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i7 3820 - 4820 Overclock Club - Page 18

post #171 of 6506
This thread inspired me to have a play and see what i could do. Turned off SpeedStep and Turbo Boost, Memory using XMP profiles, set the bclk to 125 and left everything else on Auto. ....and it worked. Seems way too easy to me, but did raised a few issues.

Temps, why does CPUID and Asus Sensor give me different readings, and which do i trust?

The Turbo Boost option, if i turn it on the multiplier goes to 37 for ~3.6ghz Is there any difference between using that option, or manually setting a x37 multiplier with Turbo Boost off? What does it do basically?

Need to address the Heat issues before i do anything else, certain the fan settings need a tweak or two in the bios, and then try lowering the CPU voltage as much as i can. Will try and push it further out of curiosity but i am more than happy with 4.5Ghz as a permanent config.

450
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post #172 of 6506
my cputin is locked at 127 as well in hardware monitor. tmpin3 is your actual temp I believe. It also reflects asus as well. Also I didn't even turn off anything. I just went 1.25, xmp profiles for ram and boom. Solid 4.6ghz completely stable.
post #173 of 6506
Interesting, might try switching those options back on and see what happens, just didnt want it changing clock speeds on the fly while testing.

Tried raising the bus speed to 166mhz so i could run the memory up to 2200mhz but i couldn't get it stable running prime95. Even dropping to cpu down to 4ghz and 1.38 volt didnt help so i am not sure if its the memory or CPU holding me back. Memory is rated for 2133mhz at 1.65v so i dont think there is any more headroom there, settled for 133mhz clock with a 2000mhz memory speed.

Noticed another oddity, when using the 166mhz clock speed the QPI link jumps from 5000mhz to 6666mhz. Cant seem to see any options in the bios to control it, anybody else seen that?

Changed all the fan profiles too so its running a good 10c cooler under full load now which is awesome, also down to 1.35v and still stable, slowly lowering it each time to see how low i can get it. Loving this chip thumb.gif
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Seagate Barracuda 7200.12 1Tb - x2 RAID 0 Seagate Barracuda SATA3 2Tb Generic DVD writer Noctua NH-U12F 
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Intel Core i7 3820 Asus SABERTOOTH X79 NVIDIA GeForce GTX 560 Ti Top Direct CU II G.Skill 
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Seagate Barracuda 7200.12 1Tb - x2 RAID 0 Seagate Barracuda SATA3 2Tb Generic DVD writer Noctua NH-U12F 
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post #174 of 6506

SIg Rig

 

e6efe8b1.jpg

 

http://valid.canardpc.com/show_oc.php?id=2290875


Edited by Darkcyde - 3/10/12 at 5:24pm
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post #175 of 6506
Quote:
Originally Posted by Darkcyde View Post

SIg Rig

600x338px-LL-caa0a5e0_e6efe8b1.jpeg

http://valid.canardpc.com/show_oc.php?id=2290875

Very nice.
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post #176 of 6506
Here's my SuperPI 32M run from tonight, time to go cold now!! biggrin.gifthumb.gif

Lsdmeasap - i7-3820 - GA-X79-UD3 (F9) - 5GHz - 2333Mhz Memory (9-12-11-31) - Water cooling @ BIX 240 + Cuplex XT Di

V1VXB.jpg

Validation
http://valid.canardpc.com/show_oc.php?id=2290159
Edited by lsdmeasap - 3/10/12 at 9:36pm
    
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post #177 of 6506
hello my 3820 and my sabertooth x79:thumb:

1.40 cpu Vcore Bios


55a269e0-4b0a-43c6-bef7-5a4aee4e5daf.jpg

8d6c3887-2d3b-4d18-83fe-11bbe59915fd.jpg
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intel postville watercooling full koolance windows 7 64bit dell 27 pouces 2709 
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post #178 of 6506
4.6ghz
718e2483-51ba-49d5-a268-4a511c1ef796.jpg

5ghz
d031d834-d105-47ca-9a5d-b2ddee1c6a3e.jpg
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i7 3820 sabertoothx79 waterblock koolance xfx 5870 ripjawX 
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intel postville watercooling full koolance windows 7 64bit dell 27 pouces 2709 
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logitech g19 coolermaster silent pro gold silverstone tj07 razer tron 
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xbox 360 baets by dree and g35 and logitech z5500 
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my computer
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Hard DriveCoolingOSMonitor
intel postville watercooling full koolance windows 7 64bit dell 27 pouces 2709 
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logitech g19 coolermaster silent pro gold silverstone tj07 razer tron 
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post #179 of 6506
+rep to you all for awesome oc's
post #180 of 6506
Quote:
Originally Posted by stobeur@hotmail.fr View Post

4.6ghz
718e2483-51ba-49d5-a268-4a511c1ef796.jpg
5ghz
d031d834-d105-47ca-9a5d-b2ddee1c6a3e.jpg

Fire up Prime 95 and watch it BSOD tongue.gif

Prime is best for testing SB stability thumb.gif
     
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