PCIe 4.x Specification

PCIe 4.x SPEC 集合，包含ECN, 2018-10-04更新 Address Translation Relaxed Ordering ECN.pdf ECN EventCollector 13Sept2018a.pdf ECN Link Activation 07 Dec 2017.pdf Expansion ROM Validation ECN.pdf NCB-PCI_Express_Base_4.0r1.0_September-27-2017-c.pdf PCIe_Base_r4_0_Errata_2018-10-04a.pdf