OBJECTIVE OF THE SPECIFICATION.................................................................................... 27
DOCUMENT ORGANIZATION ................................................................................................ 27
DOCUMENTATION CONVENTIONS...................................................................................... 28
TERMS AND ACRONYMS........................................................................................................ 29
REFERENCE DOCUMENTS...................................................................................................... 36
1. INTRODUCTION ................................................................................................................ 37
1.1. A THIRD GENERATION I/O INTERCONNECT ................................................................... 37
1.2. PCI EXPRESS LINK......................................................................................................... 39
1.3. PCI EXPRESS FABRIC TOPOLOGY .................................................................................. 41
1.3.1. Root Complex........................................................................................................ 41
1.3.2. Endpoints .............................................................................................................. 42
1.3.3. Switch.................................................................................................................... 45
1.3.4. Root Complex Event Collector.............................................................................. 46
1.3.5. PCI Express to PCI/PCI-X Bridge........................................................................ 46
1.4. PCI EXPRESS FABRIC TOPOLOGY CONFIGURATION....................................................... 46
1.5. PCI EXPRESS LAYERING OVERVIEW.............................................................................. 47
1.5.1. Transaction Layer..................................
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