4 lan nvm format and contents, Table 1. lan nvm address map, Lan nvm format and contents – Intel 8 LAN User Manual

Page 8: Lan nvm address map

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NVM Information Guide—ICH8

8

1.4

LAN NVM Format and Contents

Table 1

lists the NVM maps for the LAN region. Each word listed is described in detail in

the following sections.

Table 1.

LAN NVM Address Map

LAN

Word

Offset

NVM

Byte

Offset

HIgh Byte (Bits 15:8)

Low Byte (Bits 7:0)

Used By

Image

Value

00h

00

Ethernet Individual Address

Byte 2

Ethernet Individual Address

Byte 1

HW-

Shared

IA (2,1)

01h

02

Ethernet Individual Address

Byte 4

Ethernet Individual Address

Byte 3

HW-

Shared

IA (4,3)

02h

04

Ethernet Individual Address

Byte 6

Ethernet Individual Address

Byte 5

HW-

Shared

IA (6,5)

03h

06

Reserved

SW

0800h

04h

08

Reserved

SW

FFFFh

05h

0A

Image Version Information 1

SW

06h

0Ch

Reserved

SW

FFFFh

07h

0Eh

Reserved

SW

FFFFh

08h

10h

PBA Low

SW

09h

12h

PBA High

SW

0Ah

14h

PCI Initialization Control Word

HW-PCI

0Bh

16h

Subsystem ID

HW-PCI

0Ch

18h

Subsystem Vendor ID

HW-PCI

0Dh

1Ah

Device ID

HW-PCI

0Eh

1Ch

Vendor ID

HW-PCI

0Fh

1Eh

Device REV ID

HW-PCI

10h

20h

LAN Power Consumption

HW-PCI

11h

22h

Reserved

12h

24h

Reserved

13h

26h

Shared Initialization Control Word

HW-

Shared

14h

28h

Extended Configuration Word 1

HW-

Shared

15h

2Ah

Extended Configuration Word 2

HW-

Shared

16h

2Ch

Extended Configuration Word 3

HW-

Shared

17h

2Eh

LEDCTL 1

HW-

Shared

18h

30h

LEDCTL 0 2

HW-

Shared

19h

32h

Future Initialization Word 1

HW-

Shared

0000h

1Ah

34h

Future Initialization Word 2

HW-

Shared

0000h

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