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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