On 8/18/10, Al Grappone <algrappone at comcast.net> wrote: > On Aug 18, 2010, at 3:04, Eugene wrote: > >> AFAIK, all USB ports stay powered when a Mac is in sleep mode. > > Mine does not See <http://support.apple.com/kb/HT4049> for more information, especially this: "If your Apple computer or display is asleep, all ports will provide a maximum of 500 mA at 5 V." Also, <http://docs.info.apple.com/article.html?path=Mac/10.6/en/8317.html>