Push my 555BE further?

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29 Feb 2008
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So I'm pushing my multiplier to x18 at the moment with a turnout of 3.6ghz.

I've tried going higher (I ideally want to hit a nice round 4ghz) but whenever I get to 3.8ghz, and I use prime95, I quite quickly get bluescreens. Thusly, to be safe, I skipped 3.7ghz in favour of 3.6ghz for the mean time.

Temps seem pretty good though, even at that, so am I right in thinking this could be a voltage problem?

My mobo is an MSI 770-G45 with a whole bunch of options including voltage options for everything I could need.

What would you advise? Also, the voltage options in BIOS have a "safe" reading, if you go over what it deems safe, the figure turns red.

I've read it safe to go a little over, but how much really is safe?

Oh and on the unlocking side of things, my 555BE doesn't seem to want to function when attempting unlocking all 4 cores, or 3 for that matter so I'm going for the best overclock I can get.

Thanks for your time,
Mark.
 
definately need more volts. Personally i would ignore those 'safe readings' but i would still err on the side of caution. provided temps are in check, phenom II,s are good upto 1.55v, but for a 24/7 clock i wouldnt go over 1.5. For 3.8, try 1.45v and then we'll take it from there.
 
So....

increase core volts alone, or...
core volts + southbridge? (I think I saw somewhere that this may help?)
 
Well, I tried 3.8ghz at 1.58v and my fan went mental! I didn''t want to risk it any further to be honest, the temps went oddly much higher than you'd expect from a little overclock.

Unless that's normal for voltage increases? I wouldn't know, this'd be my first attempt.
 
ah, are you still using the stock cooler? If so, ignore me. That thing wont be able to cool the chip when overvolted. Especially by that much :p

And if you're overclocking by just using the multiplier, then ony CPU volts should (touch wood) be required. But first get yourself a half decent cooler. Another thing you should know about phenoms: they love voltage but hate heat. 62.C is the max for these chips
 
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