Ok, here's the 4th iteration of the patch. It includes John Steele Scott fixes for cpufreq and the sound driver and fixes a problem where memory refresh wouldn't properly be re-enabled on the video chip upon wakeup. I also cleaned a bit more the MDLL reset code for r300, plus a couple of other things. http://gate.crashing.org/~benh/albook-ibookg4-sleep-4.diff Ben.