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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1510

post #15091 of 38701
12.8 is also what I am using. Just trying to narrow down the cause of my crummy OC'ing.

EDIT: I was able to break 9k marks today w/ my card at 1125/1425, but then crashed when I bumped it to 1150/1450. After I brought it back down to 1125/1425 it crashed again. After a restart I can get back to the 1150, but it sounds like I have a possible software issue/conflict somewhere.
This card on water should be destroying these clocks. confused.gif
Edited by qbical - 8/27/12 at 3:02pm
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post #15092 of 38701
Quote:
Originally Posted by Samurai707 View Post

Quote:
Originally Posted by DerComissar View Post

What pcb does your Sapphire card have? A reference 7950 or 7970 pcb? It's the 7950's with reference 7950 pcb's that have this issue.
A 7950 pcb, it was this card http://www.newegg.com/Product/Product.aspx?Item=N82E16814102989
before they were tagged with Flex stickers on the fans. Two 6 pin PCIE to power. GPUZ reads my VRMs fine. Bought this baby in February, when they came out, from amazon.

Thanks for letting me know which pcb your Sapphire 7950 has. It's good that at least one 7950 with the 7950 pcb can register the vrm temps. I've seen a few posts now where the vrm temps. can't be monitored on some other 7950's.


Quote:
Originally Posted by Imprezzion View Post

Pioneer, i found out that with my accelero with 2 88cfm Scythe Slipstream 1600s strapped to em VRM1 on 1.237v tends to hit 105-110c in severe loads like Sleeping Dogs or indeed Crysis 1 benchmark.

I'm going to buy one of those Swiftech HD7970-HS blocks and dremel it until it fits underneath the Accelero.
It's doable, I did it with mine, although it's an AC Twin Turbo II, not an Accelero. I had to buy an EK copper shim for the gpu die though, which isn't necessary with the Accelero. I did have to dremel out some of the fins on the Swiftech 7950 heatsink to clear it, as well as trimming the AC TTII gpu plate to fit inside the heatsink.
Edited by DerComissar - 8/28/12 at 5:07am
    
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post #15093 of 38701
Odd, for some reason all of a sudden the extended limits stopped working on the second card in crossfire. It used to work. I tried reinstalling afterburner but thats a no go. Trixx works fine.
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post #15094 of 38701
I have discovered that if I turn my fans up to 50% on my 7970 DC2T, not only do my load temps in BF3 sit around 51C. but my VRM temps drop from 101C to 85C. That's a bit better, I think. Still want to get them underwater soon if I can
post #15095 of 38701
Quote:
Originally Posted by Snyderman34 View Post

I have discovered that if I turn my fans up to 50% on my 7970 DC2T, not only do my load temps in BF3 sit around 51C. but my VRM temps drop from 101C to 85C. That's a bit better, I think. Still want to get them underwater soon if I can

Under water with the fan at 0%, my temps sit around 40'C biggrin.gif
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post #15096 of 38701
I think I got lucky with my VRM temps. After hearing some peoples stories about how hot it can get on this forum I finally went to monitor it. After an hour of Anno 2070 (The game that stresses my card the most) my core was 73, but my VRM never went above 78.

Maybe I got lucky or Gigabyte's 7970 Windforce just cools off the VRM better. Just wanted to throw that data out there.
post #15097 of 38701
My Sapphire's Dual-X VRMs are fine as well - I can have the core run at 70-71C and VRMs stay sub 80C at that.
   
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post #15098 of 38701
Lucky, I just found that at stock voltage/core my card throttles with kombustor.. I'm not too happy with this as of right now. I'm highly considering contacting HIS themselves and bringing up this matter. Don't know how far I'll get with it though.

That being said, I'm shipping out my 6850's today! biggrin.gif
 
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post #15099 of 38701
Quote:
Originally Posted by KaRLiToS View Post

Under water with the fan at 0%, my temps sit around 40'C biggrin.gif

Can it you. lol. Water is on my to do list at some point. Thinkin about grabbing a second card first though. Though the second GPU doesn't necessarily need to be WC'd
post #15100 of 38701
Confession - I went from 2 6970s to a GTX680. I've got nothing but driver issues. Can't play BF3 for more than 30 minutes without it crashing and restarting. I think I'm coming back. 7970 all the way.

Save me!
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