Displaying PCIe information for on Red Hat Enterprise Linux

Displaying PCIe information for on Red Hat Enterprise Linux pcie slot function PCIe expansion slot definitions Slot, Type, Form factor, Connector link width, Negotiable link width, Supported expansion board 1 PCIe FlexibleLOM pcie 3 slot The meaning of EXPANSION SLOT is a socket on the motherboard of a computer into which an expansion card may be inserted

pcie 3 slot A PCIe x2 slot provides two lanes and transmits data at 2 bits per cycle, and so on PCIe cards fit interchangeably into slots, but the

pcie slot x16 A x1 electrical card in any compliant PCIe slot will always run in x1 electrical mode That is, a device designed for Gen-3 PCI Express functions at Gen-2 where pci_address is sys:bus:slot:function How can these two eg 04: Ethernet controller: Realtek Semiconductor Co , Ltd RTL8101E