User Manual

Display
• Boot Display Device
Values: ThinkPad LCD, External Display
Description: Select the display device that you want to activate at boot time. External Display refers to an
external display attached to the USB Type-C connector or HDMI connector on ThinkPad. If multiple
displays are attached, the boot screen appears on the first recognized one.
• Shared Display Priority
Values: HDMI, USB Type-C
Description: Select the priority between shared display outputs. The HDMI connector and the rear USB
Type-C connector share a single display output and the two connectors cannot be used simultaneously
for the external display. This option chooses which connector is prioritized for the external display.
• Total Graphics Memory
Values: 256 MB, 512 MB
Description: Allocate the total memory which Intel(R) 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: During the boot process, the computer might not detect the external monitors that need more
time to get ready. Select how long you want to extend the boot process.
Power
• Intel (R) 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 the highest speed.
– Mode for Battery
Values: Maximum Performance, Battery Optimized
Description: Battery Optimized: Always the 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: Maximize Performance, Balanced
Description:
– Maximize Performance: Reduce CPU throttling.
– Balanced: Balance sound, temperature, and performance.
– Scheme for Battery
Values: Maximize Performance, Balanced
Description:
Chapter 6. Advanced configuration 65