[newbie] Soundproblems ?!?!?

[David Koehler]

Hi,
i have a Creative Labs 128PCI Soundcard, and i want to use it with my RedHat6.0

i used the program /usr/sbin/sndconfig for set up.
but when there is the soundcheck there come the following errormessage:

Device or Ressource "es1370.o" is busy !!!

PLEASE HELP ME

thanks in advance
cu david