System address map initialization in x86/x64 architecture part 2: PCI express-based systems | Infosec
What is a PCIe root complex? - Quora
How PCI Express Works | HowStuffWorks
What limits the number of buses, devices and functions on a PCI bus? - Electrical Engineering Stack Exchange
Assigning PCIe Buses - Oracle VM Server for SPARC 3.0 Administration Guide
PCI Overview
How modern multi-processor multi-Root Complex system assigns PCI bus number | CodyWu's Blog
How to Distinguish PCI Vs PCI Express?
PCIe Index Page
The Inner Workings of PCI Express | TechSpot
Introduction to PCIe – Systems Research
PCIE Bus Interface Chip CH368 Development Board Evaluation Learning Board | eBay
PCI Express is Taking Over - Crystal Group
PCIe 枚举示例（Single Root）_secondary bus numbe_码农老王(JN)的博客-CSDN博客
2. PCI Express Bus
PCI Express: An Overview | Ars Technica
Determine the Number and Range of PCI/PCIe Root Bus Devices - NI
How modern multi-processor multi-Root Complex system assigns PCI bus number | CodyWu's Blog
What Is PCIe (PCI Express)? | Sierra Circuits
Peripheral Component Interconnect - Wikipedia
Root complex - Wikipedia
Synopsys IP Technical Bulletin: PCI Express Switch Enumeration Using VMM-Based DesignWare Verification IP
What is PCIE enumeration? - Quora
Introduction to PCI Express - What is PCIe Bus? - NI
Creating a Root Domain by Assigning PCIe Buses - Oracle® VM Server for SPARC 3.2 Administration Guide
