Direct X Media

 

https://web.archive.org/web/20001109112200/http://www.microsoft.com/DirectX/dxm/default_downlevel.htm

https://web.archive.org/web/20001115093000/http://www.microsoft.com/directx/dxm/help/da/c-frame.htm#default.htm

https://web.archive.org/web/20001109121800/http://www.microsoft.com/DirectX/dxm/help/ds/c-frame.htm#default.htm

https://web.archive.org/web/20001019080438/http://www.microsoft.com/directx/dxm/help/dxt/c-frame.htm#default.htm

https://web.archive.org/web/20001017184714/http://www.microsoft.com/DirectX/dxm/help/d3drm/c-frame.htm#default.htm