TXMC885 User Manual Issue 1.0.0
Page 10 of 12
4.2
Configuration EEPROM
After power-on or PCI reset, each Intel 82574IT Ethernet Controller loads its initial configuration register data
from the corresponding on board configuration EEPROM.
See the Intel 82574 GbE Controller Family Datasheet for more information.
Word
Address
0x00
0x0100
0x
ww
06
0x
zzyy
0x0624 0xF444 0x0000 0x0000 0x0000
0x08
0x0000 0x0000 0x0E6B 0x0000 0x8086 0x10D3 0x0000 0x0558
0x10
0x0000 0xFF01 0x7E04 0x0000 0x0000 0x00A8 0x0000 0x0704
0x18
0x6CC9 0x3150 0x070E 0x4503 0x2DA4 0x0000 0x4300 0xA4A4
0x20
0xFF00 0x8080 0x0F04 0x7FFF 0x6801 0x0000 0x0000 0x0000
0x28
0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
0x30
0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
0x38
0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
check
Table 4-2 : Intel 82574IT Configuration EEPROM Settings
The EEPROM Word Addresses 0x00 to 0x02 contain the factory programmed individual Ethernet (MAC)
Address. The value of ww, zz and yy is unique for each Intel 82574IT Ethernet controller.
The EEPROM Word Address 0x3F contains the EEPROM
checksum
.
