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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1407

post #14061 of 38701
Could do with some advice about my 7970.

I have a reference Sapphire 7970 3GB that I bought at release. Its stock voltage is 1.112V. As such, it will just about do 1040/1475 at stock voltage. I have found that I need to set voltage to 1.175 (stock voltage for some 7970s?) to get the card to max out the CCC limits at 1125/1575. This is all well an good, but at these settings, the card will happily break 81/82 degrees C in games like BF3. Are these temperatures safe to maintain when the card is at load during games? This is using the stock/default fan settings. I know I could set a custom fan curve, but if I don't have to it saves me having to have afterburner sat running constantly and I can just have it set the clocks/voltage at boot!

Cheers in advance.
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post #14062 of 38701
Guys what the hell is wrong with hardware accelaration, sometimes works, sometimes not?
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post #14063 of 38701
Guys im using just about all 3gb of Vram playing Bf3. Is this happening with anyone else? Im playing at 2560x1440 at ultra, but I started maxing out the Vram after I added another 7950.
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post #14064 of 38701
Quote:
Originally Posted by the_duality View Post

Could do with some advice about my 7970.
I have a reference Sapphire 7970 3GB that I bought at release. Its stock voltage is 1.112V. As such, it will just about do 1040/1475 at stock voltage. I have found that I need to set voltage to 1.175 (stock voltage for some 7970s?) to get the card to max out the CCC limits at 1125/1575. This is all well an good, but at these settings, the card will happily break 81/82 degrees C in games like BF3. Are these temperatures safe to maintain when the card is at load during games? This is using the stock/default fan settings. I know I could set a custom fan curve, but if I don't have to it saves me having to have afterburner sat running constantly and I can just have it set the clocks/voltage at boot!
Cheers in advance.

Yes mid-80's is safe for reference cards - if it gets into the 90's then you might want to take some action.

I am using MSI AB to create a fan profile to keep my temps around 80 with my cards overclocked - this works great, the only downside is the stock fans are really loud
post #14065 of 38701
Quote:
Originally Posted by Kokin View Post

The profiles and clocks don't stick when you do a reboot. I also didn't have the powertune bar, though that might have been because I had just installed over older versions of MSI AB. The Unofficial OC method also doesn't work if you haven't installed AMD 12.2 drivers or older as it is missing the two .dll files to allow unofficial OC.

I'm pretty sure there's a workaround where you go dl the .dll's and throw them in the folder with MSIAB and everything is shiny again.
 
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post #14066 of 38701
Quote:
Originally Posted by u3b3rg33k View Post

I'm pretty sure there's a workaround where you go dl the .dll's and throw them in the folder with MSIAB and everything is shiny again.
Oh yes, I'm using them along with the -xcl method. What I said was the reason I didn't use the Unofficial OC method, not to mention I just did a fresh reinstall, so I was missing those two files.
    
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post #14067 of 38701
Quote:
Originally Posted by Ken1649 View Post


 
To enter ZeroCore Power State and entering sleep/hibernate are two different issues. Most I have seen users are having crash after the system entered sleep state not that the card in ZeroCore Power State.

Most users identify it by "crash after long idle". By that maybe they don't know the PC is actually in Sleep/Hibernate state or ZeroCore Power State.

We don't know for sure in which stage they are having crash; Monitor Off > ZeroCore > PC Sleep > Hibernate > Resume.

 



Old Post but I ran into something interesting. My Accel adapter died so I had to switch to the adapter that came with my card, a cheapo bizlink. Anyways, resume from sleep failed using this adapter. I got my replacement Accel, and voila resume from sleep works again. No more reboots or crashes from sleep with the Accel.
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post #14068 of 38701
i thought i was stable @1250 with 1.3v but tonight playing dead space 2 game crashed, the core temperature was not so high (73degrees). withut v-sync the vga start going at very full load and crashed after that i noticed some strange green line on the desktop, i think i have to reduce my overclock mad.gif
post #14069 of 38701
Quote:
Originally Posted by vonalka View Post

Yes mid-80's is safe for reference cards - if it gets into the 90's then you might want to take some action.

That is good to know I have been avoiding voltage increases because I want to keep the card under 70c.
Right now I am at 1055core/1350 memory on stock voltage. I believe the highest temps I have seen are 66 under load and this is in the Texas summer (hit 106Ftoday outside).

I may try to push my 7950 further just so I know how far it can go. Below is my current Heaven score, I am on a Phenom ii x2 which I know is a weak link but I overclocked it from 3.2 to 3.8 to give the card a boost.


Edited by dookiebot - 7/31/12 at 10:00pm
post #14070 of 38701
I actually running 1225/1600@1.287v+20pw and no crashing problem in same condition
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