StarTech's PCI2S1P card is an easy way to add serial and parallel ports to your system. This easy to install card has PCI IRQ sharing to help eliminate conflicts. With drivers included for Microsoft operating systems since Win95, Linux and DOS installation and setup is fast and easy. The high speed controller chip enables data transfer speeds faster than you get with built in ports. Serial speeds of up to 920Kbps and parallel speeds of up to 1.5Mbps help increase your productivity. Type: PCI to Parallel / Serial Port Card External Ports: 1 - DB25 Female 2 - DB9 Male Data Transfer Rate: Serial Data Transfer Rate: Up to 920 Kbits/sec. Parallel Data Transfer Rate: Up to 1.5 Mbits/sec. Operating Systems Supported: Windows 95/98/NT4/ME/2000/XP/Server 2003, DOS and Linux Dimensions: 4.7" x 2.2" Weight: 0.49 lbs.(include package) Features: Compatible with all versions of Windows including Windows XP IRQ sharing eliminates conflicts between multiple cards Parallel port supports EPP, ECP, SPP and BPP