The Intel® 82550 Fast Ethernet Multifunction PCI/CardBus Controller is a third-generation, fully integrated, Fast Ethernet Media Access Controller (MAC)/Physical Layer (PHY) device. The MAC offers a low-cost, high-performance 10/100Mbps LAN solution. In addition, the 82550 requires low real estate, which is important when competing for precious board space. The 82550’s baseline functionality is equivalent to that of the 82559 with the addition of an integrated IP Security (IPSec) encryption engine and Alert on LAN* 2 functionality