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AMD 955be overclocking with amd overdrive

post #1 of 13
Thread Starter 
I've seen the overclocking guide and have referenced it as well as I can. I wish amd would provide some sort of guide for each value listed in the overdrive program. My issue is that yesterday (im new to this) I went to overclock just a little to see what was going on. Basically it showed in the bottom left that all cores on the 955 where already at 16x which is max, though I've never run the program before. This was odd to me and made no sense. I know there must be something I'm missing. Below that there are the two other values that seem to raise the mhz form mild to rediculous. I didn't mess with them much because I didn't want to hurt anything with my limited knowlege on the subject. I fooled around saved a value going from the stock 3.2mhz to 3.4mhz just to see if it would work. After doing this I went to the stability program inside amd od and started to test and watch the core temps. I saw 48cish and 49cish for temps. I know that 55 is where you want to stop and since I'm on air I didn't want to push it to hard. After that I went with 3.5mhz since it didn't crash at 3.4mhz.

This is where my troubles began, it actually ran the stability test and that was doing well. So i rebooted and as soon as i did this it said I had an issue with my ssd which was weird. After that I went to reboot and bsoded all over the place. After that I had to repair windows, once the repair was done I started windows normaly and the amd overdrive program was gone. Now i suppose it went back to the last know good config which is understandable but damn.

So at the end of the day all i did was nothing, any help or suggestions would be greatly appreciated. Thanks all in advance.
    
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post #2 of 13
You've got an unlocked bio's for a reason, start by uninstalling AMD overdrive.

take a look at these guide's and try using your bio's as it's more stable
http://www.overclock.net/amd-general...ing-guide.html

http://www.overclock.net/amd-motherb...they-mean.html

Take a look at those and ask back if you have question's
post #3 of 13
Thread Starter 
I'll have to take a look at it tomorrow, im stuck at work for the evening
    
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post #4 of 13
Don't use software to OC. I'll admit, it's a good start to get your feelers out there, but it's not the way to go about OCing a 955be.
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post #5 of 13
AOD has its uses. But do learn your BIOS, because even if you fool around in AOD, you'll need to set your stable clocks in BIOS. Print out the pdf in my signature while you are work
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post #6 of 13
Thread Starter 
Yea, I know what you mean. Im coming from a completely rookie standpoint. I know a good deal about computers, just not that much about pushing their limits via overclocking. I bought the 955 coming from a 920 x4 about 3 months ago.

Now I want more obviously lol. I have been reading and it seems that the chip is not all that hard to oc. The questions I have are: it says you need to add voltage to the north bridge if you become unstable and I didn't see any info on how to do that only that you needed to. So as you can see I need some training on this lol.
    
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post #7 of 13
You are off to a good start. The Phenom II 955 is a very overclockable chip, and this is a good place to learn.
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post #8 of 13
Thread Starter 
So guys, I went to 3.4 from 3.2 with no issues. Any higher and It wont play black ops.

The way I went about it was to Just increase the multi, and I actually lowered voltage to right around 1.38v instead of the stock 1.4. It seems to be working fine. Yes this time I went all through bios.

Now my question is, the multi rasies the ram speed as well, correct? because I went to 3.6 and My machine became unstable while playing black ops, It would hang really bad. I'm assuming to raise it that high (I know its now like wow high or anything) that I would need to decrease ram speed.

Any suggestions would be great also is lowering the voltage bad if it works at that voltage and clock speed?
    
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post #9 of 13
Quote:
Originally Posted by yukon View Post
So guys, I went to 3.4 from 3.2 with no issues. Any higher and It wont play black ops.

The way I went about it was to Just increase the multi, and I actually lowered voltage to right around 1.38v instead of the stock 1.4. It seems to be working fine. Yes this time I went all through bios.

Now my question is, the multi rasies the ram speed as well, correct? because I went to 3.6 and My machine became unstable while playing black ops, It would hang really bad. I'm assuming to raise it that high (I know its now like wow high or anything) that I would need to decrease ram speed.

Any suggestions would be great also is lowering the voltage bad if it works at that voltage and clock speed?
Nope.

Everything is based off your HT reference clock, which is by default, 200.

CPU speed = HT Ref x CPU multiplier. Example: 200 x 18 = 3600 MHZ

CPU-NB (memory controller) = HT Ref x CPU-NB multi. Example: 200 x 13 = 2600 MHZ.

RAM Frequency = HT Ref x Ram divider. Example: 200 x 8 = 1600. (so the only thing that changes RAM Frequency is HT ref and Memory Divider).

HT link = HT ref x HT link (you always want this to equal 2000).

PCI Bus needs to be locked at 100, so manually set this.

All of this information is in the pdf in my signature in great detail.

Undervolting is good. As long as it is stable, it will run cooler and use less power. The manufacturer uses higher voltage than necessary to keep all chip specs same, even though all chips are different. They use the worst case scenario as a safety margin.

Edited by damric - 5/20/11 at 10:21am
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post #10 of 13
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So what would make the system hang then the nb voltage?
    
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