Oh, that is several levels deeper! PCIe is a big standard with several layers of abstraction, and it's far from passive. The different versions of PCIe use a d

Oh, that is several levels deeper! PCIe is a big standard with several layers of abstraction, and it's far from passive. The different versions of PCIe use a different encoding, so it's hard to sum it all up in a couple sentences in terms of what the voltage does.