StarTech.com 1 Port PCI RS232 Serial Adapter Card with 16550 UART PCI1S550
The 1port Professional Pci Serialexcelerator Card gives you one serial port for connecting any new or old serial peripheral, with data transfer rates of up to 920 Kbits/sec. Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more, to your system.  Installation is a breeze with support for Windows XP, ME, 2000, 98, 95, NT4, 3.1, DOS and Linux. Plus, IRQ sharing and a PCI plug and play interface, guarantee convenient, hassle-free connections. Backed by StarTech.com’s lifetime warranty and FREE LIFETIME tech support.