Usb Configuration - Asus M5A99FX PRO R2.0 Manual

3.5.5

USB Configuration

The items in this menu allow you to change the USB-related features.
UEFI BIOS Utility - Advanced Mode
Main Ai Tweaker
Back Advanced\ USB Configuration >
USB Configuration
USB Devices:
1 Keyboard, 1 Mouse
Legacy USB Support
Legacy USB3.0 Support
EHCI Hand-off
> SB USB Configuration
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[Disabled] The USB devices can be used only for the BIOS setup program.
[Auto] Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Legacy USB3.0 Support [Enabled]
[Enabled] Enables the support for USB 3.0 devices on legacy operating systems
(OS).
[Disabled] Disables the function.
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the function.
ASUS M5A99FX PRO R2.0
Advanced Monitor
Enabled
Enabled
Disabled
Exit
Boot Tool
Enables Legacy USB support. AUTO
option disables legacy support if no
USB devices are connected. DISABLE
option will keep USB devices
available only for EFI applications.
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