Bus Interface: PCI v2.2, 32/64-bit, 33/66MHz. Connectors: (x1) RJ-45. OS Supports: Supports ODI, NDIS, Windows 98/98SE/ME/2000/XP/NT 4.0, UNIX and Linux, Windows 7 32/64 bit. Features: Compliant to IEEE802.3, IEEE802.3u and IEEE802.3ab. Supports for IEEE802.3x Full Duplex flow control. Supports IEEE 802.1Q Virtual LAN (VLAN) Tag. Compliant to PC97, PC98, PC99 and PC2001 standards. Auto-Negotiation supports for Auto-Detect 10/100/1000Mbps data rate and Full/Half-Duplex operation mode. Support ACPI and PCI power management. Support Boot ROM function (optional). Support Wake on Lan function.