Technical Information: Fully Compliant with PCI-e Base Specification, Revision 1.0a PCI-e Multi Function Peripheral Controller with x1 Lane Interface Support for D1, D2, D3hot and D3cold Utilizes 100-Mhz Differential PCI-e Common Reference Clock Supports PCI-e Power Management Serial Port: 2 16c450/550/Extended 550 Compatible UARTs Supports RS232 Modes Bi-directional Speeds from 50bps to 16Mbps/Port Full Serial Modem Control Supports Hardware, Software Flow Control 5, 6, 7, 8 and 9-bit Serial Format Support Support MODEM Modem Signals CTS, DSR, RI, DCD, the DTR, RTS, Convert RS232 Level Even, Odd, None, Space & Mark Parity Supported Custom BAUD Rates Supported with External Clock or by Programming Internal PLL On Chip 256 Byte Depth FIFOs in Transmit, Receive Path of Each Serial Port Support Remote Wakeup and Power management Features Serial Port Transceiver Shutdown Support Support Slow IrDA on all Serial Ports IEEE1284 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