3.6.5USB Configuration
The items in this menu allow you to change the
3 Chapter
The Mass Storage Devices item shows the
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. |
Intel xHCI Mode [Smart Auto]
[Auto] | The xHCI is automatically enabled and runs at USB 3.0 mode when the |
| xHCI driver is installed in the operating system. |
[Smart Auto] | Upon detection, the xHCI driver supports the USB 3.0 mode during both |
| POST and operating system. |
[Enabled] | Enables the xHCI controller. |
[Disabled] | Disables the xHCI controller. |
EHCI
[Enabled] | Enables the support for operating systems without an EHCI hand‑off |
| feature. |
[Disabled] | Disables the EHCI |
USB Single Port Control
Allows you to enable or disable the individual USB port.
Refer to section 1.2.2 Motherboard layout for the location of the USB ports.
Chapter 3: BIOS setup |