Bus Type: 32 Bit PCI Card Connector: 44 Way D Female Adapter Cable: 44 Way D Male to 2 x 9 Way D Male + 1 x 25 Way D Female Software Compatibility: Windows ME/2000/XP/ Vista/ Windows 7/ Server 2003, Linux 2 Year Warranty Serial Port: Speed: Up to 921 Kbit/sec Plug & Play Parallel Port: Speed: Up to 2.0 M Byte/sec Plug & Play