Gigabyte GA-H81M-S (rev. 1.0) User Manual download pdf (Page 23)

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& Security Option

Species whether a password is required every time the system boots, or only when you enter BIOS Setup.

After conguring this item, set the password(s) under the Set Supervisor/User Password item in the BIOS

Main Menu.

Setup A password is only required for entering the BIOS Setup program.

System A password is required for booting the system and for entering the BIOS Setup program.

(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)

& VGA Support

Allows you to select which type of operating system to boot.

Auto Enables legacy option ROM only.

EFI Driver Enables EFI option ROM. (Default)

This item is congurable only when Fast Boot is set to Enabled or Ultra Fast.

& 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)

This item is congurable only when Fast 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)

This item is congurable only when Fast 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.

This item is congurable 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 congurable only when Fast 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 to viruses and malicious buffer overow attacks when working with its

supporting software and system. (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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