EASY I7 920 Overclocking @4.0GHz stable

Posted on May 6, 2011 by

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The Ultimate CPU Overclocking Guide!
First time overclocking my Core I7 920 DO C STATE TECH Its a technology by intel which allows the OS to independently lower the frequency of the cores when the need be thus saving power. If its disabled then both the cores will run at a fixed frequency. Enabling it will allow the OS to make the cores run at different frequencies thus making optimum use of power. C1E SUPPORT reduces your multiplier and voltage to your CPU when its performing routine tasks that dont require much. C state tech and C1E support are power saving features. Its best to turn these off while overclocking so your volts and frequencies dont change on you. CPU TM FUNCTION TM function is your temperature safety shutdown, if you go higher then the cpu thermal design it will shut down or seriously throttle down automatically When overclocking you will exceed the thermal design so leave TM function off. EXECUTE DISABLE BIT Execute Disable Bit is a system feature that, if present and enabled, allows the notebooks processor to distinguish between bits of code that should be executed and the ones that cannot be, as they pose a threat to the system. Your choice to turn Execute disable Bit on or off LOAD LINE CALIBRATION If youve disabled C1E and SpeedStep, then turn on Load Line Calibration. Otherwise, leave it at autodisabled. This feature helps with VDroop. SPEEDSTEP that allow the clock speed of the processor to be dynamically changed by software. This allows the processor to meet the instantaneous <b>…<b>

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23 Responses to EASY I7 920 Overclocking @4.0GHz stable

  1. raginube says:
    May 6, 2011 at 2:03 pm

    Will these instructions work with a I7-950 on a Sabertooth x-58? I only have a Corsair TX850 watt, and am running 2 hd 6850s crossfire,plus other components,should I upgrade my psu?

    Reply
  2. NAOCIA007 says:
    May 6, 2011 at 3:11 pm

    i have the same motherboard and my temps are around 69c 70c 100% load and after 3 hours of prime95 i get a blue screen, sometimes even when i play games or watch videos on youtube i just copied everything from your vid :P

    Reply
  3. WARFOX101 says:
    May 6, 2011 at 4:19 pm

    @WARFOX101 iF YOU START GETTING MID TO HIGH 70′S TO LOW 80′S I WOULD GET A BETTER COOLER. HOWEVER IF YOU ARE IN THE 60′S TO LOW 70′S AROUD OR ABOVE 4.0ghZ YOU SHOULD BE FINE… OOPS SORRY CAPS. :)

    Reply
  4. 4PsychoNitro says:
    May 6, 2011 at 5:27 pm

    @WARFOX101 Oh cool, thanks. I think I might just have the DO (Revision: DO?)… Right now with my Asetek Liquid CPU cooler (Idk name) I get an avg core temp of 34C and at 100% (for 8 mins) > 68C. Do you think I should upgrade to a Corsair H70 to OC @3.4GHz~4.0GHz?

    Reply
  5. WARFOX101 says:
    May 6, 2011 at 6:35 pm

    @4PsychoNitro There is CO and DO, DO is a revised /better design of the chip. The CO chips use more volts to reach the same core clock as the DO. In return a DO will overclock a lot better and run cooler than a CO. In this video i have a average DO stepping 920. some batches are better than others

    Reply
  6. 4PsychoNitro says:
    May 6, 2011 at 7:43 pm

    Sorry for being a nub, but what is DO/D0?

    Reply
  7. supercoder7 says:
    May 6, 2011 at 8:51 pm

    The 20x Multiplier is an unstable multiplier.Multipliers like 19x and 21x are the most stable ones.IF you are not getting a stable overclock with the above settings.Try BCLK – 193 and Multi – 21.
    Once stable slowly reduce the vcore and find the lowest stable voltage and keep it at that.Also You can run a regular overclock at max 1.3625V do not go above that.
    Also if facing unstability reduce the memory multiplier to 6x which is also very stable.And also reduce the QPI/uncore voltage along vcore

    Reply
  8. WARFOX101 says:
    May 6, 2011 at 9:59 pm

    @ut2k4wikichici I agree. However at the time of this video i had my 5870,s blowing hot air into my back rad and did not realize it lol. also running 4.0GHz with high volts and with Hyperthreading on. I have a different set up now thanks for your comment.

    Reply
  9. WARFOX101 says:
    May 6, 2011 at 11:07 pm

    @ArcticBStv LOL yea… However i have a different setup with new fans , rads etc. running 4.2GHz cores in high 50′s low 60′s with HT on. With HT off low 50′s.

