876784 Intel, 876784 Datasheet - Page 310
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
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Compliant
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8.1.14
Note:
Table 8-2.
8.1.15
8.1.16
310
SID — Subsystem Identification
(LAN Controller—B1:D8:F0)
Offset Address: 2Eh
Default Value:
The ICH7’s integrated LAN controller provides support for configurable Subsystem ID
and 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
Configuration of Subsystem ID and Subsystem Vendor ID via EEPROM
NOTES:
1.
2.
CAP_PTR — Capabilities Pointer
(LAN Controller—B1:D8:F0)
Offset Address: 34h
Default Value:
INT_LN — Interrupt Line Register
(LAN Controller—B1:D8:F0)
Offset Address: 3Ch
Default Value:
Bits 15:14
15:0
11b, 10b,
7:0
7:0
Bit
Bit
Bit
00b
01b
01b
The Device ID is loaded from Word 23h only if the value of Word 23h is not 0000h or FFFFh
The Revision ID is subject to change according to the silicon stepping.
Subsystem ID (SID) — RO.
Capabilities Pointer (CAP_PTR) — RO. Hardwired to DCh to indicate the offset within
configuration space for the location of the Power Management registers.
Interrupt Line (INT_LN) — R/W. This field identifies the system interrupt line to
which the LAN controller’s PCI interrupt request pin (as defined in the Interrupt Pin
Register) is routed.
Bit
13
0b
1b
X
0000h
DCh
00h
Word 23h
Word 23h
–
Device
1051h
2Fh
ID
1
Vendor ID
LAN Controller Registers (B1:D8:F0) (Desktop and Mobile Only)
Word Ch
8086h
8086h
Description
Description
Description
Revision ID
80h + Word
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
bits 10:8
00h
00h
Ah,
2
Subsystem ID
Table
Intel
Word Bh
Word Bh
RO
16 bits
RO
8 bits
R/W
8 bits
0000h
8-2.
®
ICH7 Family Datasheet
Subsystem
Vendor ID
Word Ch
Word Ch
0000h
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