4 usb configuration, Usb configuration -23, Chapter 3 – Asus M4A79 Deluxe User Manual
Page 83: Usb support [enabled, Legacy usb support [enabled, Usb 2.0 controller [enabled, Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled
ASUS M4A79 Deluxe
3-23
Chapter 3
3.6.4
USB Configuration
The items in this menu allows you to change the USB-related features. Select an item then
press
The USB Devices Enabled item shows the auto-detected values. If no USB device is
detected, the item shows None.
USB Support [Enabled]
[Enabled]
Enables the USB Host Controllers.
[Disabled]
Disables the controllers.
The following items appear only when you set USB Support to [Enabled].
Legacy USB Support [Enabled]
[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.
[Enabled]
Enables the support for USB devices on legacy operating systems (OS).
[Disabled]
Disables the function.
USB 2.0 Controller [Enabled]
[Enabled]
Enables the USB 2.0 controller.
[Disabled]
Disables the controller.
The following two items appear only when you set the USB 2.0 Controller item to
[Enabled].
USB 2.0 Controller Mode [HiSpeed]
[FullSpeed]
Sets the USB 2.0 controller mode to FullSpeed (12 Mbps).
[HiSpeed]
Sets the USB 2.0 controller mode to HiSpeed (480 Mbps).
BIOS EHCI Hand-off [Enabled]
[Enabled]
Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled]
Disables the function.
Enable support for
all USB ports.
USB Configuration
Module Version - 2.24.3-13.4
USB Devices Enabled:
None
USB Support
[Enabled]
Legacy USB Support
[Enabled]
USB 2.0 Controller
[Enabled]
USB 2.0 Controller Mode
[HiSpeed]
BIOS EHCI Hand-Off
[Enabled]
BIOS SETUP UTILITY
Advanced
Enable support for
all USB ports