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LifeBook E Series BIOS
CPU Features Submenu of the Advanced Menu
The CPU Features submenu provides options for configuring the Intel SpeedStep power management features of the
CPU.
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 the SpeedStep(R) Technology features. When
disabled, On Battery and On AC are disabled.
On Battery:
■
Maximum
Performance
■
Battery Optimized
■
Automatic
[Battery
Optimized]
When Maximum Performance is selected, CPU speed is maxi-
mized. When Battery Optimized is selected, CPU power require-
ments are optimized for battery operation. When Automatic is
selected, the CPU speed is determined by the power source used.
On AC:
■
Maximum
Performance
■
Battery Optimized
■
Automatic
[Maximum
Performance]
When Maximum Performance is selected, CPU speed is maxi-
mized. When Battery Optimized is selected, CPU power require-
ments are optimized for battery operation. When Automatic is
selected, the CPU speed is determined by the power source used.
XD Bit
functionality:
■
Enabled
■
Disabled
[Enabled] Enables or disables the Execute Disable Bit feature.
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:
On Battery: [Battery Optimized]
On AC: [Maximum Performance]
XD Bit functionality: [Enabled]
[Enabled]