IRQ-xx assigned to [PCI Device]

When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration options: [PCI Device] [Reserved]

4.4.8USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options.

 

 

 

 

BIOS SETUP UTILITY

 

 

 

 

Advanced

 

 

 

 

USB

Configuration

 

 

 

 

 

Options

USB

Devices Enabled:

 

 

 

1

Mouse

 

 

Disabled

USB Functions

[Enabled]

 

Enabled

 

 

USB

2.0 Controller

[Enabled]

 

 

USB

2.0 Controller Mode

[HiSpeed]

 

 

BIOS EHCI Hand-Off

[Enabled]

 

 

Legacy USB Support

[Enabled]

 

 

The USB Devices Enabled item shows the auto-detected values. If no USB device is detected, the item shows None.

USB Functions [Enabled]

Allows you to enable or disable the USB functions.

Configuration options: [Disabled] [Enabled]

The following item appears only when you set USB Functions to [Enabled].

USB 2.0 Controller [Enabled]

Allows you to enable or disable the USB 2.0 controller.

Configuration options: [Enabled] [Disabled]

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or FullSpeed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed]

BIOS EHCI Hand-off [Enabled]

Allows you to enable the support for operating systems without an EHCI hand‑off feature. Configuration options: [Disabled] [Enabled]

Legacy USB Support [Enabled]

Allows you to enable or disable the support for legacy USB devices. 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]

4-30

Chapter 4: BIOS setup