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How can I oc my Phenom II 970

post #1 of 19
Thread Starter 
So I want a stable over clock that wont heat up much or bsod, I got a MS 870-G45 and a AMD Phenom II 970 And DDR3 Dual Kings Hyper X-Genesis 1600mhz 1.65v Rated.
So Should I go for the multiplier or the FSB? It also has easy OC switch I tried it out at 20% which is 4.2ghz it runs for about 1hour or more on load I got the stock heat sink on air which is this one.

http://www.overclock.net/attachments...atsink_fan.jpg
post #2 of 19
Do not run that chip @ 4.2GHz for very long on the stock heatsink.

It may hold it for a while, but I wouldnt trust it over ~3.8GHz for 24/7 usage.

I was paranoid having my 1055t @ 3.5GHz on that thing. I had SpeedFan all rigged up to shutdown my PC if the fan dropped below 3k RPM, or if the temp went over 58C for more than 4 seconds.

You can mod that fan to run @ 6500 RPM permanently, but it sounds like a fighter jet all the time. Super annoying.

Settle for a modest overclock until you can afford a good cooling solution.

CM Hyper 212 is cheap and effective. I sold one BNIB here a while back for $25.
Edited by Baskt_Case - 2/13/11 at 2:53am
    
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post #3 of 19
How much voltage did it require for 4.2Ghz stable? As Baskt_Case mentioned, overclocking on the stock heatsink is not a good idea if you're adding voltage whatsoever. My 965 would undervolt and overclock to 3.6Ghz which is where I left it until I upgraded to a Mugen 2. What are your temps?
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post #4 of 19
Thread Starter 
Quote:
Originally Posted by FlawleZ View Post
How much voltage did it require for 4.2Ghz stable? As Baskt_Case mentioned, overclocking on the stock heatsink is not a good idea if you're adding voltage whatsoever. My 965 would undervolt and overclock to 3.6Ghz which is where I left it until I upgraded to a Mugen 2. What are your temps?
It was running from about at 1.5v about 32c idle and 50c load but with the fan really high as the other guy said it sounds really loud.
Edited by ogkush619 - 2/13/11 at 4:33am
post #5 of 19
Quote:
Originally Posted by ogkush619 View Post
It was running from about at 1.5v about 32c idle and 50c load but with the fan really high as the other guy said it sounds really loud.
4.2GHz @ ~1.5v on the stock HSF = Asking For Trouble

In my experience, once you get over ~1.38v on these AMD chips, the heat starts building quickly. And thats your biggest concern.

Turn that thing down and play with the NB and RAM and everything else until you get a cooler. Your chips life depends on ambient temps right now. And if something should happen and all of a sudden it gets really warm in your room/house/whatever, that chip is gonna cook.

If you insist on clocking with the stock HSF though, try this, flip the fan over. Yes, upside down. It works quite well in some instances. At the very least though, keep the side panel off the case or rig up some kind of tube/tunnel for outside air to get directly to the HSF.
Edited by Baskt_Case - 2/13/11 at 4:47am
    
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by Baskt_Case View Post
4.2GHz @ ~1.5v on the stock HSF = Asking For Trouble

In my experience, once you get over ~1.38v on these AMD chips, the heat starts building quickly. And thats your biggest concern.

Turn that thing down and play with the NB and RAM and everything else until you get a cooler. Your chips life depends on ambient temps right now. And if something should happen and all of a sudden it gets really warm in your room/house/whatever, that chip is gonna cook.

If you insist on clocking with the stock HSF though, try this, flip the fan over. Yes, upside down. It works quite well in some instances. At the very least though, keep the side panel off the case or rig up some kind of tube/tunnel for outside air to get directly to the HSF.
I did have some instability issues but that was fixed by downgrading the BIOS since the newest BIOS update is faulty and unstable look at this been running it for hours and very nice temps after I do some benchmarks and stability testing I will try 4.2ghz
The CPU Fan rpm goes up to about 6500 its at 3300 on idle 28C for low temp So I doubt its unsafe O=

http://s996.photobucket.com/albums/a...rent=40ghz.jpg

http://valid.canardpc.com/show_oc.php?id=1652550
post #7 of 19
I have mine at just 4000MHz (3.9GHz) with the stock heatsink.

All core multipliers at 20X, HT Ref. Clock at the default 200, and voltage at 1.475.

Above that, it isn't stable. I'd get a better fan before going to 4.0GHz+.

33 degress celsius on idle, don't know loading yet. xD

If you have the Black Edition, the great thing about it is increasing your Bus Speed isn't particularly necessary to overclock.
Edited by Anarcho - 2/13/11 at 8:06am
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by Anarcho View Post
I have mine at just 4000MHz (3.9GHz) with the stock heatsink.

All core multipliers at 20X, HT Ref. Clock at the default 200, and voltage at 1.475.

Above that, it isn't stable. I'd get a better fan before going to 4.0GHz+.

33 degress celsius on idle, don't know loading yet. xD

If you have the Black Edition, the great thing about it is increasing your Bus Speed isn't particularly necessary to overclock.
Well I oc'ed it my self a few times I wanted to see if the mobo genie lite oc is stable it also has easy oc switch as easy as flipping a switch ; ) it automatically does everything for me and it goes from 10% oc 15% oc 20% oc and so far I got it on 15% and it runs stable I play the games I usually do I had it on downloading something for hours now no problems what so ever very cool on idle =D
post #9 of 19
Quote:
Originally Posted by ogkush619 View Post
Well I oc'ed it my self a few times I wanted to see if the mobo genie lite oc is stable it also has easy oc switch as easy as flipping a switch ; ) it automatically does everything for me and it goes from 10% oc 15% oc 20% oc and so far I got it on 15% and it runs stable I play the games I usually do I had it on downloading something for hours now no problems what so ever very cool on idle =D
Haha, nice. Whenever I try going 4.0+, it goes unstable. Even if I increase the voltage. ._. I tried 1.5V (which may have been an underlying factor in the problem) and 4100MHz. (20X Multiplier, 205 HT Ref, etc.)

I wonder if 21X would work. Everything else set to default, just change voltage.

Take it, since it's the Black Edition, I use AMD Overdrive. Cheating, yes, but easy. Works decently as well, if you can get everything right.

EDIT: 20.5X, rather. 21 seems a bit too high for my computer's current state.
EDIT: Nope. Unstable. ._.
Edited by Anarcho - 2/13/11 at 8:27am
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post #10 of 19
Do not run the chip with the stock heatsink--ehh, I'm much more worried about the motherboard than stock heatsink! Being an MSI and 4+1 and unheatsinked there is no way it would safely support an overclocked 125W processor. Sadly you're going to have to keep the CPU at stock unless/until you find a better motherboard
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