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Table 5. Cong 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 conguration 69