VIA has released new chipset drivers for in the form of a Hyperion v4.56 release.  Catch them over at VIA Arena.
VIA Hyperion drivers are suitable for any VIA chipset and all Microsoft Windows 32 bit Operating Systems. Please read the information about all VIA chipset driver choices, however, so that you chose the drivers that can best be recommended for your system.

VIA Hyperion 4in1 drivers are suitable for ANY VIA chipset – but they are particularly recommended for KT4## series, P4X4## series and newer, for example:

K7 chipsets: KT400, KT400A, KT600, KT880, KM400, KN400

K8 chipsets: K8T800, K8T800Pro, K8M800, K8T890, K8T890Pro

P4 chipsets: P4X400, P4X400A, PT800, PT880, PM800, PM880, PT880Pro, PT894