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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 171

post #1701 of 12377
I'm seeing quite a lot of vCore overshoot on the UD3. When set to 1.4375V, it hits about 1.505V under load. Is that about average?
post #1702 of 12377
I think I give up on my 990fxa-ud3.

I had high hopes for it, but it seems like its nothing more than a piece of junk when it comes to the AMD fx processor.

I have the cpu at 4.6ghz, but every time i go to run a benchmark it throttles down to 2.8ghz, and i have disabled all power saving features, c1e, cool and quiet, turned off turbo boost.

To make things worse i have a set of Mushkin DDR3 2000 9-11-9-27, which cannot go beyond ddr3 1600 with loose timing.

if i use amd overdrive, the second i apply settings, windows kicks out of aero.

I would suggest ANYONE who is looking at this board to go with a AMD FX processor you stay FAR FAR away. Unless well someone can help me solve these problems, i have tried to call gigabyte tech support, they are not being very helpful.
Bios verison is F5
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post #1703 of 12377
You don't need to hit apply in AOD. Set your overclock in the BIOS, boot Windows, start AOD, turn on Turbo (hit the check box and click OK), turn off Turbo, and then close AOD. Don't ever apply the main settings window. Toggling AOD happens immediately upon clicking OK on the modal dialog that appears when you adjust Turbo settings. This disables the 14x throttling bug. A future BIOS should fix this to where it's no longer necessary. That being said, I agree that the UD3 isn't really ready for FX CPUs.
post #1704 of 12377
thanks particle

that worked. I am guessing i will have to do that every time i reboot huh?

and yes i agree the ud3 is not ready for FX cpu's. All we can do is wait for new bios. Now to figure out the memory part.
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post #1705 of 12377
Quote:
Originally Posted by ebduncan;15401985 
I think I give up on my 990fxa-ud3.

I had high hopes for it, but it seems like its nothing more than a piece of junk when it comes to the AMD fx processor.

I have the cpu at 4.6ghz, but every time i go to run a benchmark it throttles down to 2.8ghz, and i have disabled all power saving features, c1e, cool and quiet, turned off turbo boost.

To make things worse i have a set of Mushkin DDR3 2000 9-11-9-27, which cannot go beyond ddr3 1600 with loose timing.

if i use amd overdrive, the second i apply settings, windows kicks out of aero.

I would suggest ANYONE who is looking at this board to go with a AMD FX processor you stay FAR FAR away. Unless well someone can help me solve these problems, i have tried to call gigabyte tech support, they are not being very helpful.
Bios verison is F5

Dont think ANY board is ready for Bulldozer... In my eyes, bulldozer is the problem... not the chipset.
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post #1706 of 12377
Quote:
Originally Posted by ebduncan;15402699 
thanks particle

that worked. I am guessing i will have to do that every time i reboot huh?

and yes i agree the ud3 is not ready for FX cpu's. All we can do is wait for new bios. Now to figure out the memory part.

My FX 8150 works fine on my UD3
Edited by mystikalrush - 10/21/11 at 9:09pm
post #1707 of 12377
Well it seems after loots of google searching that this(UD3) board has some issue's with over heating. Lots of posts of people complaining about it in other place's. Now I'm kinda worried about it.

yes, AMD OverDrive give me about a 10c hotter CPU core temp than any other program. I have checked my temps with every free program I can get my hand's on and all of them report the exact same temp's with AMD OD being the odd man out showing about a 10c higher temp. while gaming it showed my CPU temps getting as hot as 70c..... I know my Silver Arrow is installed proper and I used ICD7 for TIM. I also am using San Ace 1011 high speed fans, so I STRONGLY dought AMD OD's claims of 70c while playing crime craft lol.


If I cant find any good new's about this problem in the next day or so I'll call Gigabyte Tech support to see what's going on. If I don't like what Gigabyte Tech support says I'll return it to Microcenter and get diff board...these giga boards seem to be VERY quirky, I dont like "quirks" in a $160 mobo....
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post #1708 of 12377
Anyone with the UD3 having vdroop issues?
I'm going from 1.34 to 1.44vcore when stressing. frown.gif
Running F5 bios btw.
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post #1709 of 12377
overheating?

I will agree the vrm's do run quite warm. That heatsink on them is poorly seated, and rather small given the amperage and voltage the fx series uses.

I found a rather odd fix to this problem. I had a 790gx board Apon close inspection i found that the heatsinks shared the same mounting holes and layout. So i swapped them.
heres a link to the old board.
http://www.gigabyte.us/products/product-page.aspx?pid=2887&dl=1#

its a all copper heatpipe sink, which i must say is much much better than the stock cooling on the ud3.
Quote:
Anyone with the UD3 having vdroop issues?
I'm going from 1.34 to 1.44vcore when stressing.
Running F5 bios btw.

I have not noticed and vcore dropping issues. However it will go between 1.392, and 1.376 so a .016 difference, at the same time the clock speed changes from 4631.3mhz to 4630.9mhz however this is relatively normal. Do you have cool and quiet enabled or c1e?
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post #1710 of 12377
I am new to both this forum and this thread .
I followed the 890fx thread for a long time and found it very useful . Although not an overclocker myself there is much of value in these forums .
I recently purchased a 990fxa - ud3 as an upgrade for my 890fxa - ud5 ( rev 2.1 )
So I decided to join up with your forum as I often read it to see how thins are going and what bioses work and suchlike .
I have had the UD3 for 8 weeks and although it works OK it can be a little flakey .
I dual boot between Win Vista and Ubuntu 10.04 . The onboard Nic malfunctions badly under linux and is disabled in bios - I am using a PCIe Intel nic .
It is a pretty basic setup - Phenom II 955 4gig Kingston value ram ang GF 275 video card ( basically just my old 890fx system with the mobo changed ) .
I was holding out waiting for bulldozer but was pretty disappointed with BD performance so I will most likely just use it as it is .
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