Fan-out Cable design gives more room for device connectors. Ports: 2x Serial Ports. MCS9901 Chipset. PCI-e Based True Serial Port. Complies with PCI-Express Specification Rev 1.0a. Complies to Expresscard/34 Standard Running on PCI-e Interface. Supports Plug and Play and Hot Plug Feature. Compatible with Industrial Standard 16C450/16C550 UART. On Chip 256-byte FIFO in Transmit and Receive Path of Each Port. Data Transfer Rate up to 250Kbps (2.5Gbps) on Each Port. Support Hardware and Software Flow Control. Supports 5-, 6-,7-,8-bit Serial Format. Supports Even, Odd, None, Space and Mark Parity. Supports 1 or 2 Stop Bit Operation. Software Requirement:. Windows 7. Vista 3-2/64-bit. Windows XP 3-2/64-bit. Windows 2000. Server 2003 3-2/64-bit. Server 2008 3-2/64-bit. Laptop Computer with Expresscard 34mm Slot.