Usb Coniguration - ASROCK RACK EP2C612D16C-4L User Manual

3.3.5 USB Coniguration

Intel USB3.0 Mode
Enable or disable all the USB 3.0 ports.
Legacy USB 3.0 Support
Use this option to select legacy support for USB devices. There are four configuration
options: [Enabled], [Auto], [Disabled] and [UEFI Setup Only]. he default value is [Enabled].
Please refer to below descriptions for the details of these four options:
Option
Enabled
Disabled
Auto
UEFI Setup Only
48
Description
Enables support for legacy USB.
USB devices are not allowed to use under legacy OS and UEFI
setup when [Disabled] is selected. If you have USB compatibility
issues, it is recommended to select [Disabled] to enter OS.
Enables legacy support if USB devices are connected.
SB devices are allowed to use only under UEFI setup and Windows
/ Linux OS.