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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 508

post #5071 of 38701
I got an issue:

Sometimes the my #1 Graphics card will lock to 500/501 Mhz for some reason. I enter BF3, for example, and GPU1 is at 500Mhz, and GPU2 is at 1150Mhz.
GPU1 usage is 99%, GPU2 usage is ~45%

I am not sure what causes this, might be prolonged exposure to idle conditions.

To fix it I have to restart my PC.

Any1 got a clue what I can try to fix it?
post #5072 of 38701
Quote:
Originally Posted by Ottesen View Post

Wattage with 7950 crossfire:
Some pages back we talked about power use, i had trouble overclocking my cards and thought maybe my 750w psu which is now 4 year old is not big enough/bad. So i bought a measuring thingy today that reads wattage.
Specs:
Intel 2500k at 4,7ghz with 1,4v
Asus sabertooth motherboard.
4 internal disks and one dvd rw.
2x7950 powercolor with dual fans. Stock.
With that and doing 3dmark11 i peaked at 440w. With all tests i did that was the highest. (Under normal testing) I also tried going a 3dmark11 and prime95 on blend, peaked at 495w at most. So right now my gpu's are stock, but still with a big overclock on them i'm sure i'm way under 600w, and a old but good 750w psu will take that easily biggrin.gif

Wow, with my system, I was pulling 790w from the wall.

2500k @ 5ghz 1.392v
2 Vertex 3 ssd's Raid 0
4 120mm R4's
1 Swiftech pump 655
2 x 7970 1200/1600
AX1200

That's a big difference between the 2 systems.
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post #5073 of 38701
Quote:
Originally Posted by Hambone07si View Post

Wow, with my system, I was pulling 790w from the wall.
2500k @ 5ghz 1.392v
2 Vertex 3 ssd's Raid 0
4 120mm R4's
1 Swiftech pump 655
2 x 7970 1200/1600
AX1200
That's a big difference between the 2 systems.

sounds like his psu is about to bite the dust. if he is only pulling 440w with 2 crossfired there is something wrong. I pulled 710w with a 2600k and 2x 6950's
     
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post #5074 of 38701
Quote:
Originally Posted by Hambone07si View Post

Wow, with my system, I was pulling 790w from the wall.
2500k @ 5ghz 1.392v
2 Vertex 3 ssd's Raid 0
4 120mm R4's
1 Swiftech pump 655
2 x 7970 1200/1600
AX1200
That's a big difference between the 2 systems.

I also looked at multiple tests with almost the same specs and mine seems correct. Wasn't much difference. Pulling like the dude over me here, 710w on 2600k and 2x6950, then there is something wrong. Look at tests and see, never seen anybody pulling anything close to that...

Edit: Don't get my wrong guys, i'm not saying i'm correct. But every test i've seen has nothing near what you guys say. I can test tomorrow with a mate running the same mobo and cpu but he has a bigger/newer psu and 2x6950's...

Edit2: i don't know much about wattage and stuff tho, but can it have something to do with you from Usa having 120v lines and we here having 230v lines ?
Edited by Ottesen - 2/27/12 at 12:38pm
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post #5075 of 38701
Amazon just delivered my Sapphire 7970 a couple of hours ago. Took my lunch break to grab my precious and put it inside. I should have made something to eat but ended up deciding that installing my shiny new toy was more important rolleyes.gif. Just installed the drivers from CD and took a quick peek at GPU-Z before rushing back to work. Longest 3 hours of my life ahead of me...

*Has anyone else had problems with Fallout 3 and New Vegas defaulting to medium settings for some reason? When I loaded Skyrim it picked up my new graphics card no problem and maxed every setting.
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post #5076 of 38701
Quote:
Originally Posted by Norlig View Post

I got an issue:
Sometimes my #1 Graphics card will lock to 500/501 Mhz for some reason. I enter BF3, for example, and GPU1 is at 500Mhz, and GPU2 is at 1150Mhz.
GPU1 usage is 99%, GPU2 usage is ~45%
I am not sure what causes this, might be prolonged exposure to idle conditions.
To fix it I have to restart my PC.
Any1 got a clue what I can try to fix it?

Any1?
post #5077 of 38701
Hi everyone,

First time to this forum, and first time to look at OCing a GPU. Please excuse the noobness. smile.gif

I looked around, figured that there really isn't a set way to OC the GPU persay, and each mfg seems to create their own OC'ing utility.
So given that I have a Sapphire 7970 ref, see that it comes with the TRIXX software for OC'ing.
Other ones can even work with or come with the mobo.

So am I obliged to use the OC'ing software that comes with the brand? I understand that all are essentially created equal, except XFX and the Black Editions?

Also any recommendations on OP would be great.

Thanks mucho...
 
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post #5078 of 38701
Just got my 7950! when i go to black ops it kinda stutters and lags. also AA there is no option to turn it on or off. When i had my 570 it was set to x16. also mw3 launches but black screen. cant see anything but I can hear it. I'm using 12.1 drivers. what should I do?
post #5079 of 38701
Quote:
Originally Posted by OverClocker55 View Post

Just got my 7950! when i go to black ops it kinda stutters and lags. also AA there is no option to turn it on or off. When i had my 570 it was set to x16. also mw3 launches but black screen. cant see anything but I can hear it. I'm using 12.1 drivers. what should I do?

try the 12.2 driver?
old drivers cleared out?
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post #5080 of 38701
Quote:
Originally Posted by flopper View Post

try the 12.2 driver?
old drivers cleared out?

ok link to find 12.2? and how I clear out?


EDIT: I'm running 12.2. How do I downgrade?

EDITV2: On 11.12 and 12.1 are they compatible with 7950?? it dont say
Edited by OverClocker55 - 2/27/12 at 2:29pm
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