Usb Coniguration - ASROCK H310CM-HDV User Manual

H310CM-HDV / H310CM-DVS

4.6.6 USB Coniguration

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. his should be enabled for the
complete USB keyboard legacy support for non-USB aware OSes.
XHCI Hand-of
his is a workaround for OSes without XHCI hand-of support. he XHCI
ownership change should be claimed by XHCI driver.
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