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Thread: Simple question about C1E and ESIT functions




  1. #1
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    Default Simple question about C1E and ESIT functions

    Will C1E and EIST be in enabled or dissabled when overcloking?? Im running both in dissabled but It seems will be better on enabled, My system is very stable on 3,825 now.
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  2. #2
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    Default Re: Simple question about C1E and ESIT functions

    if your using windows 7 then you wont need c1e enabled,people have different views on whether it should be enabled or not,i think your fine to keep it enabled up to 3.8ghz - 4ghz anything higher then i would disable them
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  3. #3
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    Default Re: Simple question about C1E and ESIT functions

    Yes I am usin win7 x64. Ok about the C1E but what about the ESIT ?? Thnaks
    Asus PZ68-V Pro/Gen3
    CPU INtel i7 2700k (4.5 ghz). Air Cooling
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    SSD OCZ VERTEX 4- 128 gb Win 10 x64
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  4. #4
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    Default Re: Simple question about C1E and ESIT functions

    Quote Originally Posted by ea3ot View Post
    Yes I am usin win7 x64. Ok about the C1E but what about the ESIT ?? Thnaks
    keep it enabled if your overclocks stable,i have eist enabled and use win7 balanced profile in power saving options,i only enable c1e in xp to reduce my idle temps
    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
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
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    Default Re: Simple question about C1E and ESIT functions

    C1E EIST do the same thing, If you touch the voltage of CPU, you loose the Voltage change in idle, that means it doesn't drop multiplier to 6x and voltage to 1.10V.

    Disable them always.

    On my system I get 1.5 watts lower (with a quad probably 3 watts) power consumption when enabled, 2400Mhz 1.10V because I didn't touch the voltage set to [Normal] and kept being able to drop to 1.10V in idle.

    This was much more rewarding on 65nm CPU, but with 45nm E0 stepping there is no point. All you get is multiplier that constantly shifts from 6x 1.10V to 9x 1.3V with 10000 or something like that times per second and that is just usless. and you can even sometimes hear the sound that this produces, on that praticular frequency.

    My cpu also supports S3E, S4E, that saves me another 7 watts !! lowers the cpu voltage to 0.85V, and disables chache and power phases. Anyway. I disable them, safer that way.
    Last edited by yuu; 06-01-2010 at 04:34 AM.

  6. #6
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    Default Re: Simple question about C1E and ESIT functions

    Thanks to both.
    Asus PZ68-V Pro/Gen3
    CPU INtel i7 2700k (4.5 ghz). Air Cooling
    Phanteks tc-14 PE- 3 fans
    SSD OCZ VERTEX 4- 128 gb Win 10 x64
    1x 150 Gb HD Velociraptor
    1x300 GB HD Velociraptor
    1x500 GB W. Digital
    2x4GB Samsung 32nm 2133. 9-10-10-28 1T.VDRAM 1.55 - VCCIO 1.05
    PowerColor HD-7770
    Sound Blaster X-FI Extreme Music
    PSU. 750w Thermaltake
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    https://www.facebook.com/media/set/?...4213100&type=3

  7. #7
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    Default Re: Simple question about C1E and ESIT functions

    Quote Originally Posted by yuu View Post
    C1E EIST do the same thing, If you touch the voltage of CPU, you loose the Voltage change in idle, that means it doesn't drop multiplier to 6x and voltage to 1.10V.

    Disable them always.

    On my system I get 1.5 watts lower (with a quad probably 3 watts) power consumption when enabled, 2400Mhz 1.10V because I didn't touch the voltage set to [Normal] and kept being able to drop to 1.10V in idle.

    This was much more rewarding on 65nm CPU, but with 45nm E0 stepping there is no point. All you get is multiplier that constantly shifts from 6x 1.10V to 9x 1.3V with 10000 or something like that times per second and that is just usless. and you can even sometimes hear the sound that this produces, on that praticular frequency.

    My cpu also supports S3E, S4E, that saves me another 7 watts !! lowers the cpu voltage to 0.85V, and disables chache and power phases. Anyway. I disable them, safer that way.
    I have dissabled both, CE1 and EIST., but now some times when the Os is loading and after the windows logo just when is loading the desk, the system fails and crash and reboot.Any idea?? Never happens before.
    Last edited by ea3ot; 06-02-2010 at 02:31 AM.
    Asus PZ68-V Pro/Gen3
    CPU INtel i7 2700k (4.5 ghz). Air Cooling
    Phanteks tc-14 PE- 3 fans
    SSD OCZ VERTEX 4- 128 gb Win 10 x64
    1x 150 Gb HD Velociraptor
    1x300 GB HD Velociraptor
    1x500 GB W. Digital
    2x4GB Samsung 32nm 2133. 9-10-10-28 1T.VDRAM 1.55 - VCCIO 1.05
    PowerColor HD-7770
    Sound Blaster X-FI Extreme Music
    PSU. 750w Thermaltake
    Dimastech Benchtable
    Samsung LPS 27" S27D850T
    https://www.facebook.com/media/set/?...4213100&type=3

  8. #8
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    Default Re: Simple question about C1E and ESIT functions

    Quote Originally Posted by yuu View Post
    C1E EIST do the same thing, If you touch the voltage of CPU, you loose the Voltage change in idle, that means it doesn't drop multiplier to 6x and voltage to 1.10V.

    Disable them always.

    On my system I get 1.5 watts lower (with a quad probably 3 watts) power consumption when enabled, 2400Mhz 1.10V because I didn't touch the voltage set to [Normal] and kept being able to drop to 1.10V in idle.

    This was much more rewarding on 65nm CPU, but with 45nm E0 stepping there is no point. All you get is multiplier that constantly shifts from 6x 1.10V to 9x 1.3V with 10000 or something like that times per second and that is just usless. and you can even sometimes hear the sound that this produces, on that praticular frequency.

    My cpu also supports S3E, S4E, that saves me another 7 watts !! lowers the cpu voltage to 0.85V, and disables chache and power phases. Anyway. I disable them, safer that way.
    My system running with C1E and Eist enabled (top capture) and both settings disabled (bottom capture):
    Attachment 2576

    Clearly more than 1.5 watts, and several degrees difference in idling temperatures also.
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  9. #9
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    Default Re: Simple question about C1E and ESIT functions

    Yes, and with C1 revision it probably has even bigger impact, but it also depends on the motherboard.

    my numbers are
    CPU / System
    6.049 W / 87.5 W disabled
    5.323 W / 85.0 W enabled
    4.275 W / 80.0 W low states

    Attachment 2577

    I assumed E0 quad would double CPU Idle power, but it was not ment to be.

    But again C1 QX9660 is a different story.

  10. #10
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    Default Re: Simple question about C1E and ESIT functions

    Quote Originally Posted by ea3ot View Post
    I have dissabled both, CE1 and EIST., but now some times when the Os is loading and after the windows logo just when is loading the desk, the system fails and crash and reboot.Any idea?? Never happens before.
    What is the BSOD code (0x00000000)? Likely you need more Vcore or Vtt

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