PCI-E 1PARALLEL PORT Single-Lane (1x) PCI-Express with transfer rate 2.5 Gb/s Full Duplex channel Compliant with PCI-Exptrss Revision 1.0a Support Plug and Play SPP. PS2, EPP, ECP Compatible IEEE 12B4 Printer Port Fast Data Rates up to 1.5 MBytes/sec Built-in 16 Byte FIFO Driver support for MS Windows 98SE / Me / NT4.0 / 2000 Xp / Server 2003 / Vista, Linux, DOS CHIPS : MOS CHIP 9805