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Catalyst A.I Problems with Crossfire

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shaneire   08-20-2008 at 01:41:26 PM

I have two HD4870s in Crossfire, and I seem to be having problems with Catalyst A.I on both 8.6 & 8.7 drivers.
Now it tells me to keep AI settings in standard not advancded when using Crossfire, so of course I do that.

But when I have it in standard all my games have texture problems, it just seems the textures have not loaded(Its as if I have all game settings set to very very low texture wise, everything is blurred if you get me). Its in all games I play so obviously its the cards and very annoying. So I set A.I to disabled and then the games load the textures fine, but then I get performace issues I seem to get lag in some games I know I really shouldnt, and when using 3Dmark '06 I go from 18,000 when on catayst standard to 14,500 when A.I is disabled.

I'm just wondering is this a well known error, or is it just me.
Any help would be great.

thanks...


(oh and I've tried 8.6 and 8.7 drivers, so its not that)

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georgy   08-20-2008 at 02:05:12 PM
- 0 +

From another forum:

Disable Crossfire in CCC Panel and see if it still does it.

If it doesnt, then its the Crossfire having a heart attack due to the older chipset and restrictions. I went from a P965 to a X48-DS4 with 3870's (and then with 4870's) and the difference was huge.

Crysis plays 1920*1200 at Very High DX10 vista at about 23-27FPS but HIGH manages 35-40fps with Crossfire Enabled with x4870's on a X48-DS4, with the P965 you are better off with ONE and not Crossfire thats for sure IMO.

http://forums.overclockers.com.au/ [...] ?p=9218813

Reply to georgy
shaneire   08-20-2008 at 04:52:21 PM
- 0 +

Well I have a P45 board, and a 1000w PSU so I dont think thats the problem.

Reply to shaneire
strangestranger   08-20-2008 at 07:50:02 PM
- 0 +

afaik, disabling catalyst A.I, disables crossfire, when using crossfire, i believe you have to have it set to advanced. however, i am not sure what happens with the x2 as i have not bought one yet.

------------------------------ I'm a git, deal with it.

Antec 1200,PC Power & Cooling 750,Gigabyte DS4-x48,Intel Q9550@3.4 W/Xigmatek S1283,8GB OCZ DDR2 800,ATI 4870X2,X-FI>CA 640C amp>Tannoy R300/Senn 595's
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