Why do we need PCIe Bifurcation and how?

Displaying PCIe information for on Red Hat Enterprise Linux pcie slot function Eight-character, hexadecimal PCI-function ID The ID identifies the PCIe device within the processor configuration This value specifies the slot at pcie2 slot For example, if you insert a PCIe card into a PCIe slot, the card will function at the lower bandwidth Likewise, if you insert

pcie 4 m2 in pcie 3 slot A PCIe x1 slot has exactly one PCIe lane to use, and the same rule will generally apply moving up the ladder through x4, x8, and x16 slots Each available PCIe