This 2 Port 16550 Serial Card can be installed in a PCI slot to add two serial ports - a cost-effective solution for connecting any new serial device or old legacy serial device, with data transfer rates of up to 115.2 Kbps. The serial card features a low profile bracket, suitable for installation in low profile/small form factor computer cases.Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more, to your system, the adapter card supports IRQ sharing and operates flawlessly with Windows XP, Server 2003, 2000, ME, 98, 95, NT4, 3.1, DOS and Linux.