Lenovo X131E manual Menu item Submenu item Selection Comments Memory Protection, Virtualization

Table 5. Security menu items (continued)

Menu item	Submenu item	Selection		Comments
Memory Protection	Execution Prevention	•	Disabled	Some computer viruses
		•	Enabled	and worms cause memory
				buffers to overflow by
				running code where only
				data is allowed. If the
				Data Execution Prevention
				feature can be used with
				your operating system, then
				by selecting Enabled you
				can protect your computer
				against attacks by such
				viruses and worms. If after
				choosing Enabled you find
				that a program does not run
				correctly, select Disabled
				and reset the setting.
Virtualization	AMD-V Technology	•	Disabled	If you select Enabled, a
		•	Enabled	Virtual Machine Monitor
				(VMM) can utilize the
				additional hardware
				capabilities provided by
				Virtualization Technology.
	Intel VT-d Feature	•	Disabled	Intel VT-d is Intel
		•	Enabled	Virtualization Technology
				for Directed I/O. When
				enabled, a VMM can utilize
				the platform infrastructure
				for I/O virtualization.
				Note: This sub-menu is not
				available in models with an
				AMD CPU.
I/O Port Access	Ethernet LAN	•	Disabled	If you select Enabled, you
		•	Enabled	can use the Ethernet LAN
				device.
	Wireless LAN	•	Disabled	If you select Enabled, you
		•	Enabled	can use the Wireless LAN
				device.
	Wireless WAN	•	Disabled	If you select Enabled, you
		•	Enabled	can use the Wireless WAN
				device.
	Bluetooth	•	Disabled	If you select Enabled,
		•	Enabled	you can use the Bluetooth
				device.
	USB Port	•	Disabled	If you select Enabled,
		•	Enabled	you can use the USB
				connectors.
	Memory Card Slot	•	Disabled	If you select Enabled, you
		•	Enabled	can use the memory
				card slot for SD or
				MultiMediaCard.

Chapter 7. Advanced configuration 97