Specification:
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