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Stable at 4.2Ghz, but I Cannot Stay Stable At 4.3Ghz - Page 2

post #11 of 19
Thread Starter 
yeah i raise my vcore up to 1.4 on my cpu, but i keep getting error on prime95 after like 5 minutes.
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post #12 of 19
Thread Starter 
@Kaldari yeah i guess ur chip is better than mine
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post #13 of 19
The OP is probably labeled wrong. I'm guessing the VTT (you have as IMC, which is right) is 1.3 and the PLL (you have as QPI) is 1.8.

8GB of RAM at 2ghz is probably what's limiting you here. Try 1.35 to 1.4v for the VTT to see if you can get 4.3ghz stable with that RAM frequency. Otherwise, try bumping your RAM back down to stock, 1600mhz, and keep the VTT at 1.35v.

During all of this testing, see how 1.84 and 1.88 PLL treats each of the above changes.
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post #14 of 19
Thread Starter 
@Kaldari its 8GB of Ram at 4ghz, and when i raise my bclk to 205 my ram speed is at 1640mhz instead of 1600mhz in my bios.
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post #15 of 19
Max "safe" voltage according to Intel's specs is 1.376v. The question you have to ask yourself is whether or not you really need that high of an overclock; HT on or off. In terms of gaming, there is little improvement going from 4.2 to 4.3. Heck, I doubt there's hardly any performance increase going from 4.0 to 4.2, someone correct me if I am wrong.
Edited by NitrousX - 3/7/11 at 6:07pm
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post #16 of 19
Quote:
Originally Posted by AWESOME_3_SOME View Post
@Kaldari its 8GB of Ram at 4ghz, and when i raise my bclk to 205 my ram speed is at 1640mhz instead of 1600mhz in my bios.
The 8GB at 2ghz was referring to your RAM. 2000mhz is 2ghz. I was saying see if a 1.35-1.4v VTT gets you stable at 4.3ghz on the CPU. If not, play with your base clock or RAM multi to get the RAM back down to around stock, 1600mhz, and set the VTT to 1.35v. Then test again.
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post #17 of 19
Thread Starter 
@Kaldari thanks, bout to try that and see if it works.
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post #18 of 19
We could consider we've got the same chip.. so.. well.... I think you hti a wall, which I know it's normal on my i5 750. Maybe it's time to give up, because it's just not worth the effort.. why don't you just try turning HT on and settle for that 4.2?
post #19 of 19
Thread Starter 
@EduFurtado, i'm going to try that right after i try for 4.3ghz with ht off for this last time.
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