I have an 8-port Byterunner card (PCI-800H-CB) and it works perfectly. http://www.byterunner.com/byterunner/new_frontpage=serial_parallel_cards 73 - jeff wk6i -- Jeff Stai jds at twistedoak.com Twisted Oak Winery http://www.twistedoak.com/ Winery Blog http://www.elbloggotorcido.com/