VIA Hyperion Pro 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, K8M890, K8N800, K8N890, K8T890, K8T890Pro, K8T900
P4 chipsets: P4X400, P4X400A, PT800, PT880, PM800, PN800, PM880, PN880, PT880Pro, PT894, P4M800/Pro/CE, P4M900, PT890
C Series Chipsets: CN700, CN400, CLE266, CX700,CX700M, CX700M2, CN800, CN896
V Series Chipsets: VN800, VX700, VN896

Supported Operating Systems:

Windows Server 2003 x64, Windows ME, Windows 98SE, Windows 98, Windows XP, Windows XP 64-Bit, Windows 2000, Windows NT, Windows Vista 32-Bit, Windows Vista 64-Bit

Alternative drivers to VIA Hyperion Pro Driver Package 5.15A: