802.3 10BASE-T/802.3u 100Base-TX standard Auto-detection of 10Mbps and 100Mbps network speeds Supports 802.1x function (MD5 only) and 802.3x Flow Control 32-bit PCI Local Bus Master high-speed operation Complies with Advanced Configuration and Power Complies with PCI Power Management v.1.1 On-board FIFO buffer. no external memory on host required