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How to Overclock Phenom II 955 - Page 2

post #11 of 48
Thread Starter 
Quote:
Originally Posted by eggs2see View Post
I'm sorry I have no idea about DDR2, if your ram is rated at 1066mhz I would say don't go above that, most gain will come from tighter timings, but again I don't know what are good DDR2 timings for your ram. You may need to boost ram voltages slightly to get it stable, but you shouldn't have to go up very much at all, if you do then you have a problem.
I will be back in about 15 minutes after I try this out! Thanks for all the input!
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post #12 of 48
Thread Starter 
Wasn't successful I set the RAM to 1066mhz. HT link to 1800 mhz because 2000 didnt work. I had the NB to 1.8ghz because 2.0 didnt work. I had the CPU voltage to 1.0125. the NB was at 1.14 and everything else was on auto. see anything I should change? would I be better off just doing the FSB method?
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post #13 of 48
Quote:
Originally Posted by MClouse View Post
Wasn't successful I set the RAM to 1066mhz. HT link to 1800 mhz because 2000 didnt work. I had the NB to 1.8ghz because 2.0 didnt work. I had the CPU voltage to 1.0125. the NB was at 1.14 and everything else was on auto. see anything I should change? would I be better off just doing the FSB method?
NB should be atleast 2600mhz, but ideally 2800-3000, you need to bump that up. Try and get your system stable with the HT link at 2000 and NB 2800mhz. Increase your NB volts alittle, I think this changes depending on your motherboard (your bios should tell you the default settings).

Probably your best bet will be to go into your bios and right down all your default voltages.

Leave your CPU voltage on auto, by default your CPU should be 1.4v so 1.0 is going to be way too low.
post #14 of 48
Why is your cpu voltage set at 1.0125? Mine is set at 1.44v for 4.2Ghz and stock i think it was 1.35v.
This is what i have mine set at:

CPU - 300x14 @ 1.44v
CPU-NB - 2700 @ 1.27v
HT - 2100 stock voltages.
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post #15 of 48
What CPU speed are you trying to achieve? If you let us know, perhaps we will be able to guide you better.
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post #16 of 48
Quote:
Originally Posted by MClouse View Post
So I've been apart of this community for awhile and I feel rather dumb for having to ask this. I really don't understand how to overclock. I've slowly increased my multiplier but I always blue screen. I've noticed people talking about increasing voltage and increasing RAM settings to keep up with the CPU overclock. Anybody care to give me a detailed explanation of how I should go about overclocking my 955? Thanks so much!

EDIT: Could you also give me a sample of what number I should input in my BIOS?
LITERALLY told yourself what to do.

There are already guides STICKIED in the same section you posted that have what vcore and multi people were using.

http://www.overclock.net/amd-cpus/53...ore-cache.html

http://www.overclock.net/amd-cpus/50...-oc-550-a.html


Additional info found in google
http://www.overclock.net/amd-cpus/10...-friendly.html

http://www.overclock.net/amd-cpus/49...x4-9x5-oc.html

http://blogs.amd.com/play/2009/04/22...ion-processor/




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post #17 of 48
Quote:
Originally Posted by full_force1986 View Post
Why is your cpu voltage set at 1.0125? Mine is set at 1.44v for 4.2Ghz and stock i think it was 1.35v.
This is what i have mine set at:

CPU - 300x14 @ 1.44v
CPU-NB - 2700 @ 1.27v
HT - 2100 stock voltages.
Yeah I don't believe that sorry, you are going to need to post pictures.

I just tried those settings and upping the voltages and I couldn't get it to POST to Windows never mind stabilize.
post #18 of 48
Thread Starter 
Well I blue screened and now I can't get windows to load. I had the work for like a second.. what should I do?

Sent from my LS670 using Tapatalk
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post #19 of 48
Quote:
Originally Posted by MClouse View Post
Well I blue screened and now I can't get windows to load. I had the work for like a second.. what should I do?

Sent from my LS670 using Tapatalk
Leave your voltages on auto.

Your CPU voltage was set WAY too low before.
post #20 of 48
more voltage.
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