& USB Support
Disabled All USB devices are disabled before the OS boot process completes.
Full Initial All USB devices are functional in the operating system and during the POST.
Partial Initial Part of the USB devices are disabled before the OS boot process completes.
(Default)
ThisitemiscongurableonlywhenFast Boot is set to Enabled. This item is disabled when Fast Boot is
set to Ultra Fast.
& PS2 Devices Support
Disabled All PS/2 devices are disabled before the OS boot process completes.
Enabled All PS/2 devices are functional in the operating system and during the POST.
(Default)
ThisitemiscongurableonlywhenFast Boot is set to Enabled. This item is disabled when Fast Boot is
set to Ultra Fast.
& NetWork Stack Driver Support
Disabled Disables booting from the network. (Default)
Enabled Enables booting from the network.
ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.
& Next Boot After AC Power Loss
Normal Boot Enables normal bootup upon the return of the AC power. (Default)
Fast Boot Keeps the Fast Boot settings upon the return of the AC power.
ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.
& Limit CPUID Maximum
(Note)
Allows you to determine whether to limit CPUID maximum value. Set this item to Disabled for Windows XP
operating system; set this item to Enabled for legacy operating system such as Windows NT4.0. (Default:
Disabled)
& Execute Disable Bit
(Note)
Enables or disables Intel
®
Execute Disable Bit function. This function may enhance protection for the
computer, reducing exposure toviruses and malicious bufferoverowattackswhen working with its
supporting software and system. (Default: Enabled)
& IntelVirtualizationTechnology
(Note)
Enables or disables Intel
®
Virtualization Technology. Virtualization enhanced by Intel
®
Virtualization
Technology will allow a platform to run multiple operating systems and applications in independent partitions.
With virtualization, one computer system can function as multiple virtual systems. (Default: Enabled)
& Intel TXT(LT) Support
(Note)
Enables or disables Intel
®
Trusted Execution Technology (Intel
®
TXT). Intel
®
Trusted Execution Technology
provides a hardware-based security foundation. (Default: Disabled)
& VT-d
(Note)
Enables or disables Intel
®
Virtualization Technology for Directed I/O. (Default: Enabled)
(Note) This item is present only when you install a CPU that supports this feature. For more information about
Intel
®
CPUs' unique features, please visit Intel's website.
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