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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1329

post #13281 of 38701
1.5V is easy enough, but then cooling it can be a challenge.... 1.5V is extreme cooling country.
    
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post #13282 of 38701
Quote:
Originally Posted by Samurai707 View Post

I've heard nothing but good things about the Sapphire 7950s (Including my own from personal experience, the first non-ref edition thumb.gif ). I would say you can't go wrong there... I ordered an ASUS DC2 7950 open box from the egg last night so I'll have more to add personally soon, however, I did read before that people were having issues with the VRMs heating up (don't remember if that was 7970 only...) and whether or not the voltage is locked for the 50s like the 70s are.
tl;dr, Sapphires seem to be really desirable due to their performance, currently.
The HD 7950 DCII has a problem with cooler fixed to the GPU too light, some samples are affected on stock speed some not, mine can run on stock without hitch, but when i overvolt it goes like crazy with temps, but i fixed with zip tie.thumb.gif
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post #13283 of 38701
Is there a point in getting a OC version? Can't i get the normal one and clock it? Is there a difference in the fans of the SAPPHIRE HD7950 and SAPPHIRE HD7950 OC?
post #13284 of 38701
Quote:
Originally Posted by KingG14 View Post

I just downlaoded the 7970 GHZ bios to flash my msi 7970 oc and it failed my card freezed after a sleep and never booted again so i switched to the second bios and reflashed the card,again epic fail mad.gif,so please can anyone tell me how can i restore my original bios are there any methods to restore the bios if both bios are messed up.

You cannot flash both bios, only one. One is writable, one is not.

Quote:
Originally Posted by tsm106 View Post

1250 is easy not too difficult with current yields. Just max the voltage. Your cards will never actually hit 1.3v. Most you can hope for is 1.28v on the lowest asic card, and you'll be praying for more volts on your high asic cards.

Use sapphire trixx, set to 1.38v, you will draw more than 1.3v.
post #13285 of 38701
Someone (sorry I couldn't find who, I looked but couldn't find the post) said I needed to apply more voltage via MSI afterburner. I tried this out and have a fairly stable OC going with 1250mV at 1250/1600. Pretty pleased with that. Idle its around 25 degrees, load about 65.
post #13286 of 38701
Hey, just got my msi 7950 yesterday, but it seems it is not stable at 1ghz (1575 mhz on the memory), should I return this card ?
I heard that most of the 7950 can achieve that overclock with stock voltages.

edit : I dont want to increase voltage because it is a reference card.
Edited by mat311 - 7/13/12 at 4:19am
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post #13287 of 38701
Quote:
Originally Posted by mat311 View Post

Hey, just got my msi 7950 yesterday, but it seems it is not stable at 1ghz (1575 mhz on the memory), should I return this card ?
I heard that most of the 7950 can achieve that overclock with stock voltages.
edit : I dont want to increase voltage because it is a reference card.

Almost all of us are using reference cards. All of us are using more voltage and it's completely fine. The only time you want to stop adding extra voltage is if you can't cope with the heat. I'd say stay under 78c max load while running games and you'll be fine. I run 2 reference cards and I use an overclock of 1200/1600 with 1.200v/1.631v core/mem.
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post #13288 of 38701
Quote:
Originally Posted by mat311 View Post

Hey, just got my msi 7950 yesterday, but it seems it is not stable at 1ghz (1575 mhz on the memory), should I return this card ?
I heard that most of the 7950 can achieve that overclock with stock voltages.
edit : I dont want to increase voltage because it is a reference card.

you could try a slight voltage increase of .025V - 0.050V for the GPU. See if the card is stable. Also try running memory at lower speeds like 1400 - 1450 Mhz.
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post #13289 of 38701
I'm curious if anyone has tried playing Diablo 3 with the new 12.7 beta? I would like to hear your experience thumb.gif
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post #13290 of 38701
any1 tested 12.7 in GW2? i know to last BWE gw2 wasn;'t fully optimized for GPU usage but anyway...?
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