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CPU Features Submenu of the Advanced Menu
The CPU Features Submenu configures the system processor. Note that this submenu only appears in certain configura-
tions, based upon the system CPU.
Figure 9. CPU Features Submenu
Menu Field Options Default Description
SpeedStep(R)
Technology:
• Disabled
• Enabled
[Enabled] Enables or disables SpeedStep(R) Technology which
allows the user to determine the CPU performance when
the tablet is running on AC or battery. This technology
decreases power consumption by decreasing CPU speeds.
On Battery:
• Maximum Performance
• Battery Optimized
• Automatic
[Battery
Optimized]
Allows the user to select the CPU performance when the
system is running on battery power.
On AC:
• Maximum
Performance
• Battery Optimized
• Automatic
[Maximum
Performance]
Allows the user to select the CPU performance when the
system is running on AC power.
XD Bit
functionality:
• Disabled
• Enabled
[Enabled] Allows the user to enable and disable the Execute Disable
Bit functionality. Execute Disable Bit allows the processor
to classify areas in memory where application code can
and cannot execute. In the event an internet worm
attempts to insert code in the buffer, the processor
disables code execution to prevent damage or worm
propagation.
F1 Help
ESC Exit
Select Item
Select Menu
-/Space
Enter
F9 Setup Defaults
F10 Save and Exit
Change Values
Select Sub-Menu
▲
Main Advanced Security Power Savings Exit
Item Specific Help
PhoenixBIOS Setup Utility
Select Enhanced
Intel(R) SpeedStep(R)
Technology enabled or
disabled.
CPU Features
SpeedStep(R) Technology: [Enabled]
On Battery: [Battery Optimized]
On AC: [Maximum Performance]
XD Bit functionality: [Enabled]
Advanced Menu