ThinkPad T470 User Manual page 91

Description: This option defines the amount of time to extend the boot process, in seconds. The system
cannot detect some external monitors during boot because they need a few seconds to be ready. Try this
option if the monitor being used does not display the boot screen.
Power
®
• Intel SpeedStep technology
Values: Disabled, Enabled
Description: Select the mode of Intel SpeedStep technology at runtime. If you select Disabled, the
highest speed, and runtime is not supported.
– 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
• Adaptive Thermal Management
Description: Select a thermal management scheme to use. The scheme affects fan sound, temperature,
and performance.
– Scheme for AC
Values: Maximum Performance, Balanced
Description: Maximum Performance: Reduce CPU throttling.
– Scheme for Battery
Values: Maximum Performance, Balanced
Description: Balanced: Balanced sound, temperature and performance.
• 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. If you select Enabled, the system is powered on when the ac power adapter is attached. If the
system is in hibernate state, the system resumes normal operation. If you select Disabled, the system is
not powered on nor resumed when the ac power adapter is attached.
• 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
.
Chapter 6 Advanced configuration
75