Netelligent 10/100TX PCI Embedded UTP/AUI Controller: Features: Industry's first high-performance dual 10/100Base-TX controller tuned for Pentium Pro server applications. It is fully compliant with the PCI specification 2.0. It Supports full-duplex Ethernet. This product supports auto-negotiation at the physical layer to determine the network speed of the connected devices. Bracket Mounted LEDs. It supports Compaq Advanced Network Fault Detection and Correction feature.