User Manual

ROG STRIX X299-E Gaming BIOS Manual
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6.9 USB Configuration
The items in this menu allow you to change the USB-related features.
The Mass Storage Devices item shows the auto-detected values. If no USB device is
detected, the item shows None.
Legacy USB Support
[Enabled] Your system supports the USB devices in legacy operating systems.
[Disabled] Your USB devices are available only for EFI applications.
[Auto] Your system automatically disables the Legacy USB support if USB
devices are not connected.
USB Mass Storage Driver Support
This item allows you to enable or disable USB Mass Storage Driver Support.
Conguration options: [Disabled] [Enabled]
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section Motherboard layout in your motherboard’s user manual for the location
of the USB ports.