"Apple has identified a bug in the driver software for certain ATI graphics chips which can affect a small number of systems when used with Keynote," the company said. "Apple is working on an updated driver which should be available to customers shortly."
Comments
The <a href="http://news.com.com/2100-1040-981953.html?tag=fd_top" target="_blank">story</a> does not list which chips. As far as I can tell, the ATI Mobility Radeon 7500 in the iBook 800 has no problems.