876784 Intel, 876784 Datasheet - Page 303

• Manufacturer Part Number: 876784
• Manufacturer: Intel

Specifications of 876784

• Lead Free Status / RoHS Status: Compliant

LAN Controller Registers (B1:D8:F0) (Desktop and Mobile Only)
8
Note:
8.1
Note:
.
Table 8-1.
Intel
®
ICH7 Family Datasheet
LAN Controller Registers
(B1:D8:F0) (Desktop and
Mobile Only)
LAN is not supported on ICH7-U Ultra Mobile.
The ICH7 integrated LAN controller appears to reside at PCI Device 8, Function 0 on the
secondary side of the ICH7’s virtual PCI-to-PCI bridge. This is typically Bus 1, but may
be assigned a different number depending upon system configuration. The LAN
controller acts as both a master and a slave on the PCI bus. As a master, the LAN
controller interacts with the system main memory to access data for transmission or
deposit received data. As a slave, some of the LAN controller’s control structures are
accessed by the host processor to read or write information to the on-chip registers.
The processor also provides the LAN controller with the necessary commands and
pointers that allow it to process receive and transmit data.
PCI Configuration Registers
(LAN Controller—B1:D8:F0)
Address locations that are not shown should be treated as Reserved (See
for details).
LAN Controller PCI Register Address Map (LAN Controller—B1:D8:F0) (Sheet 1
of 2)
2Ch–2Dh
00h–01h
02h–03h
04h–05h
06h–07h
10h–13h
14h–17h
2Eh–2Fh
Offset
0Dh
3Dh
08h
0Ah
0Bh
0Ch
0Eh
34h
3Ch
3Eh
CSR_MEM_BASE
CSR_IO_BASE
Mnemonic
MIN_GNT
HEADTYP
CAP_PTR
PCICMD
INT_LN
INT_PN
PCISTS
PMLT
SVID
SCC
BCC
VID
DID
RID
CLS
SID
Vendor Identification
Device Identification
PCI Command
PCI Status
Revision Identification
Sub Class Code
Base Class Code
Cache Line Size
Primary Master Latency Timer
Header Type
CSR Memory–Mapped Base
Address
CSR I/O–Mapped Base Address
Subsystem Vendor Identification
Subsystem Identification
Capabilities Pointer
Interrupt Line
Interrupt Pin
Minimum Grant
Register Name
See register
description.
description.
See register
00000008h
00000001h
Default
8086h
0000h
0290h
0000h
0000h
DCh
00h
00h
00h
00h
00h
01h
08h
02
Section 6.2
RO, R/WC
RO, R/W
R/W, RO
R/W, RO
Type
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
303