Also, make sure you set the max_usb_current setting to 1 to provide more juice to the ports (see: http://raspberrypi.stackexchange.com/q/27708 http://raspberryp

Also, make sure you set the max_usb_current setting to 1 to provide more juice to the ports (see: http://raspberrypi.stackexchange.com/q/27708 http://raspberrypi.stackexchange.com/q/27708).