317697-001 Ver la hoja de datos (PDF) - Intel

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317697-001

Gigabit Ethernet Controller

Intel 

82575 Gigabit Ethernet Controller Datasheet

2.3

2.4

Features

Mechanism available for reducing interrupts

generated by transmit and receive operations

Support for transmission and reception of

packets up to 9.5 kB

MSI-X Support

Benefits

• Maximizes system performance and throughput

• Enables jumbo frames

• Part of the PCI standard, enables sending

interrupt messages to specific CPUs in a multiple-

cores platform

PHY-Specific Features

Features

Benefits

IEEE 802.3x compliant flow control support

with software controllable pause times and

threshold values

Line Length >140m

Operates with worst-case cable

Supports carrier extension and packet bursting

(half duplex)

Auto-negotiation with support for Next Page

PMA loopback capable (No echo cancel)

Advanced Power Management -

• Low power link up

• "Smart Power Down - Link disconnect

Support for limited auto MDIO register init -

limited number of registers

Fiber/Copper switch support

SERDES Signal Detect and support of non-AN

partner

Smart Speed

Auto crossover for MDI

Smart Power Down

Advanced Cable Diagnostics

Control over the transmissions of pause frames

through software or hardware triggering

Frame loss reduced from receive overruns

Reliable operation at greater distances

Reliability

Improves performance

Improves performance and reliability

Facillitates testing/troubleshooting

Improves power capabilities

Improves performance

Ease of design

Host Offloading Features

Features

Transmit and receive IP, TCP and UDP

checksum off-loading capabilities

Transmit TCP segmentation

IPv6 Offloading

Benefits

• Lower CPU utilization

• Increased throughput and lower CPU utilization

• Large send offload feature (in Microsoft*

Windows* XP) compatible

• Checksum and segmentation capability extended

to new standard packet type

6

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