4 smbus controller configuration, 1 smbus configuration registers (function 3), Smbus controller configuration -5 9.4.1 – Intel 460GX User Manual
Page 169: Smbus configuration registers (function 3) -5

Intel® 460GX Chipset Software Developer’s Manual
9-5
IFB Register Mapping
9.4
SMBus Controller Configuration
The IFB PCI function 3 contains the SMBus Controller configuration space.
9.4.1
SMBus Configuration Registers (Function 3)
Table 9-4. PCI Configuration Registers–Function 3 (SMBus Controller Interface)
Configuration Offset
Mnemonic
Register
Register Access
00–01h
VID
Vendor Identification
RO
02–03h
DID
Device Identification
RO
04–05h
PCICMD
PCI Command
R/W
06–07h
PCISTS
PCI Device Status
R/WC
08h
RID
Revision Identification
RO
09-0Bh
CLASSC
Class Code
RO
0C-1Fh
–
Reserved
–
20-23h
BAR
Base Address Register
R/W
24-3Bh
–
Reserved
–
3Ch
IL
Interrupt Line
RW
3Dh
IP
Interrupt Pin
RO
3E-3Fh
–
Reserved
–
40h
HC
Host Configuration
RW
41h
SCOM
Slave Command Port
RW
42h
SS1
Slave Shadow Address 1
RW
43h
SS2
Slave Shadow Address 2
RW
41-F3h
–
Reserved
–
F4-F7h
–
Reserved
–
F8-FBh
–
Manufacturer’s ID Register
–
FC-FFh
–
Reserved
–