PCI
Two DWORD I/O locations are used to generate configuration transactions for PC-ATcompatible systems. The first DWORD location (CF8h) references a read/write registerthat is named CONFIG_ADDRESS. The second DWORD address (CFCh) references a read/write register named CONFIG_DATA
----------------------------------------------------------------------------------------------------------------
![知识共享许可协议](http://i.creativecommons.org/l/by-sa/3.0/88x31.png)
----------------------------------------------------------------------------------------------------------------