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4 usb configuration, 5 pcipnp, Usb configuration -20 – Asus P7H55-V User Manual

Page 56: Pcipnp -20

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ASUS P7H55-V

2.5.4

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.

The USB Devices Enabled item shows the auto-detected values. If no USB device is

detected, the item shows None.

USB Functions [Enabled]

Enables or disables the USB Host Controllers. Configuration options: [Enabled] [Disabled]

The following items appear only when you set USB Support to [Enabled].

Legacy USB Support [Auto]

[Disabled]

Disables the function.

[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.

BIOS EHCI Hand-off [Enabled]

[Disabled]

Disables the function.

[Enabled]

Enables the support for operating systems without an EHCI hand-off

feature.

2.5.5

PCIPnP

The PCIPnP menu items allow you to change the advanced settings for PCI/PnP devices.

Plug And Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if

you install a Plug and Play operating system, the operating system configures the Plug and

Play devices not required for boot. Configuration options: [No] [Yes]