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Max OC on Phenom II X4 965 with Hyper 212

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August 5, 2013 5:42:48 PM

Today, installed a Hyper 212 onto my Phenom. I overclocked to 3.8 Ghz to test stability, then to 4.0, and then to 4.1 Ghz. I'm currently running at 4.0 Ghz, 1.5 volts. Does anyone know the highest frequency I could attain on a 965 with a Hyper 212?
a c 78 K Overclocking
August 5, 2013 6:46:57 PM

There's no easy answer to that. Each CPU is binned differently. You are at about the highest I ever got with mine. Actually, higher. Mine wasn't stable at 4.1GHZ if stressed. But I think 5K volts is a bit high ;-)
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August 5, 2013 7:09:19 PM

clutchc said:
There's no easy answer to that. Each CPU is binned differently. You are at about the highest I ever got with mine. Actually, higher. Mine wasn't stable at 4.1GHZ if stressed. But I think 5K volts is a bit high ;-)

I wasn't sure what voltage to give it, because it wasn't stable at 1.45, so I just went two steps up. Now I'm having this strange issue while running NFS Hot Pursuit where the sound and video glitches for a few seconds basically every 10-15 seconds. I don't know if it'll happen on any other games because that's all I've tried today.
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August 5, 2013 7:24:43 PM

I've tested Minecraft now as well, and it looks like I'm getting that same thing. My FPS will drop from 100+ down to 15-20 FPS for no particular reason. My CPU isn't redlining when this is happening. Could this be instability?
Update: I just got a blue screen after a few hours of gaming. I guess I'm not 100% stable yet. I lowered the voltage down 500 volts. I'd appreciate some input on this.
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a b K Overclocking
August 6, 2013 5:43:56 AM

What motherboard are you using? It sounds like either VRM or CPU throttling down due to heat.
Download HWmonitor and check your temps.
If the CPU core temps aren't going over 55c;It will be VRM throttling.
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August 6, 2013 3:20:50 PM

schmuckley said:
What motherboard are you using? It sounds like either VRM or CPU throttling down due to heat.
Download HWmonitor and check your temps.
If the CPU core temps aren't going over 55c;It will be VRM throttling.

I have this motherboard: http://www.asrock.com/mb/NVIDIA/N68C-GS%20FX/ . I don't believe that over heating is the issue. I tried a few different settings and got different results each time. I went back to 3.8 and 1.4250 volts and got 100% stability. Today, I tried 4.0 @1.4250 volts and got a quick blue screen. The most recent settings I've tried (and are currently running on) are 4.0 @1.45 with the NB frequency upped to 2000 Mhz. So far I've had no blatant instability issues. I tried NFS Hot Pursuit again and got no strange problems like I did before.
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a c 78 K Overclocking
August 6, 2013 5:06:37 PM

You do realize that AMD only rates their max voltage at 1.4V, correct?
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a b K Overclocking
August 6, 2013 5:19:24 PM

I'm really trying to figure out where the OP is getting these voltage readings from.

The highest I could get my 955 with my hyper 212+ was up to 4.0Ghz and that was hitting the max temperature I'd let the cores get to (55C). Now with my water cooling I can hit 4.4Ghz stable but I don't run that on a daily basis.
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August 6, 2013 5:33:29 PM

clutchc said:
You do realize that AMD only rates their max voltage at 1.4V, correct?

I apologize for my stupidity. I don't know why I kept mistyping the actual voltages.

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a c 78 K Overclocking
August 6, 2013 5:37:58 PM

I figured that was what it was ;) 
But I had to ask to be sure. Especially since you were typing voltage in the thousands.
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August 6, 2013 5:43:55 PM

Well, it appears that I'm stable at 3.9Ghz. I'll stick with that since I doubt .1 will make a huge difference in performance.
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a b K Overclocking
August 7, 2013 11:07:11 AM

good call :) 
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