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post #2641 of 12343
Quote:
Originally Posted by ZerotoHero View Post
Im talking about watts.

As you mention the 940 draws 125 watts and when we overclock it draws more.

Im trying to figure out how much more it draws and what is a safe limit before we cook the board.
That would depend on two things your Vcore and your CPU speed. TDP is the wattage of the CPu essentially. Tell me what your OC's are aka 2600Mhz @ 1.35, 2800@ 1.35, 3000@1.37, 3200@ 1.42 and I can tell you roughly how high you can safely go.


Edit: At those speeds and vcore you are pushing 182W (@ max load) through your processor. Considering that these boards are only supposed to go to 125W(for the CPU) you are about at the limit.
That being said these boards really were never meant to use AM2+ chips. The biggest baddest AM2 chip X2 6400 3.2Ghz windsor is a 125W TDP CPU so It was more than enough. Also If you think about it they can support the biggest and baddest chips out now(not fully) the X4 955 which is also a 125w TDP Cpu @ stock
Edited by eclipseaudio4 - 7/2/09 at 10:44pm
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post #2642 of 12343
Isn't TDP...thermal design power? There's a lot of misunderstanding about this topic. Some of the discussions say TDP has nothing to do with the power draw of the processor. A lot has changed with the Ph II so perhaps it's different but TDP back in the day was never the amount of power a processor would draw...especially not for S939/AM2.
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post #2643 of 12343
TDP is thermal design power. Any discussions that say TDP has nothing to do with power draw needs to look again Thermal Design POWER. /end rant

One sec bringing up more info

Ok Here is Wiki's version(take with a grain of salt) Link
Also you must remember that all boards are rated for TDP. It just one of those things that makes you go why do they do it that way. So wiki's info is technically correct.
Edited by eclipseaudio4 - 7/2/09 at 10:50pm
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post #2644 of 12343
Quote:
Originally Posted by eclipseaudio4 View Post
TDP is thermal design power. Any discussions that say TDP has nothing to do with power draw needs to look again Thermal Design POWER. /end rant

One sec bringing up more info
Eclipseaudio4, like I said there has been quite a few discussions about it

Here is the wiki on TDP: http://en.wikipedia.org/wiki/Thermal_design_power

Quote:
thermal design point, represents the maximum amount of power the cooling system in a computer is required to dissipate
I'm not doubting your findings I'm just pointing out what documentation is available on the internet about this specific element.
Edited by thlnk3r - 7/2/09 at 11:11pm
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post #2645 of 12343
Thread Starter 
Quote:
Originally Posted by eclipseaudio4 View Post
That would be 163W TDP. Really the board does not matter it's all about the CPU.
These are rough estimates really but are very useful and quite close.

TDP = Stock TDP * (MHz / Stock MHz) * {(voltage / stock voltage)^2}

Sorry forgot some {}'s


Ok example. My Brisbane X2 5000 Stock TDP =65W
So X=65*(3615/2600)*{(1.55/1.35)^2}
X=65*1.3903846153*(1.1481481481^2)
X=65*1.3903846153*1.3182441699
X=90.375*1.3182441699
X=119.13631686
So Oc'd TDP = 119W
+1 but I'm still lost and not good at mathematical formula's.


Quote:
Originally Posted by eclipseaudio4 View Post
BTW for any non belivers of my 1Ghz OC check the sig. lol
Aha now show us your 10 second OCCT run.
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post #2646 of 12343
Quote:
Originally Posted by thlnk3r View Post
Eclipseaudio4, like I said there has been quite a few discussions about it

Here is the wiki on TDP: http://en.wikipedia.org/wiki/Thermal_design_power



I'm doubting your findings I'm just pointing out what documentation is available on the internet about this specific element.

LOL funny we brought up the same thing. And Im sure you ment to put "not" doubting. If not thats OK.
Quote:
Originally Posted by N2Gaming View Post
+1 but I'm still lost and not good at mathematical formula's.


Aha now show us your 10 second OCCT run.
One of these days I am going to have to insulate my board just so I can do that. (need to get the CPU down to about 5*C @ 1.55vcore)


For those not so savy with Algebra click the
Edited by eclipseaudio4 - 7/2/09 at 10:56pm
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post #2647 of 12343
My cpu is at 3.6ghz and my voltage is set at 1.325v in the bios and shows 1.376v in cpu-z

My fsb is untouched as ive just used the multiplier to get to the overlcock.

Can you estimate my wattage draw?
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post #2648 of 12343
Quote:
Originally Posted by eclipseaudio4 View Post
T
At those speeds and vcore you are pushing 182W (@ max load) through your processor. Considering that these boards are only supposed to go to 125W(for the CPU) you are about at the limit.
That being said these boards really were never meant to use AM2+ chips. The biggest baddest AM2 chip X2 6400 3.2Ghz windsor is a 125W TDP CPU so It was more than enough. Also If you think about it they can support the biggest and baddest chips out now(not fully) the X4 955 which is also a 125w TDP Cpu @ stock
Here you go.
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post #2649 of 12343
So if i can lower my cpu voltage a little bit that will help?

Does it matter for the wattage whether i overclock to 3.6 using the multiplier or the fsb?

Would you recommend i lower my overclock or is 182w going to be ok?

Thanks
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post #2650 of 12343
Quote:
Originally Posted by eclipseaudio4 View Post
LOL funny we brought up the same thing. And Im sure you ment to put "not" doubting. If not thats OK.
Eclipseaudio4, whoops my bad LOL. Yes you are correct. I edited my post and added, "not". Sorry about that haha. It's getting late
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