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4 - 4.2Ghz OC Impossible on my CPU..?

post #1 of 8
Thread Starter 
I've been trying for quite some time now with the help of a user from another forum & can't get anything stable over 3.40Ghz (blue screens/desktop freezing/instant reboots etc).. (i7 920) I've recently installed a new 850w XFX PSU, Noctua NH-D14 cooler & some good very good case fans to help with the OC & temps are now fantastic compared to before.. avg around 50c under extreme load.

My settings currently under MB Intelligent Tweaker.. 3.40Ghz

CPU Clock Ratio - 21x
QPI Clock Ratio - x36
QPI Link Speed - 5.83GHz
BCLK Frequency - 162
Extreme Memory Profile - Pofile1
System Memory Multiplier - 8.0
DRAM Timing - Expert
CPU Vcore - 1.26250v (Normal)
QPI/Vtt - 1.175 (1.335v)
IOH Core - 1.100v (Auto)
DRAM Voltage - 1.500v (Auto)
DVID - +0.07500v

Am I flogging a dead horse with this or is there still hope..?

Thanks.
post #2 of 8
I think there's hope..unfortunately I have 0 1366 experience ..
 
Thuban Powah!
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Thuban Powah!
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post #3 of 8
Thread Starter 
OK, thanks..

I'm kinda needing a bit of direction though as I'm a complete novice & just generally fumbling my way through the process.
post #4 of 8
Quote:
Originally Posted by George Carlin View Post

OK, thanks..

I'm kinda needing a bit of direction though as I'm a complete novice & just generally fumbling my way through the process.

You might get more/better advice if you asked this question about your i7 in the Intel CPU section. wink.gif
    
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by Jagged_Steel View Post

You might get more/better advice if you asked this question about your i7 in the Intel CPU section. wink.gif


Yeah, thanks.. now of all the recent stupid things I've done this has got to rank pretty highly..
post #6 of 8
double posting sozo.gif
post #7 of 8
This guide helped me out quite a bit when I started overclocking my i7 930 a couple of years ago. There are tonnes of posts and guides in this forum to help you out. Read everything you find which might be helpful.

You should be able to achieve ~4 GHz without too much hassle with the NH-D14. With a bit of luck you could achieve 4.2, but before attempting it be sure that your chip is rock solid at 4GHz and always check your temps. I would say that the chip shouldn't go above ~85C. Around 75-80C should be fine.

Also... you posted on the AMD forum... Probably just a silly mistake, but if you want better advice you should post on the Intel section, and if I were you I would go to the CP and fill out your computer specs, just so that you don't need to post them any time you ask a question.
Edited by hugo19941994 - 3/27/12 at 7:42am
post #8 of 8
I have 0 1366 experience too, lets try something more.
If I would have been in place of you, firstly I would try to make my memory stable at my desired base clock, lets say you want to overclock at 4.0 ghz and increase base clock to 200 , but first I lower the cpu multiplier near the factory cpu frequency and let the RAM multiplier set what you want to run at. Now I start testing overclocked memory in memtest in windows environment for at least 500% to see if it fails or stable. If memory is stable then I slightly increase cpu multiplier to x17 (3.4ghz) without any increment in vcore. Now I test cpu in prime95 for at least 15minutes, if no bsod then I increase cpu multiplier to x18 and so on. If it crashes then I increase vcore a bit. If it again crashes then I increase more vcore voltage....and during memory testing if system crashes then I increase dram voltage to one step. I experienced with my AMD PC that if system is crashing even with massive amount of vcore voltage (like 1.5v - 1.55v ), then it is always memory which is creating instability. I recommend always try to make you RAM stable with lower cpu multiplier at increased base clock. You also might need to increase IMC voltage before testing your RAM.
Haswell i3
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Haswell i3
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