Asus ROG STRIX B250F GAMING STRIX B250F GAMING BIOS ManualEnglish - Page 24

The following two items appear only when you set the previous item to [Enabled]. Ipv4 / Ipv6 PXE Support [Enabled] This item allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disable Link] [Enabled] HDD/SSD SMART Information This menu displays the SMART information of the connected devices. USB Configuration The items in this menu allow you to change the USB-related features. The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Enabled] [Enabled] Your system supports the USB devices in legacy operating systems. [Disabled] Your USB devices can be used for BIOS setup only and cannot be recognized in the boot devices list. [Auto] Your system automatically detects the presence of USB devices at startup. If any USB devices are detected, the legacy USB support is enabled. XHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an XHCI hand‑off feature. [Disabled] Disables the XHCI Hand-off support. USB Single Port Control This item allows you to enable or disable the individual USB ports. 24 BIOS Setup