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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1277

post #12761 of 38701
Quote:
Originally Posted by Sniffyy View Post

have a few questions re. 7970s as im considering them for crossfire. i do have a few questions. my roomate used to have them in a trifire setup and had some problems
1. has the monitor sleep bug been fixed in recent drivers? this is kind of important to me, i need to be able to let the monitor shut off
2. i am told the best crossfire driver for a long time was rc11. have drivers improved to the point where newer drivers are an option?
thanks in advance

Beta 12.6 works best for me in Crossfire. Just be sure to disable ULPS as that causes issues in CF. Trifire will have issues as the bus speeds are 8x 8x and 4x , this leads to micro stutter .Most motherboards can't do 8x on 3 Pcie slots.
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post #12762 of 38701
Quote:
Originally Posted by martinhal View Post

Beta 12.6 works best for me in Crossfire. Just be sure to disable ULPS as that causes issues in CF. Trifire will have issues as the bus speeds are 8x 8x and 4x , this leads to micro stutter .Most motherboards can't do 8x on 3 Pcie slots.

i plan on 2 way cf. i have a gigabyte z77 board so i have pcie3 so that shouldnt be a problem.

ulps seems like it'd be useful but if it causes problems then ill disable. so you recommend 12.6 instead of the 12.7 betas? seems like 12.7 has tons of perf increases
post #12763 of 38701
Quote:
Originally Posted by AnToNCheZ View Post

No, I didn't do A fresh Windows install, I did FOUR fresh windows installs. Each with a different driver setup to being with, and countless catalyst option combinations. I just got sick of it. If the problem was the card, being faulty, I wouldn't care. I would send it back and wait. But, when these problems happen with OTHER cards as well, whether they are in my system or in their own (it happened on every instance that I could recreate) then there is something seriously wrong. I tried and tried and tried. I love my Sapphire 7950, best card I have owned, but what good is it to me when the majority of my time is being spent rebuilding my Windows install and testing countless driver builds? I have not tried an Nvidia card since I made the move back to PC, and now I am going to find out what where the issue really lies.

You'll love Nvidia drivers for sure! Never had any problems with my 580's... thumb.gif
Quote:
Originally Posted by Sniffyy View Post

i plan on 2 way cf. i have a gigabyte z77 board so i have pcie3 so that shouldnt be a problem.
ulps seems like it'd be useful but if it causes problems then ill disable. so you recommend 12.6 instead of the 12.7 betas? seems like 12.7 has tons of perf increases

12.6 is WHQL now and works great in CF in my experience...
Edited by Majin SSJ Eric - 7/1/12 at 6:37am
post #12764 of 38701
Quote:
Originally Posted by Sniffyy View Post

i plan on 2 way cf. i have a gigabyte z77 board so i have pcie3 so that shouldnt be a problem.
ulps seems like it'd be useful but if it causes problems then ill disable. so you recommend 12.6 instead of the 12.7 betas? seems like 12.7 has tons of perf increases

I got a Z77 board too and 12.6 seems better to me than 12.7.
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post #12765 of 38701
Thread Starter 

12.7 has been giving me some issues as well it seems. 

I'm getting the occasional freeze/crashing. 

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post #12766 of 38701
For me, Furmark & OCCT (same thing on GPU stress)

My 7950s Core clock travels within 824-900Mhz.. 900Mhz is stock..

Weird, has anyone experienced the same?
Edited by paralogixer - 7/1/12 at 12:33pm
post #12767 of 38701
Has anyone tried Ghost Recon FS? Most bugged game for crossfire and overclocks I've ever seen lol.
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post #12768 of 38701
Is this a good 3D Mark 11 score ?

http://3dmark.com/3dm11/3786964
Edited by martinhal - 7/1/12 at 12:20pm
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post #12769 of 38701
Quote:
Originally Posted by martinhal View Post

Is this a good 3D Mark 11 score ?
http://3dmark.com/3dm11/3786964

Is that in single or crossfire? Seems awesomely high for a single 7900 series...

EDIT: Yeah I just read the whole thing, crossfire! smile.gif Derp
Edited by Expirobo23 - 7/1/12 at 12:26pm
post #12770 of 38701
Quote:
Originally Posted by Expirobo23 View Post

Is that in single or crossfire? Seems awesomely high for a single 7900 series...

Two cards
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