Help w/opengl settings for gforce256

I’m not very familiar with opengl settings and what they are. I have these options listed for my card but do not know what exactly each one does. Can anyone help me and let me know what each setting is for and what is the optimal ones to use? Thanks

  1. Enable buffering region extension
  2. Allow the dual planes extension to use local video memory
  3. Use fast linear-mipmap-linear filtering
  4. Enable anisotropic filtering
  5. Enable alternate depth buffering technique
  6. Disable support for enhanced CPU instruction sets
  7. Enable full scene antialiasing

PC 800mhz
128 Ram
Win 98
gforce 256