ASRock Z170M Pro4S User Manual - Page 68

Legacy USB Support, Port 60/64 Emulation

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4.4.6 USB Coniguration Z170M Pro4S 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. Port 60/64 Emulation 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 OS. *Enable this option if you install Windows 7. 63 English

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English
Z170M Pro4S
4.4.6
USB Con±guration
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.
Port 60/64 Emulation
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 OS.
*Enable this option if you install Windows 7.