> when I have it on the power adaptor the pismo decides to go to sleep > every 5 minutes. I had a quick look at the documentation but I am > hoping someone else might have been down this track before me :) You wouldn't happen to be running both apm and pmud, would you? At one point either my Wallstreet or my iBook was doing this same thing, and tossing apmd fixed the problem. But this was years ago, so they may coexist fine these days.