Lenovo X230I Menu item Submenu item Value Comments Display, ThinkPad LCD, Digital on ThinkPad is

Table 5. Config menu items (continued)

Menu item	Submenu item	Value		Comments
Display	Boot Display Device	•	ThinkPad LCD	Select the display device
		•	Analog (VGA)	that is to be activated at
				boot time. This selection
		•	Digital on ThinkPad
				is effective for boot time,
		•	Digital 1 on dock	password prompt, and
		• Digital 2 on dock		ThinkPad Setup.
				Digital on ThinkPad is the
				Mini DisplayPort on your
				computer.
				Digital 1 on dock and
				Digital 2 on dock
				are DisplayPort or DVI
				connectors on a docking
				station.
Power	Intel SpeedStep®	•	Disabled	Select the mode of Intel
	technology	•	Enabled	SpeedStep technology at
				runtime.
	(Intel SpeedStep mounted
		Mode for AC
	models only)			Maximum Performance:
		•	Maximum Performance
				Always highest speed
		•	Battery Optimized	Battery Optimized: Always
		Mode for Battery		lowest speed
		•	Maximum Performance	Disabled: No runtime
		•	Battery Optimized	support, lowest speed
	Adaptive Thermal	Scheme for AC		Select a thermal
	Management	•	Maximize Performance	management scheme
				to use.
		•	Balanced
		Scheme for Battery		Maximize Performance:
				Reduce CPU throttling
		•	Maximize Performance	Balanced: Balance
		•	Balanced
				sound, temperature, and
				performance
				Note: Each scheme affects
				fan sound, temperature,
				and performance.
	Optical Drive Speed	•	High Performance	Set the speed of the
		•	Normal	optical drive to the desired
				performance.
		•	Silent
	CPU Power Management	•	Disabled	Enable or disable the power
		•	Enabled	saving feature that stops
				the microprocessor clock
				automatically when there
				are no system activities.
				Normally, it is not necessary
				to change the setting.

112User Guide