... Auto-NegotiationSupports IEEE802.1P,IEEE802.1Q VLAN tagSupports ACPI,PCI power managementContain two large independent receive and transmit FIFosOne ... 802.3ab 1000Base-TProtocolCSMA/CDPCI Bus32-bit 33/66MHz PCI BusPortOne 10M/100M/1000M STP/UTP portLED IndicatorsOne ... ME,Windows 2000,Windows NT,Windows XP,Windows Vista, LinuxSafety & EmissionFCC, CE 10/100/1000M PCI Network Card with Realtek chipset