Usb Configuration - ASROCK Z87 Pro4 User Manual
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Also See for Z87 Pro4:
- Quick installation manual (163 pages) ,
- User manual (92 pages) ,
- Installation and configuration manual (20 pages)
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Z87 Pro4
4.4.8 USB Configuration
USB Controller
Enable or disable all the USB 2.0 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.
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