from everest:
North Bridge: VIA VT82C694X/T Apollo Pro133A/T
South Bridge: VIA VT82C686B
Audio Controller Type: VIA 686A/686B/8231
Codec Name: Realtek ALC101
dmame/pp - ok with sbpro emulation
advmame - ok with sbpro emulation and internal "device_sound vsync/ac97" drivers.
wolf3d, other dos games - ok with sbpro emu
attached are my bootfiles: