The VIA Rhine product family comprises 10/100Mbps Ethernet Network Interface Card(NIC) controllers for the PCI bus interface, compliant with the PCI 2.0/2.1/2.2 specifications. Supporting dynamic media speeds and major network operation system device drivers with a standard 100 Mbit MII interface, the VIA Rhine controllers can be configured to 10Base-T, 100Base-TX and 100Base-FX devices at full or half duplex operation, with PCI plug-and-play compatibility, a high performance PCI bus mastering structure and powerful buffer management features,