In the past, it was super easy to find a block diagram illustrating that architecture on the Web. For Windows 10, I can't find anything. I've found subsystem diagrams, Windows 7 or earlier ...

Another block diagram of a more official nature leaked, ... For example, PCIe slots, ... as an APU based on older architecture, are used, the chipset connection will be made with PCIe 3.0.

Intel W680 Block Diagram Leak Hints At Major Change Headed To Alder Lake Xeon CPUs. ... We know it's only a matter of time before Intel brings its Alder Lake architecture over to its Xeon stack.