Cables Unlimited 2 Serial and 1 Parallel -Port PCI Express Card (IOC2750) Compliant with PCI Express Base Specification 1.0a Compatible with standard serial 16C550 UART with 16 byte transmit-receive FIFO Compatible with IEEE 1294 parallel specifications Netmos 9835 Chipset. DB9 Serial port connectors x 2 and DB25 Parallel connectors x 1