Can't really offer much advice, but I can tell you that the use of a Supercap for the RTC in the Xbox is a major PIA! Why Microsoft didn't just go with a Lithium cell is beyond me... -marc -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads