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post #41 of 72
It's just a case of being lucky, every chip is different, i was lucky. Not every chip can hit 5.0Ghz safely.

If your interested mine was Costa Rica batch 3139B057. £200 off ebay smile.gif
Edited by Sonics - 1/10/12 at 10:15am
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post #42 of 72
That is smart good job thumb.gif
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post #43 of 72
Thread Starter 
Found this according to the ASUS rep...
Quick Note regarding Voltage Scaling – Internal binning of both D1 and D2 parts we discovered consistent voltage scaling patterns.
1. For K series parts, the stock voltage supplied will allow for consistent overclocking generally up to a multiplier of 43x. There is potential for the multi to be raised to 44x depending on the load induced. This default voltage range be approx 1.240 to 1.260 under load.
2. Increased range between 44 to 47x multipliers will generally require a voltage range between 1.30 to 1.375V with an LLC recommended setting of high to ultra high.
3. Increasing the range between 48 to 50x multiplier will generally require a voltage range between 1.40 to 1.500 with a LLC recommended setting of ultra high.
4. Increased range between 50 to 52 (52 generally considered peak max multiplier except for rare 54x parts) will generally require a CPU voltage range between 1.515 to 1.535V with LLC at Ultra High and potential fine adjustments to the CPU skew range.

Overall a key item to note is the best voltage to oc scaling range potential for the turbo multiplier is 1.400 to 1.425 vcore. Using this voltage range with an LLC recommendation of ultra high will generally provide the best scaling potential with proper load temperatures*. We have generally found exceeding this voltage will not provide additional scaling or will increase load temperatures to a high level with synthetic load applications ( like Prime, Linx, OCCT ). Should you use more realistic loading testing (our recommendation is a combination of AIDA64 stress test, PC Mark Vantage) then temperatures under will be considerably under the max TDP rating.
Source: http://www.xtremesystems.org/forums/showthread.php?265398-Official-ASUS-P8P67-Series-Overclocking-Guide-and-Information
    
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post #44 of 72
Thread Starter 
Quote:
Originally Posted by Sonics View Post

It's just a case of being lucky, every chip is different, i was lucky. Not every chip can hit 5.0Ghz safely.
If your interested mine was Costa Rica batch 3139B057. £200 off ebay smile.gif

Mine was made in costa rica, don't know batch # though
    
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post #45 of 72
Thread Starter 
Batch #3146A846
    
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post #46 of 72
Thread Starter 
Okay, if two hours of Prime95 1792 FFT size isn't enough, how long do I have to do the test?
    
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post #47 of 72
338


If I cannot pass the following I am not stable:


5 runs of 3dMark 11 maxed
Prime95 w/ avx 90% ram blend for 24 hours
LinX for 25 runs 90% ram
24 hours idle
8 hours of hard core gaming
24/7 folding
Edited by Lord Xeb - 1/10/12 at 8:00pm
 
Gsvlip Dudyrm
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Gsvlip Dudyrm
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Oda'maksv
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post #48 of 72
Just choose the blend option when you open up Prime and try to achieve 12 hours with no errors.
Keith.
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Keith.
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Janet.
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My PC.
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CPUMotherboardGraphicsRAM
Intel Core i7 2600K [5.0GHz@1.45v] Asus Maximus IV Extreme EVGA GTX 680 Classified 16GB Corsair Vengeance Red 1600Mhz 9-9-9-24 
Hard DriveHard DriveHard DriveCooling
60GB Corsair Force Series 3 SSD 160GB Samsung 7200RPM 1TB Samsung 7200RPM Corsair H100 
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Windows 7 Professional 64Bit 27" Acer S273HLAbmii 19" Samsung SyncMaster 943SN Logitech diNovo Edge 
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post #49 of 72
Thread Starter 
How long with 1792 FFT size and 6500MB ram...I end up with only a few MB of ram free....
    
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post #50 of 72
Thread Starter 
Quote:
Originally Posted by Lord Xeb View Post

338
If I cannot pass the following I am not stable:
5 runs of 3dMark 11 maxed
Prime95 w/ avx 90% ram blend for 24 hours
LinX for 25 runs 90% ram
24 hours idle
8 hours of hard core gaming
24/7 folding

Holy **** dude...
    
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