
LAN Controller Registers (B1:D8:F0)
7-6
Intel
82801BA ICH2 Datasheet
7.1.13
SVID—Subsystem Vendor ID(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
2C–2D
0000h
Attribute:
Size:
RO
16 bits
7.1.14
SID—Subsystem ID(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
2E–2Fh
0000h
Attribute:
Size:
RO
16 bits
Note:
The ICH2’s integrated LAN Controller provides support for configureable Subsystem ID and
Subsystem Vendor ID fields. After reset, the LAN Controller automatically reads addresses Ah
through Ch of the EEPROM. The LAN Controller checks bits 15:13 in the EEPROM word Ah, and
functions according to
Table 7-2
.
7.1.15
CAP_PTR—Capabilities Pointer
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
34h
DCh
Attribute:
Size:
RO
8 bits
Bit
Description
15:0
Subsystem Vendor ID—RO.
Bit
Description
15:0
Subsystem ID—RO.
Table 7-2. Configuration of Subsystem ID and Subsystem Vendor ID via EEPROM
Bits 15:14
Bit 13
Device ID
Vendor ID
Revision ID
Subsystem ID
Subsystem
Vendor ID
11b, 10b,
00b
X
2449h
8086h
00h
0000h
0000h
01b
0b
2449h
8086h
00h
Word Bh
Word Ch
01b
1b
Word Bh
Word Ch
Word Ah,
bits 10:8
Word Bh
Word Ch
Bit
Description
7:0
Capabilities Pointer (CAP_PTR)
—RO.
Hardwired to DCh to indicate the offset within configuration
space for the location of the Power Management registers.
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