Lenovo ThinkPad X1 Carbon (English) User Guide - Page 83

Digital on Thinkpad, ThinkPad LCD

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Table 5. Config menu items (continued) Menu item Submenu item Display Boot Display Device Power Intel SpeedStep® technology (Intel SpeedStep mounted models only) Adaptive Thermal Management CPU Power Management PCI Express Power Management Power On with AC Attach Selection • ThinkPad LCD • Digital on ThinkPad Comments Select the display device that is to be active at boot time. This selection is effective for boot time, password prompt, and ThinkPad Setup. Digital on Thinkpad is the Mini DisplayPort on your computer. • Disabled • Enabled Select the mode of Intel SpeedStep technology at runtime. Mode for AC • Maximum Performance • Battery Optimized Mode for Battery • Maximum Performance • Battery Optimized • Maximum Performance: Always highest speed • Battery Optimized: Always lowest speed • Disabled: No runtime support, lowest speed Scheme for AC • Maximize Performance • Balanced Scheme for Battery Select a thermal management scheme to use. Maximize Performance: Reduces CPU throttling • Maximize Performance • Balanced Balanced: Balances sound, temperature, and performance • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Note: Each scheme affects fan sound, temperature, and performance. Enables or disables 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. Enable or disable a feature that automatically adjusts power management when there is no PCI Express activity. Normally, it is not necessary to change the setting. Enable or disable a feature that powers on the system when the ac power adapter is attached. Chapter 6. Advanced configuration 69

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Table 5. Config menu items (continued)
Menu item
Submenu item
Selection
Comments
Display
Boot Display Device
ThinkPad LCD
Digital on ThinkPad
Select the display device
that is to be active at boot
time.
This selection is
effective for boot time,
password prompt, and
ThinkPad Setup.
Digital on Thinkpad
is the
Mini DisplayPort on your
computer.
Intel SpeedStep
®
technology (Intel
SpeedStep mounted
models only)
Disabled
Enabled
Mode for AC
Maximum Performance
Battery Optimized
Mode for Battery
Maximum Performance
Battery Optimized
Select the mode of Intel
SpeedStep technology at
runtime.
Maximum
Performance
: Always
highest speed
Battery Optimized
:
Always lowest speed
Disabled
: No runtime
support, lowest speed
Adaptive Thermal
Management
Scheme for AC
Maximize Performance
Balanced
Scheme for Battery
Maximize Performance
Balanced
Select a thermal
management scheme
to use.
Maximize Performance
:
Reduces CPU throttling
Balanced
: Balances
sound, temperature, and
performance
Note
: Each scheme affects
fan sound, temperature,
and performance.
CPU Power Management
Disabled
Enabled
Enables or disables 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.
PCI Express Power
Management
Disabled
Enabled
Enable or disable a feature
that automatically adjusts
power management when
there is no PCI Express
activity. Normally, it is not
necessary to change the
setting.
Power On with AC Attach
Disabled
Enabled
Enable or disable a feature
that powers on the system
when the ac power adapter
is attached.
Power
Chapter 6
.
Advanced configuration
69