876784 Intel, 876784 Datasheet - Page 309
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
Lead Free Status / RoHS Status
Compliant
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LAN Controller Registers (B1:D8:F0) (Desktop and Mobile Only)
8.1.11
Note:
8.1.12
Note:
8.1.13
Intel
®
ICH7 Family Datasheet
CSR_MEM_BASE — CSR Memory-Mapped Base
Address Register (LAN Controller—B1:D8:F0)
Offset Address: 10h
Default Value:
The ICH7’s integrated LAN controller requires one BAR for memory mapping. Software
determines which BAR (memory or I/O) is used to access the LAN controller’s CSR
registers.
CSR_IO_BASE — CSR I/O-Mapped Base Address Register
(LAN Controller—B1:D8:F0)
Offset Address: 14h
Default Value:
The ICH7’s integrated LAN controller requires one BAR for memory mapping. Software
determines which BAR (memory or I/O) is used to access the LAN controller’s CSR
registers.
SVID — Subsystem Vendor Identification
(LAN Controller—B1:D8:F0)
Offset Address: 2Ch
Default Value:
31:12
31:16
11:4
15:6
15:0
2:1
5:1
Bit
Bit
Bit
3
0
0
Base Address (MEM_ADDR) — R/W. This field contains the upper 20 bits of the base
address provides 4 KB of memory-Mapped space for the LAN controller’s Control/Status
registers.
Reserved
Prefetchable (MEM_PF) — RO. Hardwired to 0 to indicate that this is not a pre-fetchable
memory-Mapped address range.
Type (MEM_TYPE) — RO. Hardwired to 00b to indicate the memory-Mapped address
range may be located anywhere in 32-bit address space.
Memory-Space Indicator (MEM_SPACE) — RO. Hardwired to 0 to indicate that this base
address maps to memory space.
Reserved
Base Address (IO_ADDR)— R/W. This field provides 64 bytes of I/O-Mapped address
space for the LAN controller’s Control/Status registers.
Reserved
I/O Space Indicator (IO_SPACE) — RO. Hardwired to 1 to indicate that this base
address maps to
I/O space.
Subsystem Vendor ID (SVID) — RO. See
00000008h
00000001h
0000h
–
–
–
13h
17h
2D
Description
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
Section 8.1.14
for details.
R/W, RO
32 bits
R/W, RO
32 bits
RO
16 bits
309
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