VIA Tech has released new drivers for the internal AC97 sound in their chipsets i.e. south bridges VT686A, VT686B, VT8231, VT8233, VT8233A, VT8233C and VT8235. The version carries the 3.70a number and works on Windows 9x/ME/2K/XP. More infos: Release Notes
Download VIA Audio drivers 3.70a for Windows
Source and download mirror: SavageNews