    Reply
  10. WARFOX101 says:
    May 7, 2011 at 12:15 am

    @Rocism01 Hi Rocism01, You need to go into your Bios and disable C State Tech and C1E Support. C state tech and C1E support are power saving features. Its best to turn these off while overclocking so your volts and frequencies don’t change on you. Read the video description. I go over all the stuff you need to turn off and the reasons why. I hope this helps, if you need any help please ask cheers.

    Reply
  11. Rocism01 says:
    May 7, 2011 at 1:23 am

    I have a question…

    I have a i7 920 D0 steeping myself… I have a 4.2 Overclock when at Full Load under Prime 95 or Everest CPU stress test…

    BUT… when i turn off prime 95 and the Everest Stress test the CPU than goes back down to 2.4 ghz… it’s like the cpu only overclocks itself when the speed is needed…

    but i was wondering if i can get my cpu to run at 4.2…24/7 without the speed going down when i am not using a Full Load…???

    i hope that you understand what i’m trying to say.?

    Reply
  12. ibanezel says:
    May 7, 2011 at 2:31 am

    @WARFOX101 okej thanks well i use prime95 also! im doing some overclocking right now with memory and cpu. thanks alot for awnser! yea i agree i only use prime for like 4-8 hours that dose it! Have not find any game that makes the computer have a harder time as when im doing prime tests!

    Reply
  13. WARFOX101 says:
    May 7, 2011 at 3:39 am

    @ibanezel I use Prime95 and Linx. I run prime 95 for six hours than run Linx for 50 runs. A lot of people run Prime for 24 hours. But IMO there is no need to torture your CPU to death. If you can clear 50 runs with Linx you most likely are 100% stable. I only use prime to test my cpu with small fft and my memory with larg fft.

    Reply
  14. ibanezel says:
    May 7, 2011 at 4:47 am

    @WARFOX101 by the way what test program do you use when you test load? prime? and wich prime? please tell me @WARFOX

    Reply
  15. 1337nec says:
    May 7, 2011 at 5:55 am

    can someone PLEASE make a tutorial on how to overclock the i7 970 to 4 GHz using the Gigabyte EX58-UD5 motherboard??? :S
    can’t find help anywhere :S

    Reply
  16. WARFOX101 says:
    May 7, 2011 at 7:03 am

    @ibanezel Yes it is, At the time of this video i had inadequate water cooling. plus my 5870 was blowing hot air into the rad lol. my system runs vary cool now 4.2GHz full load at 65 to 68 degrees. also there is a big jump in temps from 3.8 to 4.0 and big jump in volts as well. i went from 1.24V @ 3.7 TO 1.33V @ 4.0GHz.

    Reply
  17. ibanezel says:
    May 7, 2011 at 8:11 am

    isn’t that a bit high temp for water cooling? i have mine running at 3.8Ghz a i7 920 ofc and the max temp ive ever have got is 51C

    Reply
  18. WARFOX101 says:
    May 7, 2011 at 9:19 am

    @ixy1987 No so long as you run it at it’s rated speed. If you have ram rated to run at 1600MHz like i do and run it at such than you dont need watercooling. For example i can hit 4.0GHz with my 920 and my ram running at/or around 1400MHz. At 4.2GHz my memory runs at 1603MHz if i push my 920 higher at 4.3 my memory will hit 1632MHz. which is fine because im not pushing it to much over its rated speed. in my video i use a x20 multiplier but its best to use a x21 for the i7920.

    Reply
  19. ixy1987 says:
    May 7, 2011 at 10:27 am

    @WARFOX101 will i need to consider watercooling my ram too ???…

    Reply
  20. WARFOX101 says:
    May 7, 2011 at 11:35 am

    @ixy1987 Only the CPU. However the cpu and memory are linked together with the i7 platform. So when you up the core speed your memory speed increases too.

    Reply
  21. ixy1987 says:
    May 7, 2011 at 12:43 pm

    the overclocking ur doing here is it for jus cpu overclocking……or is th gpu oc and ram oc as well…i am asking this because i only have cpu watercooling ????.

    plz reply !!

    Reply
  22. WARFOX101 says:
    May 7, 2011 at 1:51 pm

    @markolo25 Water cooling

    Reply
  23. markolo25 says:
    May 7, 2011 at 2:59 pm

    What cooling do you have @Warfox101

    Reply

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