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2600k OC Passes small FTT test but fails blend

post #1 of 8
Thread Starter 
I did a 4.5 Ghz OC on my 2600k with a voltage of 1.30V in Bios, I pass Prime95's Small FTT test, 10hours , but i fail the blend test within in minutes. Please tell me what's wrong. I think its my RAM but i haven't Overclocked it , i set it to Unlink in the BIOS.

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post #2 of 8
Increase vcore just a little, maybe try around 1.32v and see if that fixes it. If it doesn't, up the VCCIO voltage +0.05v from what it's set at.
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post #3 of 8
Thread Starter 
Alright
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post #4 of 8
If blend is failing quickly after it starts it needs more vcore. Blend gradually increases FFT size so it if it fails on a small numbered FFT it's more then likely the CPU. If it fails on a larger number FFT then it's more then likely ram. Low vdimm, qpi/vtt and vcore could all be culprits at this point. I'm sure you'll probably need at least 1.35v to get stable.
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post #5 of 8
Thread Starter 
is 1.35V good or badd for my overclock ? i see people getting 1.25V at my speeds.
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post #6 of 8
it might be vdroop is your llc on ultra? what is vcore when cores are loaded?
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by ITaoI View Post
it might be vdroop is your llc on ultra? what is vcore when cores are loaded?
my VDroop is on low, and i didnt change anything but the vcore so i guess LLC is on default, i dont know what it is. Let me check.

EDIT : My vcore on load is 1.296, - 1.288

EDIT Again...: I have no idea where to find LLC in my Bios.
Edited by mhjl007 - 8/1/11 at 12:14pm
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Mine D:<
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600k @ 4.5 GHz 1.3V Msi P67A-GD65 PNY GTX 560 Ti Patriot G2 Series 2x4GB 1600 
Hard DriveCoolingCoolingOS
Seagate 7200.12 500GB XSPC Raystorm Black Ice GT360 Windows Vista Business x64 
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post #8 of 8
Thread Starter 
i just ran LinX 20 times , and it didn't fail...
Mine D:<
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CPUMotherboardGraphicsRAM
Core i7 2600k @ 4.5 GHz 1.3V Msi P67A-GD65 PNY GTX 560 Ti Patriot G2 Series 2x4GB 1600 
Hard DriveCoolingCoolingOS
Seagate 7200.12 500GB XSPC Raystorm Black Ice GT360 Windows Vista Business x64 
PowerCase
Corsair HX650w Haf X ! 
  hide details  
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Mine D:<
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600k @ 4.5 GHz 1.3V Msi P67A-GD65 PNY GTX 560 Ti Patriot G2 Series 2x4GB 1600 
Hard DriveCoolingCoolingOS
Seagate 7200.12 500GB XSPC Raystorm Black Ice GT360 Windows Vista Business x64 
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