Asus P5Q-EM DO Computer Hardware User Manual


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2-28 Chapter 2: BIOS setup
Legacy USB Support [Auto]
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.
Conguration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or FullSpeed (12
Mbps).
Conguration options: [FullSpeed] [HiSpeed]
BIOS EHCI Hand-off [Enabled]
Allows you to enable the support for operating systems without an EHCI hand-off feature.
Conguration options: [Disabled] [Enabled]
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 congures all the devices in the system. When set to [YES] and if
you install a Plug and Play operating system, the operating system congures the Plug and
Play devices not required for boot.
Conguration options: [No] [Yes]
Advanced PCI/PnP Settings
WARNING: Setting wrong values in below sections
may cause system to malfunction.
Plug And Play O/S [No]
NO: lets the BIOS
congure all the
devices in the system.
YES: lets the
operating system
congure Plug and
Play (PnP) devices not
required for boot if
BIOS SETUP UTILITY
Advanced
P5Q-EM DO.indb 28 12/9/08 12:35:56 PM
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