Detailed Product Description 56Kbps Internal PCI software Modem card 56Kbps Data/Fax function Support V.92,V.90,V.34,V.32bis, V.32,V.22bis,V.22 protocol Support ITU T V.17,V.29 Fax mode PCI interface,Support PNP Operation systemWindows 9x/Me Windows NT/2000/XPLINUX