ASUS p7p55 lx Manuel D’Utilisation

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Chapter 2: BIOS information
2-21
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]
2.5.6 
Intel VT-d [Disabled]
Enables or disables the Intel Virtualization Technology for Directed I/O. Configuration options: 
[Enabled] [Disabled]
2.6 
Power menu
The Power menu items allow you to change the settings for the Advanced Power 
Management (APM). Select an item then press <Enter> to display the configuration options.
v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
BIOS SETUP UTILITY
 Main    Ai Tweaker    Advanced    
Power
    Boot    Tools    Exit
Select the ACPI state 
used for System 
Suspend.
←→   Select Screen
↑↓    Select Item
+-    Change Option
F1    General Help
F10   Save and Exit
ESC   Exit
Suspend Mode 
 
[Auto]
ACPI 2.0 Support 
 
[Enabled]
ACPI APIC Support 
 
[Enabled]
  APM Configuration
  Hardware Monitor