Fast Ethernet Adapter Compliant with IEEE802.3 10BASE-T, IEEE 802.3u 100BASE-TX standards 32-bit bus master for high throughput and low CPU utilization Comply with PCI Local Bus reversion 2.0/2.1 specification Full-duplex operation at both 10 Mbps and 100 Mbps Support 10/100 Mbps auto-sensing capability Three status LED mounted on bracket for easily viewing and troubleshooting Single shield RJ45 connector for using at either speed (Category 3, 4, or 5 UTP cable for 10 Mbps Operation, and Category 5 UTP cable for 100 Mbps Operation) Support all popular PC network operating systems Plug and Play Installation, jumper-less board with software configuration program FCC, CE Certification Wake-on-LAN Chipset RTL8139