Intel Desktop Board DX79SI Technical Product Specification
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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 Refer to
LAN software and drivers 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
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