http://hobbes.nmsu.edu/cgi-bin/h-search?key=danis506r172
"Danis506 is an IBM1S506 replacement, supports Intel, VIA, Ali, SiS, CMD, Promise, Cyrix, HPT, AMD, Artop, SMSC, ServerWorks, Opti, Nvidia, NatSemi, SiliconImage, ITE, ATI, and NetCell chips, SerialATA, disk capacities up to 2TiB, V1.7.2"