Lenovo ThinkPad 470, User Manual, Page: 91 / 176

Description: Select the priority between shared display outputs. HDMI and Dock displays share a single
display output. This option chooses which one is prioritized.
• Total Graphics Memory
Values: 256 MB , 512 MB
Description: Allocate the total memory which Intel internal graphics shares.
Note: If you select 512 MB , the maximum usable memory might be reduced on the 32-bit operating
system.
• Boot Time Extension
Values: Disabled , 1 second, 2 seconds, 3 seconds, 5 seconds, 10 seconds
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.
Chapter 6
.
Advanced configuration
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