82575EB Datasheet, PDF (8/62 Pages) Intel Corporation – Intel® 82575EB Gigabit Ethernet Controller Datasheet

Intel^® 82575EB Gigabit Ethernet Controller — PHY-Specific Features
Features
Support for transmission and reception of packets up to 9.5 kB
MSI-X Support
Benefits
• Enables jumbo frames
• Part of the PCI standard, enables sending interrupt
messages to specific CPUs in a multiple-cores platform
2.3 PHY-Specific Features
Features
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
Benefits
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
2.4 Host Offloading Features
Features
Transmit and receive IP, TCP and UDP checksum off-loading
capabilities
Transmit TCP segmentation
IPv6 Offloading
Header split replication in receive
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
• Helps the driver to focus on the relevant part of the packet
without the need to parse it.
Intel^® 82575EB Gigabit Ethernet Controller
Datasheet
8
317679-004
Revision: 2.11
January 2011