Try AC97 wav player for menuet os (VIA chipsets aren't supported )
Supported chips:

# Intel 82801AA
# Intel 82801AB
# Intel 82801BA
# Intel 82801CA
# Intel 82801DB
# Intel 82443MX
# SiS SI7012
# NVIDIA NFORCE
# NVIDIA NFORCE2
# AMD AMD8111
# AMD AMD768

www.corbina.ru/~poddubny
Author: Ivan Poddubny
To try you need
1. http://www.corbina.ru/~poddubny/kernel.7z
2. http://www.corbina.ru/~poddubny/ac97.7z
3. wav file %-)