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Chapter 3: BIOS setup
Chapter 3
3.5.5
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]
[Disabled]
The USB devices can be used only for the BIOS setup program.
[Enabled]
Enables the support for USB devices on legacy operating systems (OS).
[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]
[Disabled]
Disables the function.
[Enabled]
Enables the support for USB 3.0 devices on legacy operating systems
(OS).
EHCI Hand-off [Disabled]
[Disabled]
Disables the function.
[Enabled]
Enables the support for operating systems without an EHCI hand-off
feature.
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Enables Legacy USB support. AUTO
option disables legacy support if no
USB devices are connected. DISABLE
option will keep USB devices
available only for UEFI applications.
Back
Advanced\
USB Configuration >
UEFI BIOS Utility - Advanced Mode
USB Configuration
USB Devices:
1 Keyboard, 1 Mouse, 4 Hubs
Legacy USB Support
Enabled
Legacy USB3.0 Support
Enabled
EHCI Hand-off
Disabled
Summary of Contents for P9X79
Page 1: ...Motherboard P9X79 ...
Page 52: ...2 34 Chapter 2 Hardware information Chapter 2 B A 9 B A 7 8 Triangle mark 5 6 ...
Page 57: ...ASUS P9X79 2 39 Chapter 2 2 3 6 ATX Power connection 1 2 OR OR ...
Page 58: ...2 40 Chapter 2 Hardware information Chapter 2 2 3 7 SATA device connection OR 2 OR 1 ...
Page 146: ...4 28 Chapter 4 Software support Chapter 4 ...
Page 154: ...5 8 Chapter 5 Multiple GPU technology support Chapter 5 ...