User Manual
ASUS ROG STRIX X570-E GAMING
3-17
Chapter 3
3.6.7 PCI Subsytem Settings
SR-IOV Support
This item allows you to enable or disable the Single Root IO Virtualization support if your
system has SR-IOV capable PCIe devices. Conguration options: [Disabled] [Enabled]
3.6.8 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 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
[Enabled] Enables the support for operating systems without an XHCI hand-off
feature.
[Disabled] Disables the XHCI Hand-off support.
USB Device Enable
This item allows you to enable or disable the USB device. Conguration options: [Disabled]
[Enabled]
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section 1.1.2 Motherboard layout for the location of the USB ports.
3.6.10 NVMe Configuration
The items in this menu allow you to congure the NVMe device options.
3.6.11 Network Stack Configuration
The items in this menu allow you to enable or disable the UEFI network stack.
3.6.12 AMD CBS
The items in this menu allow you to congure the AMD CBS Setup page.
3.6.9 HDD/SSD SMART Information
This menu displays the SMART information of the connected devices.
NVM Express devices do not support SMART information.