Disable ATI Zero Core feature

Hi, I have a Asus 290X and a XFX 290X2 with the water cooler. I can only get them to work in my desktop system is if the Asus 290X is the primary card. The Zero Core feature turns off the XFX 290X. The problem is when I start a game it trys to turns on and the computer locks. Is there anyway to disable the Zero Core feature. Thanks.

David

You can disable ULPS (Ultra-Low Power State) through the registry or you can use MSI Afterburner and disable ULPS in the settings tab. Either way once it's disabled you will need to reboot the system for the changes to take place. Uninstalling / Reinstalling the drivers will enable this feature. You will have to manually disable it after installing new drivers. Hope this helps.