AC82G41SLGQ3 Datasheet, PDF (84/604 Pages) Intel Corporation – Intel® 4 Series Chipset Family

Register Description
4.5.2
CONFIG_DATA—Configuration Data Register
I/O Address:
Default Value:
Access:
Size:
0CFCh
00000000h
R/W
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
31:0
Access &
Default
Description
R/W
0000 0000 h
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.
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