radeon 9800 se family graphics cards can not be OpenGl?

I have this card to play cs, entered the game found that does not support OpenGl! ?

In that case, (1) The graphics are not playing a game of OpenGl to use?

there, (2) OpenGl with 3D Where is the difference between, respectively, with I would like to not only one of the points

issue 1:9800 SE support OpenGL, and you have a graphics driver issue.
Question 2:operating system and application software (including games) do not need to know what is the use of computer graphics, just call OPENGL or D3D provided by the interface functions and features will be able to achieve the display, this division of labor, very Reducing the large software development cycle and cost.Such as the need to draw on display in a three-dimensional cube, do not have procedures for staff of different graphics cards to write large section of the code, just call or OPENGL a D3D function and a number of Related parameters given by them to be able to complete this matter has been.OPENGL and although the nature of D3D, but it is two different standards.To drive home the next graphics driver on a trip I like!