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2 usb configuration, Legacy usb support [auto, Port 64/60 emulation [disabled – Asus V3-P5G965 User Manual

Page 84: Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled

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Chapter 5: BIOS setup

Legacy USB Support [Auto]

Allows you to enable or disable support for USB devices on legacy

operating systems (OS). Setting to 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. Configuration options: [Disabled] [Enabled] [Auto]

Port 64/60 Emulation [Disabled]

Allows you to disable or enable the I/O port 60h/64h emulation support.

This should be enabled for the complete USB keyboard legacy support for

non-USB aware OSes. Configuration options: [Disabled] [Enabled]

USB 2.0 Controller Mode [HiSpeed]

Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or

Full Speed (12 Mbps). Configuration options: [HiSpeed] [Full Speed]

BIOS EHCI Hand-Off [Enabled]

Allows you to enable support for operating systems without an EHCI

hand-off feature. Configuration options: [Disabled] [Enabled]

The Module Version and USB Devices Enabled items show the

auto-detected values. If no USB device is detected, the item shows

None.

5.4.2 USB Configuration

The items in this menu allows you to change the USB-related features.

Select an item then press to display the configuration options.

USB Configuration

Module Version - 2.24.0-11.4

USB Devices Enabled:

None

Legacy USB Support

[Auto]

Port 64/60 Emulation

[Disabled]

USB 2.0 Controller Mode

[HiSpeed]

BIOS EHCI Hand-Off

[Enabled]

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