1.PCI 32-Bit 33MHz Interface                       
2.Compliant with PCI Specification Revision 2.1   
3.Support PCI Bus-Master Access                   
4.Fully Plug & Play compatible                      
5.Compatible with Standard 16C550 UART with 16-Byte Transmit-Receive FIFO                              
6.Fast data rates up to 1-MBytes/Sec                
7.DB9 serial port connector x 2                    
8.Pin header serial port connector x 2             
9.Driver supported MS Windows 98SE/ME/2000/XP/NT4.0 Server 2003/XP 64-bit/Vista, Linux, DOS