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About VRMs & Mosfets / Motherboard Safety with 125W+ TDP processors - Page 7

post #61 of 1100
So what are some good motherboards that won't blow in the price range of $60-$99?
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post #62 of 1100
Thread Starter 
Quote:
Originally Posted by fazio93;12420850 
my board has an 8+1 phase. so that basically means that my imc/ram is running off one phase rather than two? is there much of a difference between 8+2 vs 8+1, for example, ram voltages not being as stable when trying to OC ram or tighten timings?

also, if the specs say 8+1 what is the extra mosfet in the upper right corner of the board (in between dimm slots and turbo key) see here
IMC runs off that "1" phase. The RAM is powered by a separate phase coming from the 24-pin ATX connector
Quote:
Originally Posted by Davidsen;12423527 
My MBoard has a 4+1 power design, and CPU's currently running at 1.56v @3.9GHz, should i have any worries regarding the damage 4+1 phase can do?
Only if you're unlocked to x4
Quote:
Originally Posted by SpeedNuggeT;12423588 
Sorry to ask, but i have a question. My mate has a Gigabyte GA-870A-UD3 Rev2 Motherboard, it's 8+2 UNHEATSINKED. We wish to overclock his 1055T to 4ghz, or around that.

Is 8+2 without heatsinks safe? we are running a Noctura D14.

8+2 without heatsinks would be to a certain point fine because 8+2 runs a lot cooler; if passing 1.55V (i.e. watercooling), you'll want to invest in the heatsinks, but otherwise on a quality 8+2 phase you should be fine. NH-D14's 140MM mid fan overhangs a bit so as to give some air to mosfets area anyway actually.
Quote:
Originally Posted by skarm;12423680 
I know this is an Intel system but whatever; http://www.newegg.com/Product/Product.aspx?Item=N82E16813131623
I have this motherboard except the chokes are different looking and the caps are black; if I were to drop in an i5 760 later on, should I be worried if I wanted to overclock it?
It's a 6-phase (either 4+1+1 phase or 5+1 phase, not too sure about how it's done with Intel but I do know phases are split/arranged differently)... i5 760 is a 95W TDP processor by default though and not 125-130W, it should be fine up to a certain point I'd think.
Quote:
Originally Posted by Annex;12424406 
So what are some good motherboards that won't blow in the price range of $60-$99?
[ame="http://www.amazon.com/gp/product/B002LIU0AE"]M4A79XTD EVO[/ame] - $96, $81 AR [Amazon]
M4A87TD EVO - $110 (combo deals with CPUs should push it down to <$100)
GA-870A-UD3 - $108 shipped (same principle as M4A87TD)
GA-890XA-UD3 - $90 [Zipzoomfly] (if it ever goes back in stock)

Find combo deals on Newegg for these boards and you save even more smile.gif
Edited by xd_1771 - 2/17/11 at 3:47pm
post #63 of 1100
Good read. thumb.gif

Does this mean I should avoid ever running my 945 on my Biostar TA785G3 HD?
post #64 of 1100
Quote:
Originally Posted by xd_1771;12424600 
IMC runs off that "1" phase. The RAM is powered by a separate phase coming from the 24-pin ATX connector
smile.gif

so i guess that would be the lonely phase in upper right corner i was describing?
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post #65 of 1100
Nice post xx1771! This guy knows his stuff for sure, he has helped me amend my overclocking guide a couple times.

Questions though, as I'm running an MSI 790fx-gd70 right now and am upgrading to WCing soon to push my overclock...

1) What is the max safe voltage you should run on this board on air?

2) How much safer would overclocking be on this board if I put the Mosfets under water?

I've seen a couple other members run this generic block on the 790fx mosfets, I figured I could run it with my cpu loop.
Edited by stonedzen - 2/17/11 at 5:46pm
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post #66 of 1100
Quote:
Originally Posted by SpeedNuggeT;12423588 
Sorry to ask, but i have a question. My mate has a Gigabyte GA-870A-UD3 Rev2 Motherboard, it's 8+2 UNHEATSINKED. We wish to overclock his 1055T to 4ghz, or around that.

Is 8+2 without heatsinks safe? we are running a Noctura D14.

Get the Enzotech MST-88 aftermarket mosfet heatsink. I have it and it fits the board perfectly.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835708016

Deactivated on newegg but look around the net for one.

Also another vote to sticky this thread. Well done xd.
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post #67 of 1100
Yes, let's sticky it. Very valuable information.
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post #68 of 1100
Quote:
Originally Posted by t-ramp;12424885 
Good read. thumb.gif

Does this mean I should avoid ever running my 945 on my Biostar TA785G3 HD?

I think that it would be fine since the CPU support page says that the board can even handle an X6. The 945 should be a 95W CPU as well (correct?). But maybe I wouldn't push it all that hard, although it says that it supports CPUs up to 140W. So maybe it would not even be a problem.
Edited by coonmanx - 2/17/11 at 6:48pm
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post #69 of 1100
Quote:
Originally Posted by RichardS;12426275 
Get the Enzotech MST-88 aftermarket mosfet heatsink. I have it and it fits the board perfectly.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835708016

Deactivated on newegg but look around the net for one.

Also another vote to sticky this thread. Well done xd.

Thankyou. Does it use thermal paste or do you need thermal pads?
post #70 of 1100
Very, very good thread. About time you did it. Rep+
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