Chapter 3 – AMI BIOS Setup38Infotainment Multi-Touch Panel PC ACP-10743.4.3 Advanced: USB ConfigurationOptions summary:Legacy USB Support Enabled Optimal Default, Failsafe DefaultDisabledAutoEnables BIOS Support for Legacy USB Support. When enabled, USB can be functionalin legacy environment like DOS.AUTO option disables legacy support if no USB devices are connectedwww.texim-europe.com