Asus Rampage II Extreme - Manual (Page 112)

3-30 Chapter 3: BIOS setup
3.5.5 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.
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
configure all the
devices in the system.
YES: lets the
operating system
configure Plug and Play
(PnP) devices not
required for boot if
your system has a Plug
and Play operating
system.
BIOS SETUP UTILITY
Advanced
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]
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 [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.
Configuration options: [Disabled] [Enabled] [Auto]