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Importance of Motherboards when Overclocking?

post #1 of 9
Thread Starter 
Hey all,

I've been running on 3.2Ghz now for ages and whenever I decide to push it a bit further, I fail.

I see people with the same CPU as me hitting up to 3.6Ghz with a slight VCORE increase. I have to push to 1.45v to get mine to boot Windows at 3.6Ghz.

I also need to set my VCORE to 1.4v just to run stable at 3.2Ghz. Something isn't right in this mix.

I'm not sure if its my CPU, RAM or Motherboard crapping out on me. I've noticed that most people who have had great overclocks with an E6*** CPU have a better mobo than me. My P31 chipset I believe is pants.

Why do I have to run such high voltages to achieve so little? Should I upgrade to a P35 chipset?
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Jaguar
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post #2 of 9
Mmm maybe you PSU is dying, and not all cpus are the same. I had a Presscot p4 2.4ghz, that needed more voltage to get 3.2, and others reached the same speed whit stock voltages.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by CesarWilkins View Post
Mmm maybe you PSU is dying
I've had the same issue with my previous PSU and now with my new Antec one.
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post #4 of 9
Well, if it is your PSU, then you just need to replace it, done deal. But the earthwatts is a good unit, so that may not be it.

If it isn't the PSU failing to provide good power, then it's either RAM, northbridge/ FSB/MCH, or processor related in all probability. Only the second would be solved y a better motherboard. 3.2 is 400 FSB x 8, I assume, meaning that you need to hit 450 FSB x 8 to get 3.6 Ghz. That's a lot of FSB on a P31.

Try loosening your RAM timings and dropping your multiplier, then run at the FSB you want. If you're still unstable, it's definitely the motherboard chipset. If it's stable, looks like your problem is elsewhere.
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post #5 of 9
I wouldn't really upgrade a mobo just to raise the overclock, 3.2 is far over stock speeds. Game wise, everything is GPU bound, and dual core 3.2 is more than enough for desktop apps.

Still, try raising northbridge voltage (MCH), that might fix your problem. Yep, it's probably your mobo, or you might just have a low quality processor (some processors just aren't good overclockers.)

I'd be happy with what you've got.
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post #6 of 9
Seems like youre pushing your power supply too far... two HDDs, plus your overclock..

I am in need of a slightly bigger PSU as well, with my OC (around 600W)....
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post #7 of 9
Thread Starter 
I could swear that 500W is enough, but then again, maybe not.

I have:

2 x HDDs
1 x Optical
1 x X1950Pro (Overclocked w/ Zalman)
1 x SB Audigy2
2 x 120mm fans

Hmm I guess it adds up. But why would an underpowered PSU make me use high voltages for small overclocks? Does a lack of PSU power cause the system to freeze or reboot?
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Jaguar
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post #8 of 9
Quote:
Originally Posted by Rev1 View Post
Seems like youre pushing your power supply too far... two HDDs, plus your overclock..

I am in need of a slightly bigger PSU as well, with my OC (around 600W)....
500w is more than enough for his system.

I agree with others in this thread - you're probably trying to take either your RAM or your northbridge too far, but realistically speaking, there's nothing wrong with 3.2GHz.
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post #9 of 9
its gotta be a PSU issue i am suffering from the same thing and i have hardly any periferals my vcore is up to 1.475 in bios for a 3.2ghz OC yet it will post up to 3.7ghz ...but cant get stable with freezing temps the rest of my system is top notch except my psu which i bought from amazon for about $40


new one will be ordered this wk/end
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