Asus P4P800-X User Manual download pdf (Page 58)

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Chapter 2: BIOS Setup

2.4.6 USB 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.

USB Configuration

Module Version : 2.22.4-5.3

USB Devices Enabled: None

USB Function [Enabled]

Legacy USB Support [Auto]

USB 2.0 Controller [Enabled]

USB 2.0 Controller Mode [HiSpeed]

USB Mass Storage Device Configuration

The Module Version and USB Devices Enabled items show the auto-detected

values. If no USB device is detected, the item shows None.

Enables USB host

controllers.

USB Function [Enabled]

Allows you to enable or disable the USB function.

Configuration options: [Disabled] [Enabled]

PCI Latency Timer [64]

Allows you to select the value in units of PCI clocks for the PCI device latency

timer register. Configuration options: [32] [64] [96] [128] [160] [192] [224] [248]

Allocate IRQ to PCI VGA [Yes]

When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for

an IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even

if requested. Configuration options: [No] [Yes]

Palette Snooping [Disabled]

When set to [Enabled], the palette snooping feature informs the PCI devices that

an ISA graphics device is installed in the system so that the latter can function

correctly. Setting to [Disabled] deactivates this feature.

Configuration options: [Disabled] [Enabled]

PCI IDE BusMaster [Enabled]

Allows BIOS to use PCI bus mastering when reading/writing to IDE devices.

Configuration options: [Disabled] [Enabled]

IRQ xx [Available]

When set to [Available], 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: [Available] [Reserved]

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Asus P4P800-X User Manual Page 58