ThinkPad E470 User Manual page 65

Power
®
• Intel SpeedStep technology
Values: Disabled, Enabled
Description: Select the mode of Intel SpeedStep technology at runtime.
– Mode for AC
Values: Maximum Performance, Battery Optimized
Description: Maximum Performance: Always highest speed
– Mode for Battery
Values: Maximum Performance, Battery Optimized
Description: Battery Optimized: Always lowest speed
Note: This submenu is available on models with an Intel CPU.
• CPU Power Management
Values: Disabled, Enabled
Description: Enable or disable the power-saving feature that stops the microprocessor clock automatically
when there are no system activities. Normally, it is not necessary to change the setting.
• Disable Built-in Battery
Values: Yes, No
Description: Temporary disable battery for servicing the system. After selecting this item, the system will
be automatically powered off, then ready to be serviced. Note: the battery will be automatically enabled
when the AC adapter is reconnected.
Beep and Alarm
• Password Beep
Values: Disabled, Enabled
Description: Enable or disable a beep when the computer is waiting for a power-on, hard disk, or
supervisor password. Different beeps remind you that the password you entered is right or wrong.
• Keyboard Beep
Values: Enabled, Disabled
Description: Enable or disable a beep when unmanageable key combinations are pressed.
CPU
• Core Multi-Processing
Values: Enabled, Disabled
Description: Select Enabled to allow additional execution core units within a microprocessor. Select
Disable to allow only one execution core unit within a microprocessor.
• Intel (R) Hyper-Threading Technology
Values: Disabled, Enabled
Description: Enabled: This selection enables additional microprocessor threads. These threads appear
as additional processors but share some resources with the other threads within a microprocessor.
Disable: This selection enables only one thread within each execution core unit.
Note: These submenus are available on models with an Intel CPU.
.
Chapter 5 Advanced configuration
49