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Z370 Taichi
4.6.7 USB Configuration
Legacy USB Support
Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB
compatibility issues it is recommended to disable legacy USB support. Select UEFI
Setup Only to support USB devices under the UEFI setup and Windows/Linux
operating systems only.
PS/2 Simulator
Enable the support of I/O port 60h/64h emulation. This should be enabled for the
complete USB keyboard legacy support for non-USB aware OSes.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
Rear USB 3.1 Controller
Enable or disable all of the rear USB 3.1 Gen2 ports.
Front USB 3.1 Controller
Enable or disable all of the front USB 3.1 Gen2 ports.
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