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A quick Q about my ASRock P67 Extreme 4 mobo

post #1 of 15
Thread Starter 
I'm trying to OC my 2500k to 4.5-4.8ghz and I have a few quick questions

What LLC is better for going higher? 1 or 5? Or do people use Auto?
Is it good to turn off all C-State options in Advanced: CPU Config?
Is 1.385v for my Vcore a high voltage for 4.5-4.7ghz?


Currently I've been able to get 4.5GHZ stable but am struggling to go any higher. I just BSOD'd at 4.7GHZ as soon as I started running Prime95. So I'm at 4.6 right now, about to test again.

These are my settings so far:

CPU Ratio Setting: Manual
Max Ratio: 45
Internal PLL Overvoltage: Enabled
Intel Speedstep: Enabled
Turbo Boost Power Limit: Manual
Short Duration Power Limit: 300
Long Duration Power Limit: 300
Additional Turbo Voltage: Auto
Core Current Limit: 250
Host Clock Override (BLCK): 100
Spread Spectrum: Disabled
Power Save Mode: Disabled
CPU Core Voltage: 1.385v
Load Line Calibration: Auto
DRAM Voltage: 1.5v
PCH Voltage: 1.612v
CPU PLL Voltage: 1.709
VTT Voltage: 1.116
VCCSA Voltage 0.925

Everything in "Advanced" is Enabled or Auto
Edited by Heazy - 10/27/11 at 2:18pm
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post #2 of 15
3.85v? I sincerely hope you haven't tried that.. LOL
post #3 of 15
Thread Starter 
Quote:
Originally Posted by Broseidon View Post
3.85v? I sincerely hope you haven't tried that.. LOL
Sorry I meant 1.385
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post #4 of 15
Set c3 and c6 disabled and LLC set to 2 or 3.
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by FREELINE57 View Post
Set c3 and c6 disabled and LLC set to 2 or 3.
Someone else told me to set it to the highest (5)

I'm confused
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post #6 of 15
LLC is stronger at 1 and weaker at 5, level2 was good. (Only on ASROCk boards is it reversed like this)

Try raising the CPU PLL Voltage a bit.
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post #7 of 15
Thread Starter 
Quote:
Originally Posted by Sin0822 View Post
LLC is stronger at 1 and weaker at 5, level2 was good. (Only on ASROCk boards is it reversed like this)

Try raising the CPU PLL Voltage a bit.
What's your opinion on leaving LLC on Auto?

I hesitate to raise CPU PLL because I read everywhere that it should be at 1.7 for 2500k CPUs. Guess I could try it though.
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post #8 of 15
Have you tried level 2 or 3? Also, are you using offset voltage?
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post #9 of 15
ASRock board required 1.85v for certain higher OCes, your ASRock board is an asrock board not a asus or gb board. SB has a safe range from intel of upto 1.9v, so just keep under that. lowering your CPu PLL wont help. My Extreme7 Gen3 required increase, and it was the oddest thing, then i get a bunch of asrock owners telling me that they had to raise it as well.

Don't leave LLC on auto, you want to set it, set it to level2 or level 3, level3 will run cooler, but level2 will require you to set a lower voltage.
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post #10 of 15
Thread Starter 
Quote:
Originally Posted by FREELINE57 View Post
Have you tried level 2 or 3? Also, are you using offset voltage?
I'm not sure what my offset voltage is or if I'm using it correctly.

Currently my LLC is on auto I'm running a Prime95 blend right now to make sure my 4.5GHZ is stable at these settings. Afterwards I'm considering upping the Vcore to 1.4v to achieve 4.6 or 4.7ghz
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