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NVM Information Guide—ICH8
14
1.4.16 Extended Configuration Word 1 (Word 14h)
1.4.17 Extended Configuration Word 2 (Word 15h)
1.4.18 Extended Configuration Word 3 (Word 16h)
Table 12. Extended Configuration Word 1 (Word 14h)
Bit Name Default Description
15 Reserved 0b Reserved. Must be set to 0b.
14 Reserved 1b
1b = ICH8 (B0/B1 stepping).
0b = ICH8 (A0 stepping).
13 Reserved 1b Set this field to 0b.
12 OEM Write Enable 1b
OEM Write Enable
0b = Disable.
1b = Enable.
Set this field to 0b.
11:0
Extended
Configuration
Pointer
020h
This field defines the base address (in Dwords) of the extended
configuration area in the NVM. It should equal a non-zero value.
Table 13. Extended Configuration Word 2 (Word 15h)
Bit Name Default Description
15:8
Extended PHY
Length
37h
This field identifies the size (in Dwords) of the extended PHY
configuration area.
For the 82566 PHY, if the extended PHY configuration area is
disabled, the length must be set to 37h.
7:0 Reserved 00h These bits are reserved and should be set to 00h.
Table 14. Extended Configuration Word 3 (Word 16h)
Bit Name Default Description
15:0 Reserved 00h These bits are reserved and should be set to 00h.