hmm, ten PC Wizard jsi vazne zkusil? protoze ten to ukazuje ... a podle webu podporuje KT880:

VIA:
Apollo VP3, MVP3, MVP4
Apollo Pro, Pro+, Pro133A/X/Z
Apollo PLE133, Pro266, Pro266T
KX133, KT133/A, KL133/A, KLE133, KN133
KT266/A, KT333, KN266/A
KT400, KT600
CLE266
P4X266/A, P4M266, P4M266/KM266, P4N266, P4N266/KN266, P4X333, P4X400
PT800, PT880, PT890, KT880, KM400
K8N400, K8M400, K8T800, K8T800 Pro, K8T890

Po spusteni kliknes na Mainboard, a pak na prislusnej BUS - u PCI ukazuje frekvenci primo, u AGP vynasobenou transfer rate (takze me ukazuje 264MHz, coz je 4x 66)