Full x1 PCI Express Throughput, 250Mbytes/sec2 RS232 and 1 Parallel Ports over an Octopus CableSupports 1 SPP/EPP/ECP Parallel Port Mode2 Fully 16C550 High performance UART channelsUARTs Fully Compatible with all Serial DevicesProvides 5V or 12V Power over Serial ConnectorsSupports Hardware and Software Flow ControlSupports Slow IrDA on All Serial PortsSupports Low Profile Form Factor with a Short Bracket