Biostar PT890 775 Setup Manual page 64

Limit CPUID MaxVal
Set Limit CPUID MaxVal to 3, it should be "Disabled" for Windows XP.
The Choices: Disabled (default), Enabled.
C1E Function
This item allows you to configure the Enhanced Halt State (C1E) function,
which may reduce the power consumption of your system when the system is
idle.
The Choices: Auto (default)，Disabled.
Execute Disable Bit
This item allows you to configure the Execute Disabled Bit function, which
protects your system from buffer overflow attacks.
The Choices: Enabled (default), Disabled.
Virtualization Technology
Virtualization Technology can virtually separate your system resource into
several parts, thus enhance the performance when running virtual machines or
multi interface systems.
The Choices: Enabled (default), Disabled.
Virus Warning
This option allows you to choose the VIRUS Warning feature that is used to
protect the IDE Hard Disk boot sector. If this function is enabled and an attempt
is made to write to the boot sector, BIOS will display a warning message on the
screen and sound an alarm beep.
Disabled (default) Virus protection is disabled.
Enabled Virus protection is activated.
Hyper-Threading Technology
This option allows you to enable or disabled Hyper-Threading Technology.
"Enabled" for Windows XP and Linux 2.4.x (OS optimized for
Hyper-Threading Technology). "Disable" for other OS (OS not optimized for
Hyper-Threading Technology).
The Choices: Enabled (default), Disabled.
PT890 775
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