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AMD FX (Bulldozer) Owners Club! - Page 522

post #5211 of 8112
Quote:
Originally Posted by Lordred View Post

The effieciency rating of the PSU is not how much power it puts out, but how much power it draws from the wall.


Example, a 100% efficient PSU (dosnt exist) thats rated for 1000w, will pull 1000w when fully loaded.
If for example it is only 80% efficient, a 1000w PSU under full load will pull 1200w at the wall.

This is correct. The wattage ratings of a PSU are what it can deliver. What it will draw from the wall is a function of how efficient it is. This is not to say that all manufacturers claims of wattage delivery capability are correct - some have been known to fudge that .

1,000 watt delivery @ 80% efficiency (20% turning into heat) would draw 1,200 watts from the wall.
    
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post #5212 of 8112
Yes, that is correct. Im looking to find out up to what voltage and clocks i can get to keep power consupmtion up to 400W ????
post #5213 of 8112
Thread Starter 
PSUs are advertised at their output wattage...

80% efficient PSU rated at 1000w will pull 1200W from the wall at full capacity.
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post #5214 of 8112
Quote:
Originally Posted by Jagged_Steel View Post

Here you go bud: CPUZ 1.6 download @ Major Geeks thumb.gif
Major Geeks is a great place for free software.

T/Y thumb.gif
post #5215 of 8112
Quote:
Originally Posted by itomic View Post

Yes, that is correct. Im looking to find out up to what voltage and clocks i can get to keep power consupmtion up to 400W ????

I don't understand what you are asking exactly. You are trying to keep the system draw delivered by the PSU under 400 watts? Or are you trying to keep your total power draw at the wall under 400 watts? You can get a meter to read the power consumption going through the cord to the wall for about ~$25, this will tell you how much you are using. In theory, if all of the manufacturers claims are correct, you could also use this same power draw figure and deduce how much is being delivered to your system. Example: Your meter says you are drawing 600 watts at the wall and your PSU is rated at 80% efficiency. This should mean that it is providing 500 watts to the computer system.


408
This is the Ryobi power usage meter, it is about $25. I have seen these at Home Depot. If you get one of these you can figure out what you are using, I don't know of any table or anything of the sort that will just automatically tell you based on OC settings etc. I think you would have to just test it yourself.
Edited by Jagged_Steel - 7/10/12 at 4:03pm
    
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post #5216 of 8112
Quote:
Originally Posted by MrPerforations View Post

Quote: Originally Posted by Bubba Hotepp
No no no no no. NEVER set the CPU/NB to the same voltage as your CPU V. Stock speed for the CPU/NB on FX is 2000MHz at 1.175V. I run mine at 2200MHz at 1.2V and I run my CPU speed at 4.6GHz with a CPU V setting of 1.3625V with LLC disabled which gives me a load voltage of 1.41-1.42V
why not?
i find my stock voltage at 2200mhz is 1.225v in bios,my guess from bubbas 1.175v at 2000mhz makes it 1.275 for 2400mhz.
.05v incresses.

That would make sense but unfortunately doesn't hold true (for me). What I find is that this cpu (or my board) is very sensitive and requires a certain amount of finesse...if I run high htt link and or high ram frequencies then I have to push my cpu-nb voltage quite a bit, but the scaling for me is more like this:

200 htt link, 1.25v cpu-nb

250 htt link, 2332mhz ram, 1.3v cpu-nb

300 htt link, 2400mhz ram, 1.35v cpu-nb

My nb stays between 2500 and 2700.

All these settings can be stable for me, but oddly enough in between these settings are many that won't even boot. So far this setup seems to prefer 'sweet spots' more than anything else I've ever played with.

I'm not offering an explanation, as I don't have one...still someone may find this info useful.
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post #5217 of 8112
Got a Corsair H100 for cheap today. thumb.gif Better temps than I had with the Noctua. Wish the room temp was a bit lower though. 27C at the moment.. frown.gif
Was thinking about 'real' water cooling, but this'll do for now.
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post #5218 of 8112
Was taking the old fried Motherboard out and wanted to investigate what exactely went wrong. Took the heat sink off and found a nice size burn mark!! Least the cpu is completely fine. Still don't know what caused it?

420
post #5219 of 8112
That's something I didn't want to see. frown.gif What revision was that and how long have you had it?
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post #5220 of 8112
Quote:
Originally Posted by kzone75 View Post

That's something I didn't want to see. frown.gif What revision was that and how long have you had it?

Gigabyte UD3 had since basically the start of this year.
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