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X299 OC Formula
4.6.7 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 PS/2 Simulator. This should be enabled for the complete USB keyboard
legacy support for non-USB aware OSes.
*Enable this option if you install Windows 7.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
Summary of Contents for X299 GAMING i9
Page 1: ......
Page 21: ...English 15 X299 OC Formula A 3 B 4 5 ...
Page 23: ...English 17 X299 OC Formula 2 2 Installing the CPU Fan and Heatsink C P U _ F A N 9 10 11 ...
Page 24: ...English 18 2 3 Installing the Motherboard Backplate 1 2 ...
Page 25: ...English 19 X299 OC Formula 3 4 ...