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 Al Grappone (87) USN Ret 20" iMac OS X 10.5.8 2. 1 GHz ,PPCG5. 1GB DDFR2 SDram memory, Mail 3.6, iTunes9.2 iLife9 Quicken2007 16.0.0, Epson Perfection 2450 Photo Scanner, Canon iP5200 Photo Printer,Netgear Wireless-N router