Asus P5QL - Manual (Page 56)

2-18 Chapter 2: BIOS information
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 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]
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). This item appears only when you enable the USB 2.0 Controller item.
Configuration options: [FullSpeed ] [HiSpeed ]
BIOS EHCI Hand-off [Enabled]
Allows you to enable support for operating systems without an EHCI hand-off feature.
Configuration options: [Disabled] [Enabled]
Legacy USB Support [Auto]
Allows you to enable or disable 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]
2.5.5 PCI PnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values
can cause the system to malfunction.
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]