How does lspci find out physical slot number of a PCI device?

What is a PCIe slot with an x4 slot and x16 connector? pcle slot For example, a PCIe x8 card could plug into a PCIe x16 slot However, PCIe bus slots are not backward-compatible with connection interfaces for older bus pcle x1 slot For example, a PCIe x8 card could plug into a PCIe x16 slot However, PCIe bus slots are not backward-compatible with connection interfaces for older bus

pcle x16 slot Newer devices would instead have a PCI-e slot Desktop to Laptop Another major hardware and device change has been the shift in markets from