This Chapter

This chapter provides a description of:

  • The PCI Express Capability register set in a function's PCI-compatible configuration space.

  • The optional PCI Express Extended Capabilities register sets in a function's extended configuration space:

    - The Advanced Error Reporting Capability register set.

    - Virtual Channel Capability register set.

    - Device Serial Number Capability register set.

    - Power Budgeting Capability register set.

  • RCRBs.

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