I use a couple of external eSata drives (Seagate FreeAgent Xtreme). When they start out plugged into the computer, there is never an issue with them showing up in Windows Explorer. However, if I want to hook them up or move them once the computer is running, I sometimes have issues. After a little research, I found that while Firewire and USB are fully plug-n-play, eSata is not. This does not