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Introduction — Intel
®
82575EB Gigabit Ethernet Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 19
1.0 Introduction
This document describes the external architecture (including device operation, register definitions, etc.)
for the 82575, a Gigabit Ethernet (GbE) network interface controller.
For introduction to the 82575EB and for an overview, see the Intel® 82575EB GbE Controller
Datasheet.
1.1 Register and Bit References
This document refers to device register names with all capital letters. To refer to a specific bit in a
register the convention REGISTER.BIT is used. For example CTRL.FD refers to the Full Duplex Mode bit
in the Device Control Register (CTRL).
1.2 Byte and Bit Designations
This document uses “B” to abbreviate quantities of bytes. For example, a 4 KB represents 4096 bytes.
Similarly, “b” is used to represent quantities of bits. For example, 100 Mb/s represents 100 Megabits
per second.
1.3 References
Intel references include the following manuals:
• Intel® 82575EB Gigabit Ethernet Controller Datasheet
• Intel® 82575EB Gigabit Ethernet Controller Design Guide
• Intel® 82575EB Gigabit Ethernet Controller Manageability
• Intel® 82575EB Gigabit Ethernet Controller Software Developer's Manual and EEPROM Guide
• Intel® 82575EB Gigabit Ethernet Controller Thermal Design Considerations
• Intel® 82575EB Gigabit Ethernet Controller Specification Update
Industry references include:
• IEEE standard 802.3, 2002 Edition (Ethernet). Incorporates various IEEE Standards previously
published separately. Institute of Electrical and Electronic Engineers (IEEE).
• IEEE standard 1149.1, 2001 Edition (JTAG). Institute of Electrical and Electronics Engineers (IEEE)
• PCI Express* Base Specification, Rev.1.1RD, November 2004