Intel 8 LAN manual 1.4LAN NVM Format and Contents, LAN NVM Address Map, NVM Information Guide-ICH8

NVM Information Guide—ICH8

1.4LAN 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	NVM				Image
Word	Byte	HIgh Byte (Bits 15:8)	Low Byte (Bits 7:0)	Used By
					Value
Offset	Offset
00h	00	Ethernet Individual Address	Ethernet Individual Address	HW-	IA (2,1)
		Byte 2	Byte 1	Shared
01h	02	Ethernet Individual Address	Ethernet Individual Address	HW-	IA (4,3)
		Byte 4	Byte 3	Shared
02h	04	Ethernet Individual Address	Ethernet Individual Address	HW-	IA (6,5)
		Byte 6	Byte 5	Shared
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-	0000h
				Shared
1Ah	34h	Future Initialization Word 2		HW-	0000h
				Shared

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