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Hardware Hacking The hammer and tongs school of Overclocking. (NOT for the beginner and you assume all risks)


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Old 7th September, 2006, 04:21 PM
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SO, you wonder what PSU you need?

Stumbled across this PSU calculator...also includes a cpu-overclocking part so you can estimate the power-draw of your CPU when it's overclocked(apparantly mine is 217w!)

Please be aware, however, that this calc does not consider AMPs, merely WATTS...for some more info in that regard, hit the forums!


http://www.extreme.outervision.com/psucalculator.jsp
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Old 7th September, 2006, 08:57 PM
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Opteron 165 @2.85GHz 1.588V = 241W
Opteron 170 @2.85GHz 1.588V = 217W
correct me, but I thought same clock, same voltage, same Watt
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Old 7th September, 2006, 09:09 PM
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depends on the actual slice of silicon. You'll find that not alot of the same steppings go from SKU to SKU...no FX60 steppings in opterons, for example(at least very few), and please keep in mind that the multi used is very differnt, and this is taken into factor as well

165 default is 1.8ghz.
170 is 2.0ghz

Max TDP is 110w.

TDP for 110w, 1.8ghz, plus 1ghz, plus added voltages
TDP for 110w, 2.0ghz, plus 800mhz, plus added voltages.

I'm sure FSB/HTT increases to get the same clocks are figured in there a bit as well. It DOES make sense. There's a difference of 200mhz OC in the 165, which leads to the higher rating.
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Old 7th September, 2006, 09:14 PM
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As well, you must also figure that the TDP of your chip is most likely going to be less than 110w...so if you use this calc, you should be safe, to say the least.

Don't forget that the quality of power that a psu provides wanes over time, as teh components age, so a little headroom for longevity never hurts.
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Old 14th September, 2006, 08:12 PM
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Wow, my whole system with my 7600GT will be 322W! I've still got 258W to go at!
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Last edited by skool h8r; 14th September, 2006 at 08:14 PM.
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