Intel Desktop Board DZ77GA-70K Technical Product Specification
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1.9 LAN Subsystem
The two LAN subsystems consists of the following:
• Intel 82579 Gigabit Ethernet Controller and Intel 82574 Gigabit Ethernet Controller
(10/100/1000 Mb/s)
• Intel Z77 Express Chipset
• RJ-45 LAN connector 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
• LAN subsystem software
For information about Refer to
LAN software and drivers http://downloadcenter.intel.com
1.9.1 Intel
®
82579 Gigabit Ethernet Controller and
Intel
®
82574 Gigabit Ethernet Controller
The Ethernet Controllers supports 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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