Lenovo ThinkPad X280, Руководство пользователя

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– Balanced: Balance sound, temperature, and performance.
– Scheme for Battery
Values: Maximize Performance, Balanced
Description:
– Balanced : Balance sound, temperature, and performance.
– Maximize Performance: Reduce CPU throttling.
• 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.
• Power On with AC Attach
Values: Disabled , Enabled
Description: Enable or disable a feature that turns on the computer when the ac power adapter is
attached.
• 8254 Timer Clock Gating
Values: Auto , Disabled
Description: Select 8254 Timer Clock Gating setting. If you select Auto , 8254 Timer clock stops only when
the startup setting is set as UEFI Only and CSM Support is set as No . If you select Disabled , 8254 Timer
clock is running always.
• Disable Built-in Battery
Values: Yes, No
Description: Temporary disable the built-in battery for servicing the system. After selecting this item, the
system will be automatically powered off, then ready to be serviced.
Note: The built-in battery will be automatically enabled when the ac power 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.
Thunderbolt(TM) 3
• Wake by Thunderbolt(TM) 3
Values: Disabled, Enabled
Description: Enable or disable the wake-up function of the Thunderbolt(TM) 3 connector. If you select
Enabled , the battery life during the low power status might become shorter.
• Security level
Values: No Security, User Authorization , Secure Connect, Display Port and USB
Description: Select the security level:
– No Security: Allow Thunderbolt devices to be connected automatically.
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X280 User Guide