Add 2 high speed rs 232 serial ports to your low profilesmall form factor computer with a pci expansion slotr r compatible with any pc running windows dos or linux for simple integration into your applicationr data transfer rates of up to 115 kbps for peak serial device performancer r 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