Intel BLKDX79SI Product Specification - Page 26
LAN Subsystem
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Intel Desktop Board DX79SI Technical Product Specification 1.10 LAN Subsystem The Intel GbE Dual LAN subsystem consists of the following: • Intel 82579L and Intel 82574L Gigabit Ethernet Controllers (10/100/1000 Mbits/s) • Intel X79 Express Chipset • RJ-45 LAN connectors with integrated status LEDs Additional features of the LAN subsystem include: • CSMA/CD protocol engine • LAN connect interface between the PCH and the LAN controller • Conventional PCI bus power management ⎯ ACPI technology support ⎯ LAN wake capabilities (only the Intel 82579L Gigabit Ethernet Controller supports PXE) • LAN subsystem software For information about LAN software and drivers Refer to http://downloadcenter.intel.com 1.10.1 Intel® 82579L and Intel 82574L Gigabit Ethernet Controllers The Intel 82579L and Intel 82574L Gigabit Ethernet Controllers support the following features: • 10/100/1000 BASE-T IEEE 802.3 compliant • Energy Efficient Ethernet (EEE) IEEE802.3az support [Low Power Idle (LPI) mode] • Dual interconnect between the Integrated LAN Controller and the Physical Layer (PHY): ⎯ PCI Express-based interface for active state operation (S0) state ⎯ SMBUS for host and management traffic (Sx low power state) • Compliant to IEEE 802.3x flow control support • 802.1p and 802.1q • TCP, IP, and UDP checksum offload (for IPv4 and IPv6) • Full device driver compatibility • Provides lower power usage to meet Energy Star 5.0 and ErP specifications 26