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How to Overclock Phenom II 955 - Page 3

post #21 of 48
Thread Starter 
Quote:
Originally Posted by eggs2see;13326041 
Leave your voltages on auto.

Your CPU voltage was set WAY too low before.

Yeah, as I increased the voltages things started to work better. The OC still didn't work for me though :[ I think I'll leave the RAM alone and try everything else to start off
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post #22 of 48
do you have hwmonitor? do you have prime95?

first of all, you will probably not hit above 2700 on the nb. seems ddr2 boards dont like above that. just get 2600 stable for now.
second, are you using 2 or 4 sticks of ram ?
third, try to hit 3.8 using the multiplier alone. find out what your chip can do with it alone before you start 'tweaking' it with reference clock overclocking.

so, set your vcore (cpu-voltage) at 1.4v , your cpu multiplier at 19, your refernce clock at 200, your nb or cpu-nb at 13 multi. set everything else at auto.
boot up and run prime95 blend test for about 10 minutes to watch your temps. make sure they stay under 56*c. if you restart or lock-up, go back to bios and bump up your vcore 2 clicks. you are just after a ballpark figure at first.
if your temps are good and you dont restart or freeze up, you can either go up on your cpu multi to 19.5 and see if you can boot or you can run prime95 following the quick n dirty guide to make sure its all kosher for starters.
you can check your ram timings with cpu-z and start lowering the numbers to what patriot claims they run at if they arent already there.

prime95 quick n dirty guide.
http://www.overclock.net/general-processor-discussions/838244-prime95-quick-dirty-guide-custom-settings.html
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post #23 of 48
Thread Starter 
What does the cpu-nb 13 multi mean?

Sent from my LS670 using Tapatalk
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post #24 of 48
This is a clear guide just for you, have a read here
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post #25 of 48
Quote:
Originally Posted by ajmidd12;13325949 
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.

I'm out ATM but I'll put them up when home. I was just using multi with this screen pic put using Feb now.

EDIT: ok here is the screenie of it using multi only.
Capture5.png

With this setup i was using a CPU-NB of 2800@1.3v.

And this is of 4.0Ghz using only 1.368v
Capture4.jpg

Is that good enough for you?
Edited by full_force1986 - 4/29/11 at 10:51pm
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post #26 of 48
Thread Starter 
Thanks for all the help guys!! I used the FSB method and I'm doing okay. I still get a blue screen every once in awhile so I have to mess with the voltages some. I'll be sure to come back if I have anymore issues smile.gif
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post #27 of 48
Don't forget your ram voltages. 1.9V is typical for ddr2-800 speeds, but for 1066, you will need 2.05-2.1v.
post #28 of 48
Quote:
Originally Posted by full_force1986;13326930 
I'm out ATM but I'll put them up when home. I was just using multi with this screen pic put using Feb now.

EDIT: ok here is the screenie of it using multi only.
Capture5.png

With this setup i was using a CPU-NB of 2800@1.3v.

And this is of 4.0Ghz using only 1.368v
Capture4.jpg

Is that good enough for you?
Nice! I'm beginning to think my mobo is holding me back... good thing I've got a ASUS Crosshair IV in sights soon biggrin.gif

What were your settings using the Multi only? If you don't mind me asking.
post #29 of 48
Quote:
Originally Posted by MClouse;13327011 
Thanks for all the help guys!! I used the FSB method and I'm doing okay. I still get a blue screen every once in awhile so I have to mess with the voltages some. I'll be sure to come back if I have anymore issues smile.gif

doubtful a blue screen is voltages, at least cpu vcore. blue screens are usually cpu-nb or ram.
too little voltage on one or both. could also be your ram is overclocked too high. could also be ram timings too tight.
this is why i suggested using only your multipliers to find your highest speed safest voltage cpu and cpu-nb overclocks
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post #30 of 48
Thread Starter 
So I ran the test and I'm getting far. I'm REALLY unfortable with my CPU temperature though. All the cores are at 65 Celsius while running the test. Is that too hot? How do I lower the temps?

its been awhile since I reapplied thermal paste. Should I try that?

I got to test 11 and my computer shut off but no blue screen. What does that mean?
Edited by MClouse - 4/30/11 at 8:07am
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