ASRock AM1B-MDH User Manual - Page 57
USB Configuration, USB Controller, Legacy USB Support
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4.4.6 USB Configuration AM1H-M AM1B-MDH AM1B-M USB Controller Enable or disable all the USB ports. USB 3.0 Controller Enable or disable all the USB 3.0 ports. 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. 53 English
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AM1H-M
AM1B-MDH
AM1B-M
53
English
4.4.6
USB Configuration
USB Controller
Enable or disable all the USB ports.
USB 3.0 Controller
Enable or disable all the USB 3.0 ports.
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.