Lenovo ThinkPad X1 Extreme, User Manual

Page: 60 / 140

– Scheme for AC
Values: Maximize Performance , Balanced
Description:
– Maximize Performance : Reduce CPU throttling.
– 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: If you select Auto , Timer clock stops only when startup is set to UEFI Only and CSM
Support: No . If you select Disabled , 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.
Storage
• Controller Mode
Values: AHCI mode , RST mode
Description: RST mode enables Intel RST and system enables RAID mode. AHCI mode , Serial ATA
controller operates in AHCI mode.
56
P1/X1 Extreme User Guide