Security Option; Fast Boot; Usb Support - Gigabyte GA-P81-D3 User Manual

& Security Option
Specifies whether a password is required every time the system boots, or only when you enter BIOS Setup.
After configuring this item, set the password(s) under the Set Supervisor/User Password item in the BIOS
Main Menu.
A password is only required for entering the BIOS Setup program.
Setup
A password is required for booting the system and for entering the BIOS Setup program.
System
(Default)
& Full Screen LOGO Show
Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the
GIGABYTE Logo when the system starts up. (Default: Enabled)
& Fast Boot
Enables or disables Fast Boot to shorten the OS boot process. Ultra Fast provides the fastest bootup
speed. (Default: Disabled)
& USB Support
All USB devices are disabled before the OS boot process completes.
Disabled
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)
This item is configurable only when Fast Boot is set to Enabled. This item is disabled when Fast Boot is
set to Ultra Fast.
& PS2 Devices Support
All PS/2 devices are disabled before the OS boot process completes.
Disabled
All PS/2 devices are functional in the operating system and during the POST. (Default)
Enabled
This item is configurable only when Fast Boot is set to Enabled. This item is disabled when Fast Boot is
set to Ultra Fast.
& NetWork Stack Driver Support
Disables booting from the network. (Default)
Disabled
Enables booting from the network.
Enabled
This item is configurable only when Fast 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.
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& Limit CPUID Maximum
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
computer, reducing exposure to viruses and malicious buffer overflow attacks when working with its
supporting software and system. (Default: Enabled)
& Intel Virtualization Technology
Enables or disables Intel
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)
& VT-d
(Note)
Enables or disables Intel
®
(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.
®
(Note)
Execute Disable Bit function. This function may enhance protection for the
®
(Note)
Virtualization Technology. Virtualization enhanced by Intel
®
Virtualization Technology for Directed I/O. (Default: Enabled)
- 23 -
Virtualization
®