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AMD® Phenom™ II Overclocking Thread

Cookeh said:
Most C3 steppings will hit 4GHz on Stock volts.

I know mine did :p

My first move would just be to whack the multi up to 20 and see what happens :p
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Half the stuff you say is crap, and the most C3 steppings hitting 4GHZ on stock volts is more of it.

JamesM said:
Whats default volts, 1.3?
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Depends chip to chip, core temp will tell you the chips CPU VID which is its default voltage.
 
thingemajib said:
Thats some pretty impressive voltages. What cooling is that and is it a proper b55 or an unlocked x2?
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Hi, it's an unlocked x2 555, vid is 1.275V. I'm using a thermalright TRUE with two noctua fans, very quiet under 1000rpm. It's all inside an old xaser 3 case that I've modded with 120mm fans, if you google image search 'vrm r2' my computer is the second image:D
 
Has anyone tried unlocking the Phenom II X2 550BE cores on a Asus M3A79-T Deluxe motherboard with succuss??

I've tried, but it freezes when running Windows Experience Index :(

Or, could this mean that I have an unlucky 550BE cpu? If so, would be worthy to upgrade to a 965BE??

 
Last edited:
After more testing with unlocked Phenom II X2 550BE, it seems apparent that I do have 2 unstable cores :(.
I was aware that unlocking the 550BE is a hit and miss, but it did seem to work but only for a few minates until the PC freezes. Nevermind, its was worth a try though.

Thanks for those who replied. Is there any reason why I should get the 955BE and not the 965BE or higher??

Thanks
 
WildgooseUK said:
After more testing with unlocked Phenom II X550, it seems apparent that I do have 2 unstable cores :(.
I was aware that unlocking the 550BE is a hit and miss, but it did seem to work but only for a few minates until the PC freezes. Nevermind, its was worth a try though.

Thanks for those who replied. Is there any reason why I should get the 955BE and not the 965BE or higher??

Thanks
Click to expand...

only the cost of the higher chips, why spend more for a 3.4Ghz chip when the 955 will easily do 4Ghz for only about a minute spent fiddling in the bios

the 965 is essentially then 955 with a slightly higher Multiplier :p, as the 955 comes with an unlocked multi, you can easily change it in the bios :)
 
Seraph said:
only the cost of the higher chips, why spend more for a 3.4Ghz chip when the 955 will easily do 4Ghz for only about a minute spent fiddling in the bios

the 965 is essentially then 955 with a slightly higher Multiplier :p, as the 955 comes with an unlocked multi, you can easily change it in the bios :)
Click to expand...

Thanks Seraph :D

I brought aAsus M3A79-T Deluxe motherboard secondhand for £55 which I thought was a bargin, considering that these mobo were around £170 new.

Reason for purchase hoping that I be able to unlock my 550BE without upgrading the CPU, now it seems that I have to as the 550BE is showing it's age.
 
My old 945 that I sold for £70 on the bay:
71858013.png


My new 955 that I bought from the river place for £60:
95545Ghz.png


Running it at 4.3 though, temps rocketed up to 65c when running prime.
 
Isn't the safe limit on these 1.5 max? At least that's what I thought they want you to go to...

Cheers though, couldn't believe how lucky I got for £60, if I had watercooling this would sit on 4.5.
 
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