NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 257

• Manufacturer Part Number: NH82801DB S L8DE
• Manufacturer: Intel

Specifications of NH82801DB S L8DE

• Lead Free Status / RoHS Status: Compliant

7.1.12
7.1.13
7.1.14
Intel
®
Table 7-2. Configuration of Subsystem ID and Subsystem Vendor ID via EEPROM
82801DB ICH4 Datasheet
Note: The ICH4’s integrated LAN controller requires one BAR for memory mapping. Software
Note: The ICH4’s integrated LAN controller provides support for configurable Subsystem ID and
CSR_IO_BASE — CSR I/O-Mapped Base Address Register
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
determines which BAR (memory or I/O) is used to access the Lan controller’s CSR registers.
SVID — Subsystem Vendor ID (LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
SID — Subsystem ID (LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
Subsystem Vendor ID fields. After reset, the LAN controller automatically reads addresses Ah
through Ch, and 23h of the EEPROM. The LAN controller checks bits 15:13 in the EEPROM word
Ah, and functions according to
NOTE:
1. Refer to the ICH4 specification update for the value of the Revision ID Register.
2. The Device ID is loaded from Word 23h only if the value of Word 23h is not 0000h or FFFFh
31:16
15:6
Bits 15:14
Bit
5:1
15:0
15:0
11b, 10b,
Bit
0
Bit
00b
01b
01b
Reserved
Base Address — R/W. Provides 64 bytes of I/O-Mapped address space for the LAN controller’s
Control/Status Registers.
Reserved
I/O Space Indicator — RO. Hardwired to 1 to indicate that this base address maps to I/O space.
Subsystem Vendor ID (SVID) — RO. (see
Subsystem ID (SID) — RO.
Bit 13
0b
1b
X
14
0000 0001h
2C
0000h
2E
0000h
–
–
–
Device ID
Word 23h
Word 23h
17h
2D
2Fh
103Ah
Table
Vendor ID
Word Ch
8086h
8086h
7-2.
REVID + Word Ah, bits
Description
Section 7.1.14
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
Revision ID
Note 1
Note 1
10:8
LAN Controller Registers (B1:D8:F0)
for details)
Subsystem ID
R/W, RO
32 bits
RO
16 bits
RO
16 bits
Word Bh
Word Bh
0000h
Subsystem
Vendor ID
Word Ch
Word Ch
0000h
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