Lenovo 23539KU Nvidia Optimus, Power, Maximum Performance, Battery Optimized Always, Balanced

Table 5. Config menu items (continued)

Menu item	Submenu item	Value		Comments
				connector on a docking
				station.
	Graphics Device	•	Integrated Graphics	Integrated Graphics will
		•	Discrete Graphics	achieve longer battery
				life, and Discrete Graphics
		•	NVIDIA Optimus
				enhances performance.
				NVIDIA Optimus runs as
				Integrated Graphics mode
				and Discrete Graphics is
				enabled on demand.
				Note: NVIDIA Optimus
				mode should be selected
				only if you are using a
				Windows 7 model.
Power	Intel SpeedStep®	•	Disabled	Select the mode of Intel
	technology (Intel	•	Enabled	SpeedStep technology at
	SpeedStep mounted			runtime.
	models only)	Mode for AC		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:
				Reduces CPU throttling
		•	Maximize Performance	Balanced: Balances
		•	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.
	PCI Express Power	•	Disabled	Enable or disable a feature
	Management	•	Enabled	that automatically adjusts
				power management when

118User Guide