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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 554

post #5531 of 12377
Anyone succesfully RMA their ud3? Even with a big fan blowing on the vrms I cannot get it to stop throttling at 4.8ghz. beyond pissed. Bought an h220 and basically have the same clocks with my 212+ because of this garbage mobo. I have owned this board for ~2months now.
    
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post #5532 of 12377
True, the UD3 is a bean counter's special and we are paying the price.

I went there and looked, and the most expensive Asus boards do indeed have something there, and I am sure Pudfark will tell us more about it in a few days. I also saw some Asrock boards with huge heat sinks. But what caught my eye was one MSI board with THREE bolts holding the heat sink down. One on each end and one in the middle. I'm no MSI fan but............
Edited by miklkit - 5/18/13 at 5:44pm
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post #5533 of 12377
I May not have the UD3 but the older weaker D3 model bought with my FX6100 , lokking to buy the GEn3. R.2.0 Sabertooth as Soon As it hit store's may be bundle with A FX8350 chip

Because i had it with this series of board from the Warping to trottling it is endless, I guess I should have bought That MSi 990FX-GD80 and crossed my fingers
post #5534 of 12377
Honestly I think the board warps because they used plastic with a spring to hold them on but the springs don't apply any real force (the heat sink moves if you tap it), in other words the idiots should have used real mounting hardware not this crap plastic solution.
post #5535 of 12377
Quote:
Originally Posted by runelotus View Post

I May not have the UD3 but the older weaker D3 model bought with my FX6100 , lokking to buy the GEn3. R.2.0 Sabertooth as Soon As it hit store's may be bundle with A FX8350 chip

Because i had it with this series of board from the Warping to trottling it is endless, I guess I should have bought That MSi 990FX-GD80 and crossed my fingers

Yeah it seems this owners thread has turned into a buyers remorse thread, well for those of us who are in this rather annoying predicament.
post #5536 of 12377
Has anyone tried using thermal epoxy? You know, the permanent stuff? Seems like with a decent heatsink, this would achieve a much better thermal transfer across all the mosfets.

My board will be out of warranty soon and I wouldn't mind giving it a shot. Just put a tiny dot on each mosfet and let it set. I even thought about taking my heatsink to the shop at work and cutting additional fins into it to increase the surface area.

Wouldn't mind attaching a permanent thermal probe to the heatsink either, so I could get some solid numbers to work with. Even if it didnt give true mosfet temperature, at least it would give steady baseline numbers that I could use to compare effectiveness of cooling solutions.
Edited by Baskt_Case - 5/18/13 at 7:15pm
    
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post #5537 of 12377
Quote:
Originally Posted by Pudfark View Post

This is for OZZ and everybody else having VRM overheating/warped Mobo's problems.
I could be wrong, though I don't believe I am. All you have to do...go to newegg and look at the pictures of the UD3, UD5 mobo's and look for the photo that shows the back of the board.
Look specifically on the board at the location of where the backside of the VRM's would be.....you will see nothing there, which is the location where the board warps from heat.

Now, at the newegg, look at a sabertooth board backside where the VRM's would be located and you will see a "support" that prevents the board from warping and the VRM's from losing contact with their heatsink.

That gentlemen...I believe is most of the problem. I sincerely hope this helps. My new Sabertooth will arrive on Tuesday. I wish you all well.

There are some mosfet/driver IC under that "support" on the Sabertooth..... kind of a small heatsink for them.

wow...Guys, it looks like the new UD3 is ... no comment.
I have the UD7, no problems at all with it, but still, in my opinion, its behind my CHV and Sabertooth
Edited by IOSEFINI - 5/18/13 at 7:28pm
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post #5538 of 12377
Quote:
Originally Posted by Baskt_Case View Post

Has anyone tried using thermal epoxy? You know, the permanent stuff? Seems like with a decent heatsink, this would achieve a much better thermal transfer across all the mosfets.

My board will be out of warranty soon and I wouldn't mind giving it a shot. Just put a tiny dot on each mosfet and let it set. I even thought about taking my heatsink to the shop at work and cutting additional fins into it to increase the surface area.

Wouldn't mind attaching a permanent thermal probe to the heatsink either, so I could get some solid numbers to work with. Even if it didnt give true mosfet temperature, at least it would give steady baseline numbers that I could use to compare effectiveness of cooling solutions.

The only catch there, obviously, if the thermal epoxy doesn't perform as-well-as-or-better-than the artic-sliver (which you would then be using zero of) you'd be done. No backtracking from epoxy.
post #5539 of 12377
I've thought about using the epoxy however to do that, at least in my case with the warping I have, I would have to do several individual heat sinks. I've solved my throttling, at least at 4.5ghz. I honestly do not believe I'll be able push it very much higher. Maybe 4.6ghz but I wouldn't be surprised if it started to throttle there. This copper heatsink gets incredibly hot under a load. I was pretty shocked when I touched it. Its taking that little AMD fan turning 5000+ RPM to stop the throttling. The heatsink is doing its job well, these things are just generating a ridiculous amount of heat.
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post #5540 of 12377
Quote:
Originally Posted by Baskt_Case View Post

Hey, I noticed that in an earlier post of yours as well. I'm testing 4.7GHz on an 8350 right now and the best I can muster is 45 GFLOPS. Whats up with that.

Is your version of IBT using AVX? I notice that your IBT looks a little different than mine. Although the version number is the same, 2.54.

Yep its an AVX version. Here it is.... IBT AVX.zip 4327k .zip file
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