EMPHASIS: A principle of design, it refers to a way of combining the art elements to stress the differences between those elements and to create one or more centers of interest in a work of art.
The Catalyst Software Suite already includes compatible GPU driver - - you don't need to download driver separately, and certainly not a beta one. Leave them alone unless an update fixes a problem you're experiencing or offers new features you absolutely must have.
The two software models-Cisco Catalyst OS, and Cisco IOS Software-on the Cisco Catalyst 6500 Series are not at complete feature parity. The following table presents the Cisco Catalyst OS and Cisco IOS Software support for some of the more commonly used protocols.