MSI have released some new WHQL passed drivers for

All VIA VT8233 southbridge motherboards K7T266 Pro (MS-6380), K7T266 Pro2 (MS-6380 Ver2.0)
and
All VIA 686A/686B based chipset mainboards MS-6309, MS-6321, MS-6330 Series, MS-6341, MS-6347

All VIA 686A/686B based chipset mainboards

VIA 686 sound driver for Windows 9x / ME / 2000 / NT / XP Fix DXDIAG of DX8 testing for hardwate accelerator no sound issue.-WHQL Pass. Date 01 / 16 / 2002
For use only with VIA 686A/686B southbridge motherboards

All VIA VT8233 southbridge motherboards

VIA 8233 sound driver for Windows 9x / ME / 2000 / NT / XP Support VIA8233/8233A. WHQL Pass. Date 01 / 16 / 2002
For use only with VIA VT8233 southbridge motherboards