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i7 3820 - 4820 Overclock Club - Page 178

post #1771 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

Yes you have all c-states enabled and sidestep . smile.gif These kick in when idling so when there is load on your cpu will go back to the clock speed it is setup to . in your case that i believe is standard clock or 3.8Ghz . I hope that answers your question thumb.gif That is abig upgrade from 775 to 2011 wink.gif

So cstates and sidestep affects bus speed? I'm seeing different result on my windows7 before to windows8.

Yes indeed, system is now snappier than ever, couldn't be more happier. My upgrades last for 4-5years. ...P4 478 -> q6600 -> i7 3870. Just replacing my gpu from time to time.

biggrin.gif
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post #1772 of 6491
Quote:
Originally Posted by kizwan View Post

^ this & the reason the CPU frequency throttle down to ~1200MHz because CPU is entering LFM mode when idle which is 1200MHz (x12 multiplier) for SB-E processors.
Regarding Bus Speed go down less than 100MHz, I don't know the real reason of it or what cause it. Try disabled "CPU Spread Spectrum" in UEFI BIOS.

This what makes me concern about. Tried disabling all Spectrum I see and same result.
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post #1773 of 6491
Quote:
Originally Posted by X79Extreme7UK View Post

Good board and good chip thumb.gif welcome wave2.gif

Thanks! cheers.gif
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post #1774 of 6491
Quote:
Originally Posted by lagur View Post

This what makes me concern about. Tried disabling all Spectrum I see and same result.

You may still need to disable the C states...also my clock will move a little with overclock too.....check C states though
post #1775 of 6491
Thread Starter 
So how did you go with da o/c ?
post #1776 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

So how did you go with da o/c ?

Here's the 4.3ghz overclock result and by the way I'm using Hyper Evo 212+ with stock thermal paste.



I'm not comfortable with the result as the cpu still reaching 78c in my 4.3ghz temperature -- that's almost 80c.
- Ambient temperature here in tropic region is a bit hotter than your usual.
- It's my first application of HSF using small pea size of thermal paste so I might try re-seat again maybe using cross technique and/or good thermal paste.
- Still using my 5yrs old Lian-Li PC-7 case. Might add another 120mm front fans for better intake covering 2 cdrom slots.

If I had a chance I will replace my case to a bigger one, replace the HSF maybe D14 or H80.

Stock setup is pretty good enough but my cpu and motherboard are just begging for more.

My question maybe:
- What do you think I should do first to improve the temperature?
- Is the SB-E bigger die size matters how much termal paste you will put in?
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post #1777 of 6491
^ I'm an x79 / SB-E noob, so I can't speak about your temps and setup, but I will say this: I have the exact same CPU, and exact same mild overclock (I just set my multiplier to 43, and set the voltage to 1.275 manually, everything else is auto). With the Corsair H100 + stock fans at full power + stock TIM on CPU block, my CPU maxes out at 56C TOPS. It idles at 31C-33C. Corsair's stock thermal pad works quite well, so I think if you go for an H80, you'll be in better shape. It takes the guesswork out of TIM application. My $0.02CDN. smile.gif
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post #1778 of 6491
I prefer air cooling though and I'm a bit hesitant about the liquid / hybrid cooling. If I reconsider H100 is too big to fit in my case then H80 is ok.

I'll try to do something about my current setup first before I replace something. Just hoping...
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post #1779 of 6491
Quote:
Originally Posted by lagur View Post

I prefer air cooling though and I'm a bit hesitant about the liquid / hybrid cooling. If I reconsider H100 is too big to fit in my case then H80 is ok.
I'll try to do something about my current setup first before I replace something. Just hoping...
Good plan, you'll save money like that. smile.gif I can't see pics from work, but I suspect changing your case fans around won't help much. It sounds like you have a TIM problem, or cooler mounting issue. Keep in mind that my ambient room temp is probably around 18C-20C, so it's fairly chilly (but with a space heater). I'm in east coast Canada in winter, so you're going to have a much tougher time keeping temps under control than I will. smile.gif
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post #1780 of 6491
Quote:
Originally Posted by lagur View Post

- What do you think I should do first to improve the temperature?

  • If you don't need HT then turn it off
  • 1.304-1.312v is a little high for 4.3 you could probably achieve stability a little lower by playing with a few other settings.
  • Correctly apply TIM if you haven't already.
  • Buy some better TIM like the NH-T1.
  • I've had the NH -D14 for around 6 months now and it still hasn't grown on me. If i'd found a H100 cheaper than the NH - D14 or Phanteks at the time then I probably would have gone for it. If i had to choose again then I would choose the phanteks as they seem to perform better and is hands down the better looking of the two- http://www.xbitlabs.com/picture/?src=/images/coolers/silverstone-heligon-he01/zchart_table_big.png
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