82575 Gigabit Ethernet Controller Datasheet
Features
Benefits
Mechanism available for reducing interrupts
generated by transmit and receive operations
•
Maximizes system performance and throughput
Support for transmission and reception of
packets up to 9.5 kB
•
•
Enables jumbo frames
Part of the PCI standard, enables sending
interrupt messages to specific CPUs in a multiple-
cores platform
MSI-X Support
2.3
PHY-Specific Features
Features
Benefits
Control over the transmissions of pause frames
through software or hardware triggering
IEEE 802.3x compliant flow control support
with software controllable pause times and
threshold values
Frame loss reduced from receive overruns
Reliable operation at greater distances
Reliability
Line Length >140m
Operates with worst-case cable
Supports carrier extension and packet bursting
(half duplex)
Improves performance
Auto-negotiation with support for Next Page
PMA loopback capable (No echo cancel)
Advanced Power Management -
Improves performance and reliability
Facillitates testing/troubleshooting
Improves power capabilities
•
Low power link up
•
"Smart Power Down - Link disconnect
Support for limited auto MDIO register init -
limited number of registers
Improves performance
Ease of design
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
2.4
Host Offloading Features
Features
Benefits
Transmit and receive IP, TCP and UDP
checksum off-loading capabilities
•
Lower CPU utilization
•
•
Increased throughput and lower CPU utilization
Large send offload feature (in Microsoft*
Windows* XP) compatible
Transmit TCP segmentation
IPv6 Offloading
•
Checksum and segmentation capability extended
to new standard packet type
6
INTEL [ INTEL ]
