I211-AT Datasheet, PDF (4/5 Pages) Intel Corporation – Low-power, small-footprint, single-port gigabit network connectivity with advanced performance features.

Stateless Offloads and Performance Features
TCP/UDP, IPv4 checksum offloads (Rx/ Tx/
Large- send)
• More offload capabilities and improved CPU usage
• Checksum and segmentation capability extended to new standard packet type
IPv6 support for IP/TCP and IP/UDP receive check-
sum offload
• Improved CPU usage
Tx TCP segmentation offload (IPv4, IPv6)
Transmit Segmentation Offloading (TSO)
Interrupt throttling control
Legacy and Message Signal Interrupt (MSI)
Message Signal Interrupt Extension (MSI-X)
Intelligent interrupt generation
Receive Side Scaling (RSS) for Windows*
Scalable I/O for Linux environments (IPv4, IPv6, TCP/
UDP)
Support for packets up to 9.5 KB ( Jumbo Frames)
• Increased throughput and lower processor usage; compatible with large-send offload
• Large TCP/UDP I/O is segmented by to the device it to L2 packets according to the requested MSS
• Limits maximum interrupt rate and improves CPU usage
• Interrupt mapping.
• Dynamic allocation of up to 5 vectors per port
• Enhanced software device driver performance
• Up to two queues per port
• Improves the system performance related to handling of network data on multiprocessor systems
• Enables faster and more accurate throughput of data
Low Latency Interrupts
Header/packet data split in receive
PCIe v2.1 TLP Processing Hint Requester
Descriptor ring management hardware for Transmit
and Receive
• Based on the sensitivity of the incoming data, the controller can bypass the automatic moderation of
time intervals between the interrupts
• Helps the driver to focus on the relevant part of the packet without the need to parse it
• Provides hints on a per transaction basis to facilitate optimized processing of
• Optimized descriptor fetch and write-back for efficient system memory and PCIe bandwidth usage
Remote Boot Options
Preboot eXecution Environment (PXE)
• Enables system boot up via the EFI (32 bit and 64 bit)
Product Codes
I211-AT
MM#
Brand Name
925144
Intel® Ethernet Controller I211-AT
925145
Intel® Ethernet Controller I211-AT
Description
1000Base-T Commercial Temp
1000Base-T Commercial Temp
Media
tape and reel
tray
Forecast Name
WGI211-AT
WGI211-AT
4