Radeon Enabler patches the ATI Displays application to allow it to recognize some OEM video cards. Once recognized, additional features like the OpenGL/3D overrides are "unlocked" and will function as if you have a retail card.
Radeon Enabler supports the following video cards:
If you have already used a previous version of Radeon Enabler, you must reinstall the ATI Radeon Displays package before you can use a newer version of Radeon Enabler. Radeon Enabler will only recognize an original, unpatched installation.