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1100T / Crosshair IV Formula - Need OC advice / knowledge - Page 2

post #11 of 16
I don't think memory controller (inside CPU) raise RAM temp. It can only raise CPU overall temps. You are usually good up to 1.55v cpu voltage and 55c core temps. So you can aim for 4.2 with a bit more cpu voltage.
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Intel Evilnow
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post #12 of 16
Thread Starter 
Okay, I'll have to increase voltage. System crashed with 4ghz @1.45 after about an hour on priming (though I was also doing various stuff next to that, it crashed on me when I tried to load a video on youtube)

About the temps: CoreTemp seems to give BS values. It says 24° idle, but first of all my room temperature is 25°, and second of all my water temp is 33°. Definately not possible. HW monitor shows the same. Is there a way to get the real temps?
post #13 of 16
How is the overclock coming along? Where do you currently stand?
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post #14 of 16
Quote:
Originally Posted by hoodiOC View Post

Okay, I'll have to increase voltage. System crashed with 4ghz @1.45 after about an hour on priming (though I was also doing various stuff next to that, it crashed on me when I tried to load a video on youtube)

About the temps: CoreTemp seems to give BS values. It says 24° idle, but first of all my room temperature is 25°, and second of all my water temp is 33°. Definately not possible. HW monitor shows the same. Is there a way to get the real temps?

Don't pay attention to idle temps. There's no real sensor in the cpu, the temp reader is programmed to become accurate after 45c and up. I knew 1.45v was a fluke, an unstable cpu will become apparent with various stuff like watching videos on youtube.
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Intel Evilnow
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post #15 of 16
Sorry bro I have been down sick for a while. 1 hour of prime is pretty good for an initial stability check. I usually do an hour to verify basic stability before moving onto the more hardcore 10-12 hour stuff. But if you are 1 hour Prime 95 stable at 1.45 it will probably only take you about 1.475 to get it properly stable. If you have good enough cooling like I said in my first post AMD's can handle vcore of 1.55v. More if you have more extreme cooling. Like Catscratch said above idle temps are not overly accurate. My FX idles at 14C at 4.8GHz on a hot 30C+ summer's day here in South Africa?!?! We all know laws of physics say that under air or water a CPU idle temp cant get lower than ambient. That's just another example of how unaccurate AMD sensors get at idle.

What LLC does is it helps adjust your processor voltage when under heavy load. What normally tends to happen is the higher the load on the processor the lower the voltage gets because it tends to drop under load. You normally want your LLC set to around 50-75%. That will normally keep it at the voltage you set in the BIOS. 100% LLC is too much. It is very likely that it will cause a boost in your voltage. So I would say drop that down to maybe 50-75%
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post #16 of 16
Thread Starter 
Hey guys,

Thanks for your interest. I just wanna say that I have to adjourn this all for some time. I'm getting some new upgrades on my pc, amongst others a bit better case cooling as my rams and all are not cooled at all right now. When I have set it all up again I will get back to OCing. Will definately get back to this thread soon!
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