Fully Compliant with PCI-e Base Specification, Revision 1.0aPCI-e Multi Function Peripheral Controller with x1 Lane InterfaceSupport for D1, D2, D3hot and D3coldUtilizes 100-Mhz Differential PCI-e Common Reference ClockSupports PCI-e Power ManagementSerial Port:2 16c450/550/Extended 550 Compatible UARTsSupports RS232 ModesBi-directional Speeds from 50bps to 16Mbps/PortFull Serial Modem ControlSupports Hardware, Software Flow Control5, 6, 7, 8 and 9-bit Serial Format SupportSupport MODEM Modem Signals CTS, DSR, RI, DCD, the DTR, RTS, Convert RS232 LevelEven, Odd, None, Space & Mark Parity SupportedCustom BAUD Rates Supported with External Clock or by Programming Internal PLLOn Chip 256 Byte Depth FIFOs in Transmit, Receive Path of Each Serial PortSupport Remote Wakeup and Power management FeaturesSerial Port Transceiver Shutdown SupportSupport Slow IrDA on all Serial PortsIEEE1284 Parallel Port:Multi-mode IEEE 1284 Compliant COntroller (SPP, Nibble, Byte, PS/2, EPP, ECP)Faster Data Rates up to 1.5Mbps for Parallel Port