Graphics improvements (aka rendering effects) such as advmame2x, advmame3x, advinterp2x, interp2x, stop working with my copy of Pinball Fantasies after the intro. During the intro the image improvements are pretty visible, then, I think, there must be some resolution change and ...Puff! It switches to "regular" normal2x.
Besides that, the tables run perfectly. I'd like to know if that's just my problem, and, just for curiosity's sake, what makes the rendering effects disappear.

ATI Radeon 7000 AGP 64MB
AMD Athlon(TM) XP 2400+ 1.99 GHz
512MB RAM
Microsoft Windows XP Professional SP2