Introduction - If you have any usage issues, please Google them yourself
		 
Describes the PCI bridge configuration header of the configuration space structure and configuration theory, describes the configuration space access method  elaborated on three kinds of bridges (PCI-PCI bridges, PCI-ISA Bridge and PCI Host Bridge) configuration and its hierarchical structure , corresponding to the various registers of the meaning, combined with VxWorks system, described based on the PowerPC architecture PLX6150 Bridge (PCI6150) chips, W83628AG as well as the MPC8247 PCI bridge configuration and realization method. Key words: PCI bridge  PLX6150 bridge chip  W83628AG  MPC8247  VxWorks