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LifeBook S Series Notebook BIOS
CPU Features Submenu of the Advanced Menu
The CPU Features Submenu allows you to change the settings for Intel(R) SpeedStep(R) Technology for your system.
Figure 9. CPU Features Submenu
Table 9: Fields, Options and Defaults for the CPU Features Submenu of the Advanced Menu
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 run-
ning on AC or battery. This technology decreases power consump-
tion 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:
■
Enabled
■
Disabled]
[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
Select Enhanced
Intel(R) SpeedStep(R)
Technology enabled or
disabled.
CPU Features
PhoenixBIOS Setup Utility
SpeedStep(R) Technology:
On Battery: [Battery Optimized]
On AC: [Maximum Performance]
XD Bit functionality: [Enabled]
[Enabled]