Please restore the old ati-drivers-8.13.4. By now, it's the only release which correctly support ATI RADEON Xpress 200M... Reproducible: Always Steps to Reproduce: 1. 2. 3.
http://www.gentoo.org/cgi-bin/viewcvs.cgi/media-video/ati-drivers/ati-drivers-8.13.4.ebuild?rev=1.1&view=markup
Please try the 8.16.20-r1 it should work fine for igp/Xpress systems. (reopen if I'm wrong)
You right! I was finally able to use the updated driver. Thanks!
Closing then