kPCI2PCIOffsetPrimaryBus The offset to the primary bus number register. DeclarationkPCI2PCIOffsetPrimaryBus See AlsoOffsetskPCI2PCIOffsetSecondaryBuskPCI2PCIOffsetSubordinateBuskPCI2PCIOffsetSecondaryLTkPCI2PCIOffsetIORangekPCI2PCIOffsetMemoryRangekPCI2PCIOffsetPrefetchMemoryRangekPCI2PCIOffsetPrefetchUpperBasekPCI2PCIOffsetPrefetchUpperLimitkPCI2PCIOffsetUpperIORangekPCI2PCIOffsetBridgeControl