OpenGL 1.1 support on the newest Graphics Cards.

Hi
Our design application uses OpenGL 1.1

A customer has changed to use the GTX 460M (OpenGL 4.1), and since then our OpenGL 1.1 application will no longer initialise.

We wondered if the new GTX 460M card requires us, the developer, to send a request to the card to specifically use 1.1?

Thanks