ASRock H81M-DG4 User Manual - Page 67

USB Configuration, Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB

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4.4.7 USB Coniguration H81M-DG4 USB Controller Enable or disable all the USB 2.0 ports. Intel USB 3.0 Mode Enable or disable all the USB 3.0 ports. It is recommended to select [Smart Auto]. 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. Legacy USB 3.0 Support Enable or disable Legacy OS Support for USB 3.0 devices. USB Compatibility Patch If your USB devices (i.e. USB mouse or storage) encounter compatibility problems, please enable this option to ix it. Please note that ater enabling this option, it is normal that the system will postpone booting up ater pressing the power button. 63 English

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63
English
H81M-DG4
4.4.7
USB Con±guration
USB Controller
Enable or disable all the USB 2.0 ports.
Intel USB 3.0 Mode
Enable or disable all the USB 3.0 ports. It is recommended to select [Smart Auto].
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.
Legacy USB 3.0 Support
Enable or disable Legacy OS Support for USB 3.0 devices.
USB Compatibility Patch
If your USB devices (i.e. USB mouse or storage) encounter compatibility problems,
please enable this option to ±x it. Please note that aTer enabling this option, it is
normal that the system will postpone booting up aTer pressing the power button.