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4-28 Chapter 4: BIOS setup
BIOS EHCI Hand-off [Enabled]
Allows you to enable the support for operating systems without an EHCI hand-off
feature. Conguration options: [Disabled] [Enabled]
Port 64/60 Emulation [Disabled]
Allows you to enable or disable the I/O port 60h/64h emulation support. This item
should be enabled for the complete USB keyboard legacy support for non-USB
aware OSes. Conguration 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.
Conguration options: [Disabled] [Enabled] [Auto]
4.5.5 PCI PnP
The PCIPnP 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
eld values can cause the system to malfunction.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.61 (C)Copyright 1985-2007, American Megatrends, Inc.
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
congure all the
devices in the system.
YES: lets the
operating system
congure 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 congures all the devices in the system. When set to
[Yes] and if you install a Plug and Play operating system, the operating system
congures the Plug and Play devices not required for boot.
Conguration options: [No] [Yes]