I don't know if you can do RealView with a Radeon card. But to address the software OGL setting, you can't change it if you have a document open. Or if SW determines that your graphics system can't handle the load, then you will see it checked and greyed out.
WT
I'v got a Dell Inspiron with ATI Mobility Radeon X1400 but my RealView
> Graphics button is greyed out. If I go into Tools, Options, Performance
> the option to Software Render Open GL is also greyed out. Any ideas? >
> - Brian
>