Intel I340-T2 E1G42HTG1P20 ユーザーズマニュアル

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E1G42HTG1P20
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•  Four high-performing 10/100/1000 BASE-T Ethernet connec-
tions (Copper)
•  Four high-performing 10/100/1000 BASE-SX Ethernet connec-
tions (Fiber)
•  Low power high performing bridgeless design supporting PCI 
Express* Gen 2.0 5 GT/s
•  Environmentally-friendly halogen-free
1
 (Copper) and lead-free 
adapter
•  Hardware acceleration for TCP-IP and iSCSI
•  Hardware optimizations for virtualized servers
• Reliable and proven Gigabit Ethernet technology from Intel Corp.
Based on the new Intel® 82580 Gigabit Ethernet Controller, 
the Intel® Ethernet I340 Server Adapter is Intel’s fourth gener-
ation of PCIe GbE adapter. This adapter showcases the indus-
try’s first fully integrated quad-port PCIe Gen2 GbE controller, 
providing a smaller footprint and lower power dissipation.  In 
addition, the Intel® Ethernet I340 Server Adapter offers ad-
vanced features, including support for multi-core processors 
and server virtualization, as well as a scalable PCI Express Gen 
2.0 interface.  Intel’s first eco-friendly halogen-free board com-
bines low-power and cost for the best price/performance ratio 
in a quad-port solution available today.
Halogen-Free
1
Working to create a more environmentally sustainable future, 
Intel is pleased to introduce its first halogen-free Ethernet Server 
Adapter.  The transition to halogen-free products is not govern-
ment mandated, but driven by Intel’s goal to eliminate the use of 
environmentally sensitive materials.  The move to halogen-free 
products marks another step in our continual march toward mini-
mizing the environmental footprint of Intel’s products, processes, 
and technologies.
Designed for Multi-Core Processors
This quad-port adapter provides high-performing, multi-port 
Gigabit connectivity in a multi-core platform as well as in a 
virtualized environment. In a multi-core platform, the adapter 
1   Low Halogen applies only to halogenated flame retardants and PVC in components.  Halogens 
are below 1,000ppm bromine and 1,000ppm chlorine..
supports technologies such as MSI-X, and Low Latency Inter-
rupts that help accelerate data across the platform, improving 
application response times.
The I/O technologies on a multi-core platform make use of the 
multiple queues and multiple interrupt vectors available on the 
network controller. These queues and interrupt vectors help in load 
balancing the data and interrupts amongst themselves in order 
to lower the load on the processors and improve overall system 
performance. For example, depending upon the latency sensitivity 
of the data, the low latency interrupts feature can bypass the time 
interval for specific TCP ports or for flagged packets to give certain 
types of data streams the least amount of latency to the applica-
tion.
Intel I/O Acceleration Technology (Intel I/OAT) is a suite of 
features that improves data acceleration across the platform, 
from networking devices to the chipset and processors, which 
helps to improve system performance and application response 
times. The different features include MSI-X, Low-Latency 
Interrupts, Receive Side Scaling (RSS), and others. MSI-X helps 
in load-balancing I/O interrupts across multiple processor cores, 
and Low Latency Interrupts can provide certain data streams a 
non-modulated path directly to the application. RSS directs the 
interrupts to a specific processor core based on the application’s 
address.
Product Brief
Intel® Ethernet I340 Server Adapter
Network Connectivity
Intel
®
 Ethernet I340 Server Adapter
Quad-port Gigabit Ethernet server adapter designed for multi-core processors and 
optimized for Virtualization & Unified Networking Environments