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Latest build: i5-3570K - Page 2

post #11 of 17
Thread Starter 
Quote:
Originally Posted by [CyGnus] View Post

What difference did you see at that low pll? Does it help with temps?

Second this request, I'd like to know if I should lower the PLL and whether that makes it run cooler.
post #12 of 17
Lowering the PLL to 1.5v-1.7v can help stabilize high overclocks (+5Ghz)
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TheSadFlute
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post #13 of 17
I do see a slight temp difference.
Stability in my case is not affected either way.

1.55




Auto I believe is 1.8

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post #14 of 17
grunion you need to update that prime 95 to 27.7, nice temp difference. Why does intel say that PLL should be between 1.7 and 1.89v?
post #15 of 17
Quote:
Originally Posted by [CyGnus] View Post

grunion you need to update that prime 95 to 27.7, nice temp difference. Why does intel say that PLL should be between 1.7 and 1.89v?

You update, there's a 27.9 version biggrin.gif

IDK why they say that.
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post #16 of 17
hehehehe got to look in to that
post #17 of 17
Thread Starter 
I decided to back the clock down a tad to 4.3GHz today, just to leave a little breathing room, especially since my front fan is not working... I hope Rosewill sends me a new fan soon under the RMA I opened over a week ago.

Anyway, I ran another torture test today. I don't know if it matters or not, but I disabled the VRM Spread Spectrum in the BIOS, I read somewhere it sometimes causes instability when overclocking. I left the VCore at 1.265V, but for some reason on CPUz the core voltage oscillates between 1.264V and 1.272V.

Despite lowering the clock from 4.4GHz to 4.3GHz, the max temps stayed exactly the same as before, I guess that's more a function of the voltage.

Here are the stats;
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