Chapter 3 – AMI BIOS Setup 40Industrial Touch Panel PC OMNI-5155L3.5.2 Chipset: South BridgeOptions summary:XHCI Mode Enabled Optimal Default, Failsafe DefaultDisabledMode of operation of XHCI controller.PCI Express Port 0 Enabled Optimal Default, Failsafe DefaultDisabledEnabled or Disabled the PCI Express Port 0 in the Chipset.Speed AutoGen 1Fen 2 Optimal Default, Failsafe DefaultConfigure PCIe Port Speed.PCI Express Port 1 Enabled Optimal Default, Failsafe DefaultDisabledEnabled or Disabled the PCI Express Port 1 in the Chipset.Speed AutoGen 1Fen 2 Optimal Default, Failsafe DefaultConfigure PCIe Port Speed.