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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1599

post #15981 of 38701
Quote:
Originally Posted by s0up2up View Post

Yeah I would say that it's too high. So it's completely unstable anywhere below 1200+ vddc?

Yeah at anything above 1050Mhz it becomes unstable without really high vddc - The game locks up for abit, I minimize and then find out the display driver has crashed. I maximize the game again and theres artifacts flying all over. Then my computer requires a reboot to get those artifacts to go away
post #15982 of 38701
Got monitor 2 of three. My cards don't like to downclock the memory now that I have a 2nd monitor. I don't know what's doing it, so I just set up a custom profile for the desktop with super low clocks and just run that, and then swap back to my OC for gaming. A tad tedious, but it works.
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post #15983 of 38701
Quote:
Originally Posted by KaRLiToS View Post

Its a freeze or "hardlock" which only a hard reset or hard reboot can get you out of the annoying freeze with 2ms sound loop.
Check at 0:43

For some reason the video won't load headscratch.gif
Edited by PcG_AmD - 9/20/12 at 8:21am
 
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post #15984 of 38701
Quote:
Originally Posted by KaRLiToS View Post

Its a freeze or "hardlock" which only a hard reset or hard reboot can get you out of the annoying freeze with 2ms sound loop.
Check at 0:43

I get that annoying freeze with 2ms sound loop.

Only happens it seems either when I have vent on, youtube on, coaxial digital music out on, dx10 games on. Which's like all the time.
post #15985 of 38701
Quote:
Originally Posted by MarlowXim View Post

Anyone measure the Tahiti XTs die size? Trying to get a shim made for it.
In press releases it's 352mm^2, so roughly ~18.76mm x 18.76mm but in reviews it's 365mm^2 ~19.1mm x 19.1 mm.
The chip itself is 365mm^5, but transistors cover only 352mm^2.
Quote:
Originally Posted by PcG_AmD View Post

For some reason the video won't load headscratch.gif
Here is the url
http://www.youtube.com/watch?v=ZNE0qyyiZE8
post #15986 of 38701
Quote:
Originally Posted by gamesandstuffs View Post

Quick question, I'm overclocking my 7950 Vapor-X Sapphire OC card but to get it stable at 1100/1300 I need it up at 1200+ vddc
But in doing so, the VRAM temps get to around 85-90c
I assume thats too high? Is it?

That's definitely high.With my sapphire 7950 OC dual x I can reach 1200mhz with only 1175mv(1156 stock) and I get max temps of 76c.
It was surprising to me really because when I got it I had read that you needed at least 1237mv to get it stable at 1150mhz but for some reason for my card that's worse!.
If I set the voltage to 1200mv or higher then the temps go as high as 82c and then it crashes after a few minutes.

Try setting the voltage to around 1185-1190 and test it.
Also with my dual x I have to set the fans to at least 90% to get the temps below 75c.I don't know about the vapor x.
 
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post #15987 of 38701
Quote:
Originally Posted by gregoryH View Post

The chip itself is 365mm^5, but transistors cover only 352mm^2.
Here is the url
http://www.youtube.com/watch?v=ZNE0qyyiZE8

Thanks Yeah I've just watched it's amazing I would kill myself If I had that system and it wouldn't work! I mean 4x7970's all of that watercooling I would kill to get a system like that(I will have someting like that someday when I graduate:p)

Karlitos have you tried running previous drivers and the beta of 12.9 and still nothing?
 
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post #15988 of 38701
So, I've got an odd issue here. I have both cards flashed to the GHz BIOS. However, when I switch both cards to the GHz BIOS, I get an "AMD cannot detect drivers or drivers aren't functioning properly" error message. I tried uninstalling and reinstalling CCC, but had no luck. It isn't a HUGE deal that I get it working, but it'd be nice. Anybody have any suggestions?
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post #15989 of 38701
Quote:
Originally Posted by PcG_AmD View Post

Thanks Yeah I've just watched it's amazing I would kill myself If I had that system and it wouldn't work! I mean 4x7970's all of that watercooling I would kill to get a system like that(I will have someting like that someday when I graduate:p)
Karlitos have you tried running previous drivers and the beta of 12.9 and still nothing?

I have tried everything and nothing works. The only thing that works is drinking many many beers then I forget about it, but when I wake up the next morning, the damn problem is still there.

Annoying issue.

I have been playing Borderlands 2 the whole morning, more than 4 hours in Quadfire but single screen and I have no issue. But as soon as I try to play eyefinity, I can only play few minutes until I get the DAMN LOCKUPS.
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post #15990 of 38701








Good, now look this review:

http://www.geeks3d.com/20120502/physx-test-gtx-680-vs-gtx-580-vs-gtx-480-in-fluidmark/
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