GMCH Register Description
4.5.2
CONFIG_DATA—Configuration Data Register
I/O Address:
Default Value:
Access:
0CFCh
00000000h
R/W
Size:
32 bits
CONFIG_DATA is a 32-bit read/write window into configuration space. The portion of
configuration space that is referenced by CONFIG_DATA is determined by the contents
of CONFIG_ADDRESS.
Bit
Access &
Default
Description
31:0
R/W
Configuration Data Window (CDW): If bit 31 of
CONFIG_ADDRESS is 1, any I/O access to the CONFIG_DATA register
will produce a configuration transaction using the contents of
CONFIG_ADDRESS to determine the bus, device, function, and offset
of the register to be accessed.
00000000h
§
76
Datasheet
INTEL [ INTEL ]
