ASRock Fatal1ty E3V5 Performance Gaming/OC User Manual - Page 76

USB Configuration, Legacy USB Support, PS/2 Simulator

Page 76 highlights

4.6.6 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 this item for the complete USB keyboard legacy support for non-USB aware operating system. 68 English

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68
English
4.6.6
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 this item for the complete USB keyboard legacy support for non-USB aware
operating system.