The Previous Chapter

The previous chapter provides a detailed description of the discovery process and bus numbering. It described:

• Enumerating a system with a single Root Complex

• Enumerating a system with multiple Root Complexes

• A multifunction device within a Root Complex or a Switch

• An Endpoint embedded in a Switch or Root Complex

• Automatic Requester ID assignment.

• Root Complex Register Blocks (RCRBs)