Before connecting up the Atmel AVR ONE! for the first time, be sure to install the USB driver on the host computer. This is done automatically when installing the front-end software provided free by Atmel. See www.atmel.com for further information or to download the latest front-end software.
The AVR ONE! must be connected to an available USB port on the host computer using the USB cable provided. The AVR ONE! contains a USB 2.0 compliant controller, and can operate in both full-speed (Note: restrictions apply, see Known issues) and high-speed modes, although the streaming trace feature is not available when operating at only full-speed. For best results, connect the AVR ONE! directly to the host computer (not via external hubs) and use a USB 2.0 high-speed certified cable (provided).