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i7 3820 - 4820 Overclock Club - Page 191

post #1901 of 6491
Quote:
Originally Posted by roberta507 View Post

What PSU do you use?
Stick with 16 gigs in 4 slots, less slots less problems 4x4=16 better O/C results
My system never uses more than 3 gigs of memory at one time that I can see
You can get more later
Asus has 3 Utube videos specifically for P7X79 motherboard overclocking
Just so you can see what is what and where....take notes it helps you remember cause its gets pretty deep
In the end I used the software and manual mode...... XMP profile held me back 4.3 I think that was it
Now 4.6 all day, 4.75 if i need it, 5.0 for benching
Good Luck

I need 32-64 gb for vmware and osx vitrualizations
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post #1902 of 6491
Quote:
Originally Posted by Rmerwede View Post

You WILL blow something up lol!
Lets try this for 4625 Mhz:
- Set BCLK strap ratio to 1.25. Let BCLK auto populate, or leave at 100.
- Set CPU Ratio to AUTO
- Set Turbo Ratio to 37. Enable for all cores.
- Turn off any power savings features like SpeedStep and C1E and such.
- Set CPU Vcore to 1.4v
- Set PLL voltage to 1.9v
- Set Vcc voltage to 1.2v
- Set Vtt voltage to 1.2v
- Set RAM voltage to 1.525v if your RAM is 1.5v, or 1.675v if it is 1.65v.
- Locate Load Line Calibration, and turn it up to the highest setting.
These settings should get you to boot at that frequency. The voltages are a bit high, but nothing that will damage your system in the short term. You WILL want to lower these voltages as much as stability allows. Your Vcc voltage should always be within .5v or your RAM voltage (i.e. RAM = 1.5v then Vcc should = at least 1.0v). Try these and let us know how it goes. For further posts, feel free to build a signature rig, so we know what hardware you have. Also, post some more BIOS shots with the new settings.
Good Luck!


I bsod at these settings, I went turned turbo off, set CPU RATIO to 36 = 4500mhz. vCore to 1.41, Under load VCore is 1.45-1.464. Seems stable in prime95.
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post #1903 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

That voltage will NOT KILL your CPU ! How long do you plan to keep your 3820 ? I saw a guide around here somewhere about that topic. But I know this voltage can http://valid.canardpc.com/show_oc.php?id=2569605 biggrin.gif

Thanks man. I plan to use it at least 1 year and perhaps 2 years if I don't sell it and buy a new one. Would it last 2 years realistically?
post #1904 of 6491
Quote:
Originally Posted by zerokool_3211 View Post

ok finally have a 4.625 that is stable for 12 hours of prime.....good enough for me...rofl
but i was able to drop the vcore a bit by giving more vtt and vccsa....i think i can live with the temps too

btw 21C ambient temps


Same speed... ambient temps, I would kill for your idle temps...
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post #1905 of 6491
Quote:
Originally Posted by theJaybo View Post

Same speed... ambient temps, I would kill for your idle temps...

are you on an h100 too? i really wish i could go back to a push pull in my 600T
post #1906 of 6491
Quote:
Originally Posted by zerokool_3211 View Post

are you on an h100 too? i really wish i could go back to a push pull in my 600T

H80 with + 3 120mm intake fans, bottom mounted psu.



Another update. Ive achieved 4.75ghz @ 1.48v, benchmarks great. My highest bench scores on this machine!

When I stress test though, it turns off. I mean POWERS DOWN. Doesn't Crash. Corsair HX750 Psu, 7 Hds, HD7850, 5x120mm fans, 4x 80mm, trimonitor. Also, 8 DIMMS of ram.

Ideas ? Almost certain its my psu.
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post #1907 of 6491
Thread Starter 
Quote:
Originally Posted by X79Extreme7UK View Post

Those temps are very good but isnt your 5016Mhz clock close to that Vcore ?
Nice PineApple btw smile.gif
Nup I need in the bios 1.49vcore @ 5016 to be p95 stable biggrin.gif 4.8Ghz needs 1.4vcore in bios to be p95 stable thumb.gif Glad you like my pineapple tongue.gif

Quote:
Originally Posted by diamondmines View Post

Thanks man. I plan to use it at least 1 year and perhaps 2 years if I don't sell it and buy a new one. Would it last 2 years realistically?
5 years + is a good guesstimate So don't be afraid to voltup if you have to wink.gif

Quote:
Originally Posted by theJaybo View Post

H80 with + 3 120mm intake fans, bottom mounted psu.
Another update. Ive achieved 4.75ghz @ 1.48v, benchmarks great. My highest bench scores on this machine!
When I stress test though, it turns off. I mean POWERS DOWN. Doesn't Crash. Corsair HX750 Psu, 7 Hds, HD7850, 5x120mm fans, 4x 80mm, trimonitor. Also, 8 DIMMS of ram.
Ideas ? Almost certain its my psu.
I think I suggested that to you already........ and do you like my Pineapple laughingsmiley.gif
Edited by HOMECINEMA-PC - 12/30/12 at 6:57pm
post #1908 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

Nup I need in the bios 1.49vcore @ 5016 to be p95 stable biggrin.gif 4.8Ghz needs 1.4vcore in bios to be p95 stable thumb.gif Glad you like my pineapple tongue.gif
5 years + is a good guesstimate So don't be afraid to voltup if you have to wink.gif
I think I suggested that to you already........ and rep+ me if you like my Pineapple laughingsmiley.gif

LOL just noticed the pineapple.. You should over clock that thing.

Also, where did you say psu ?? ;P
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post #1909 of 6491
Thread Starter 
Quote:
Originally Posted by theJaybo View Post

LOL just noticed the pineapple.. You should over clock that thing.
Also, where did you say psu ?? ;P

Post # 1865 . Im glad you like my Pineapple smile.gif . 2Ghz o/clock would be sensational lachen.gif
post #1910 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

Im glad you sorted some of your temp issues tongue.gif the h80 will suck anything in...smile.gif Umm maybe a bigger psu upgrade maybe thinking.gif


that was a pretty vague conformation of my psu issues tongue.gif
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intel 330 180gb ocz agility 3 corsair h80 Win7 x64 
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