> Hita, > > I have a 500GB FW drive that I'd like to use for backups (both Mac & > WinXP). > > I have a few questions tho... > > Can one Mac partition be used by Time Machine on multiple Macs or is > it supposed to be for one Mac only? I'll answer this one... yes, Time Machine can use a single Mac partition to backup multiple Macs. I have a 1T drive with only one partition, and use it to backup three Macs. I'll leave the PC backup questions to others. Mike