Product Description
29
1.9 LAN Subsystem
The LAN subsystem consists of the following:
• Intel I217V Gigabit Ethernet Controller (10/100/1000 Mb/s)
• Intel H87 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
®
I217V Gigabit Ethernet Controller
The Intel I217V Gigabit Ethernet Controller supports the following features:
Network Features:
• Compliant with the 1 Gb/s Ethernet 802.3, 802.3u, 802.3z, 802.3ab specifications
• Multi-speed operation: 10/100/1000 Mb/s
• Full-duplex operation at 10/100/1000 Mb/s; Half-duplex operation at 10/100 Mb/s
• Flow control support compliant with the 802.3X specification as well as the specific
operation of asymmetrical flow control defined by 802.3z
• VLAN support compliant with the 802.3q specification
• MAC address filters: perfect match unicast filters, multicast hash filtering,
broadcast filter, and promiscuous mode
Performance Features:
• Configurable receive and transmit data FIFO, programmable in 1 KB increments
• TCP segmentation capability compatible with Windows NT 5.x off-loading features
• Fragmented UDP checksum offload for packet reassembly
• IPv4 and IPv6 checksum offload support (receive, transmit, and TCP segmentation
offload)
• Split header support to eliminate payload copy from user space to host space
• Receive Side Scaling (RSS) with two hardware receive queues
• Supports 9018 bytes of jumbo packets
• Packet buffer size
• LinkSec offload compliant with 802.3ae specification
• TimeSync offload compliant with 802.1as specification
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