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Help overclocking i5 2500k needed! - Page 2

post #11 of 12
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So I managed to overclock my i5 to a steady 4.4GHz give or a take a few, at aproximatley 60C and 1.270V. I know I can probably go further, but I don't think that will be necessary for my needs, and I'd like to prolong the life of this CPU.

My question is - I overclocked it and was able to run a blend test in Prime95 for 6 hours without following some of the steps in the video listed in the previous post. For example, I didn't enable 'internal PLL overvoltage. I made the 'short duration and long duration power limits' identical at 230 each instead of at 230 and 200 respectively. I didn't disable 'Spread Spectrum'. What does that feature do anyways? I left my 'CPU core voltage' on auto instead of changing it to offset and specifying an amount. I left 'CPU Load Line Calibration' on auto instead of a specific level.

Do any of those settings matter? I overclocked and it stayed around 4.4GHz throughout the entire Prime95 blend test. Should I do those steps anyways?

Also, does my motherboard automatically disable turbo boost if I overclock? I want it disabled, but want to make sure it is doing it.

Thanks smile.gif
Edited by keezy - 1/30/12 at 7:09pm
post #12 of 12
Quote:
Originally Posted by keezy View Post

So I managed to overclock my i5 to a steady 4.4GHz give or a take a few, at aproximatley 60C and 1.270V. I know I can probably go further, but I don't think that will be necessary for my needs, and I'd like to prolong the life of this CPU.
My question is - I overclocked it and was able to run a blend test in Prime95 for 6 hours without following some of the steps in the video listed in the previous post. For example, I didn't enable 'internal PLL overvoltage. I made the 'short duration and long duration power limits' identical at 230 each instead of at 230 and 200 respectively. I didn't disable 'Spread Spectrum'. What does that feature do anyways? I left my 'CPU core voltage' on auto instead of changing it to offset and specifying an amount. I left 'CPU Load Line Calibration' on auto instead of a specific level.
Do any of those settings matter? I overclocked and it stayed around 4.4GHz throughout the entire Prime95 blend test. Should I do those steps anyways?
Also, does my motherboard automatically disable turbo boost if I overclock? I want it disabled, but want to make sure it is doing it.
Thanks smile.gif

Internal PLL voltage is really only needed when you are doing higher overclocks.

Spread Spectrum should be turned off so that your front side bus (FSB) is an even 100 instead of 99.8. Its more intricate than that but as far as you are concerned it makes your FSB 100.

Leaving your vcore at auto is fine for now but know that because you arent specifically telling it a voltage it can spike low and high. Its not that important for you at 4.4ghz but keep it in mind.

Load Line Calibration limits the amount of vdroop under load. What that means is if you have your vcore set to 1.3 volts under load the voltage will drop depending on the level of LLC you have assigned. Again not that important at 4.4ghz.

Turbo Boost. When you are changing the multiplier in the bios to 44 you are telling the motherboard to go to 4.4ghz when the turbo boost kicks in. You will notice at idle you are likely sitting at arounf 1.6ghz or so until you start up prime and get a 100% load on the CPU.
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Like a Boss
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7-2600k 4.6ghz for 4 years ASRock Extreme4 Gen3 EVGA GTX 980ti FTW 1505mhz Gskill Ripjaw 
Hard DriveCoolingOSMonitor
Crucial SSD Corsair H100 Windows 10 QNIX 2560x1440 110hz 
KeyboardPowerCaseMouse
Razer Blackwidow Ultimate Mechanical Corsair HX 850 Thermaltake Core P3 Snow Edition Logitech G900 
Mouse PadAudio
PC Master Race Bose 3.1 
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