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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1343

post #13421 of 38701
Quote:
Originally Posted by eternal7trance View Post

In MSI afterburner, next to the Core Voltage there's a button with a down arrow. If you click on that it will open the memory voltage.
I had a similar problem like this just with one card using the 12.7 drivers. Then I went to the 12.6 drivers and haven't had any problems.
How did you get the Antec 620 to fit on your board?

I tried 12.6 but I still have mouse stutter with CF/Vsync ON.
CF OFF/Vsync ON = No Mouse Stutter
CF ON/Vsync OFF = No Mouse Stutter
CF ON/Vsync ON = Mouse Stutter

This did not happen last night. I've reformatted the PC to try and fix the issue.
Makes no sence!
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post #13422 of 38701
Quote:
Originally Posted by BradleyW View Post

I tried 12.6 but I still have mouse stutter with CF/Vsync ON.
CF OFF/Vsync ON = No Mouse Stutter
CF ON/Vsync OFF = No Mouse Stutter
CF ON/Vsync ON = Mouse Stutter
This did not happen last night. I've reformatted the PC to try and fix the issue.
Makes no sence!

Used to happen with me on crossfire 6950's. Got rid of them and never again will consider another dual GPU setup. Too many headaches, too much time spent fixing and not enough time enjoying. But, to fix your problem, I guess you have to work out if it's the crossfire setup doing it or something else. BF3 was notorious for mouse stutter upon release, even with single GPU cards there was an issue. All of a sudden though, it just went away for me, and everything was smooth as butter with a single 7950. One thing to note: I tended to get stuttering more with Vsync OFF, and needed it on to produce smooth frames. Having it off would make it feel as if the frame rate was always below 60, even though the counter was telling me 70+. Was there a small patch in BF3 snuck in? I haven't noticed one. I would put it down to the game's abysmal coding, in which nearly EVERYONE is having issues with the game one way or another on different setups and on varying occasions.
post #13423 of 38701
Quote:
Originally Posted by tsm106 View Post

Sorry, I don't know what you're carrying on about.
poke.gifrelaxxxxxx
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post #13424 of 38701
My 7970's are great 1325/1800 so far using Trixx. Perhaps I should not have found the voltage slide in Trixx . Always thought 1.3v in AB was the max. Both cards are under water. My question is can I damage the cards if I use max volts in Trixx ? My temps are good 41 C after 1 hour of BF3 at the above speed.
Edited by martinhal - 7/16/12 at 10:07pm
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post #13425 of 38701
Quote:
Originally Posted by martinhal View Post

My 7970's are great 1325/1800 so far using Trixx. Perhaps I should not have found the voltage slide in Trixx . Always thought 1.3v in AB was the max. Both cards are under water. My question is can I damage the cards if I use max volts in Trixx ? My temps are good 41 C after 1 hour of BF3 at the above speed.

Don't push your card too much. 1.3V should be your max voltage. You don't want to risk the life of the card for 25 - 50 Mhz. Frankly anybody would love to have those speeds which you are running at . 1300 Mhz in CF is a beast. I envy you. smile.gif
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post #13426 of 38701
Quote:
Originally Posted by raghu78 View Post

Don't push your card too much. 1.3V should be your max voltage. You don't want to risk the life of the card for 25 - 50 Mhz. Frankly anybody would love to have those speeds which you are running at . 1300 Mhz in CF is a beast. I envy you. smile.gif

Thanks for that. I should be happy with it as it is but this is OCN.......
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post #13427 of 38701
I decided to disobey the rules, and I got a stable clock on air at 1330//1900 1.32V (only worth it for benchmarking)

but...Should I test this? >> I am kind of being a sissy with the idea.

421

I orig. made it for a OC thread on steam so... just disregard the profile proof in background.
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post #13428 of 38701
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post #13429 of 38701
Quote:
Originally Posted by eternal7trance View Post

In MSI afterburner, next to the Core Voltage there's a button with a down arrow. If you click on that it will open the memory voltage.
I unlocked unofficial overclock and i gain those settings, now i shloud figure it out how to move for overclock this card, i would like to know a safe voltage fo daily overclock for core and memory and find stability trynig and trying, any advice just to start?
post #13430 of 38701
Quote:
Originally Posted by BradleyW View Post

The AC Extreme is ment to have some issues with VRM cooling because the mini heatsinks are a bit crap. The cooler itself though is the best you can get for air cooling.

This. I have one mounted myself, GPU is greatly cooled (My max is 56C with 1100mV on furmark) but VRM cooling have some difficulties if you raise your voltages :/
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