Designed to meet PCI ExpressBase Specification Revision 1.0a Single-lane (or x 1) PCI Exress throughput supports rates of 2.5Gbps Compliant with 10/100/1000 IEEE 82.3 specification LEDs indicate the stats of data transmission Atomatic MDI/MDIX crossover at all speed Support wake on Lan(WOL) power management PXE 2.0 Support(Optional) Feature full duplex mode that doubles the network connection speed Os support windows 2000/xp/server 2003