By off, I mean the IC check box is unchecked. I'm in the Firefly render settings. I don't know what "D3D" stands for. The slider behind the check box was set to 32.

I'll test SR2 tommorow to determine if there is actually a difference in render times on my system.

Download my free stuff here: http://www.renderosity.com/homepage.php?page=2&userid=323368