 4 120GB SSD |Seagate Barracuda 7200.12 1TB HD |650W OCUK modular PSU | Windows 8 64Bit

  7. #27
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    tbh i have no idea,offset will apply whatever you set in it +0.015v will be 0.0150v added to your default/stock cpu voltage,then llc will apply some more depending on which llc level you use,the higher llc the more voltage gets added ontop of the offset

    trial and error and starting with tiny amounts +0.005v at a time untill you get stable you can either use a high llc level and a low offset or high offset and low llc

    i would start with high llc and +0.015v offset,you wanna aim for 1.34-1.38 v cpu load voltage,but this will depend on your cpu,try to stay below 1.4v and below 80c ideally 75c

    the other settings should be fine on auto for 4.4-4.5ghz
    Gigabyte z77x UP4-TH F11c Modded Bios
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  8. #28
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    Quote Originally Posted by wazza300 View Post
    tbh i have no idea,offset will apply whatever you set in it +0.015v will be 0.0150v added to your default/stock cpu voltage,then llc will apply some more depending on which llc level you use,the higher llc the more voltage gets added ontop of the offset

    trial and error and starting with tiny amounts +0.005v at a time untill you get stable you can either use a high llc level and a low offset or high offset and low llc

    i would start with high llc and +0.015v offset,you wanna aim for 1.34-1.38 v cpu load voltage,but this will depend on your cpu,try to stay below 1.4v and below 80c ideally 75c

    the other settings should be fine on auto for 4.4-4.5ghz

    sorry my ofset is currently 0.060v would the voltage you stated not be too low? by llc do you mean load line calibration ? just tried the voltage you said with multiplier x45 and the sytem crashed under load
    Asrock Z68 Extreme 4 Gen 3 |BIOS:2.30| Intel Core i7 2600K @3.40GHz @4.40GHz |Corsair H60| 8GB (2x4) Corsair Vengeance DDR3|Onboard Intel HD 3000 1GB|OCZ Vertex 4 120GB SSD |Seagate Barracuda 7200.12 1TB HD |650W OCUK modular PSU | Windows 8 64Bit

  9. #29
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    your boards different to mine so the llc(loadline calibration) levels might be different,you can try one level higher llc and less offset

    or use +0.060 and less llc,any combo will do that gives you 1.34-1.36v under cpu load
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
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  10. #30
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    Default Re: Corsair H60 with Intel i7 2600k @4.4Ghz

    The only thing that I can see that might not be right is the memory compatibility, which is important as Prof Jim said. I use a H60 with my i7-2600K, and your temps seem fine, but what are you using to monitor the CPU/core temps?

    Intel only guarantees the memory speed of the i7-2600K up to 1333, which seems low of course, but that is their spec. That is due to the memory controller (IMC) being part of the CPU now, rather than the chipset. My i7-2600K does not like going above 1866 without carefully setting memory settings, so that may be the limit for your CPU and memory too.

    IMO, the length of time some users say you must run Prime95 with an OC for it to be considered stable, are extreme, since in actual usage, when do you ever run the CPU at 100% for eight hours or more? I think you are doing very well with your OC and memory. Those rounding errors are said to indicate some instability, but if the PC doess not crashing/BSOD, that is a good sign.

    You might consider raising the IMC voltage on the CPU a little bit, but discovering what that setting is called in your BIOS, if it is even there, can be difficult.

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