VIA/S3 released some new drivers for their integrated OnBoard VGA chipsets :
New VIA CLE266 drivers for Win9x + W2K + XP
New S3 Pro Savage DDR W2K/XP drivers for VIA KM266/P4M266 and newer chipsets
Read More for Links ... Instructions to find out which S3 driver you need for your integrated OnBoard VGA from VIA