Exactly, if the device requires a 2.0 (powered) bus it will overdraw the 1.1 and auto-reboot the system. Happened to me when I put my Logisys Bay Device with USB 2.0 on my old gateway with USB 1.1. locked up the system.
Check to see what the headers are rated at on your board - It's a new board and should have USB 2.0 but you never know...