If you want to change the graphics settings then you need to select X configuration. For sound select the Sound card configuration. If you do not want to run the setup utility you can run the configuration programs from the shell using these two commands:
Sometimes the sound configuration does strange things when it probes. If this is the case with your sound card then you might want to use the noprobe option:
bash# sndconfig --noprobe
Once you have the configuration done you are ready to use the multimedia capabilities of your machine.