No Sound On Windows 98 I DOnt get it Please Help

hello i have a ACER, Quadcore, Workstation 3 GB, VISTA. But i cant play old
games to play old games i need Windows 98 on Virtual pc 2007. I instal the
Windows on virtual pc every this is ok and the sound but i dont hear any
sound its says sound plaster 16 of something like that here are some
screenshots form the system: http://i30.tinypic.com/npnd6w.jpg
http://i27.tinypic.com/2mgnxqo.jpg
i do not realy get this, please help !!

You do want to play some DOS-based games in your virtual Win98?

You need to install and configure a DOS-driver for the emulated
soundcard in Win98. Google for "SB16 DOS driver". Good luck!