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Intel
®
82575EB Gigabit Ethernet Controller — Main Register Descriptions
Intel
®
82575EB Gigabit Ethernet Controller 324632-003
Software Developer’s Manual and EEPROM Guide Revision: 2.1
298 January 2011
Note: The PHY registers are accessed through the MDI/O interface.
14.3 Main Register Descriptions
This section contains detailed register descriptions for general purpose, DMA, interrupt, receive, and
transmit registers. These registers correspond to the main functions of the 82575.
Packet
Generator
04280h PGDAL PG Destination Address Low R/W 441
Packet
Generator
04284h PGDAH PG Destination Address High R/W 441
Packet
Generator
04288h PGSAL PG Source Address Low R/W 442
Packet
Generator
0428Ch PGSAH PG Source Address High R/W 442
Packet
Generator
04290h PGIPG PG Inter Packet Gap R/W 442
Packet
Generator
04294h PGPL PG Packet Length R/W 443
Packet
Generator
04298h PGNP PG Number Of Packets R/W 443
Packet
Generator
0429Ch PGSTS PG Status RO 444
Packet
Generator
042A4h PGCTL PG Control R/W 444
PCS 04200h PCS_CFG PCS Configuration 0 R/W 370
PCS 04208h PCS_LCTL PCS Link Control R/W 371
PCS 0420Ch PCS_LSTS PCS Link Status RO 372
PCS 04218h PCS_ANADV AN Advertisement R/W 373
PCS 0421Ch PCS_LPAB Link Partner Ability RO 374
PCS 04220h PCS_NPTX AN Next Page Transmit R/W 375
PCS 04224h PCS_LPABNP Link Partner Ability Next Page RO 376
MSI-X 00000h:
00090h
MSIXTADD MSI-X Table Entry Lower Address R/W 446
MSI-X 00004h:
00094h
MSIXTUADD MSI-X Table Entry Upper Address R/W 446
MSI-X 00008h:
00098h
MSIXTMSG MSI-X Table Entry Message R/W 446
MSI-X 0000Ch:
0009Ch
MSIXTVCTRL MSI-X Table Vector Control R/W 446
MSI-X 02000h:
02004h
MSIXPBA MSI-X Pending Bit Array RO 447
Category Offset Abbreviation Name R/W Page