Lenovo S430 manual Memory Protection, Virtualization, Port Access

Table 5. Security menu items (continued)

Menu item	Submenu item	Selection		Comments
UEFI BIOS Update Option	Flash BIOS Updating by	•	Disabled	If you select Enabled, all users can
	End-Users	•	Enabled	update the UEFI BIOS. If you select
				Disabled, only the person who
				knows the supervisor password can
				update the UEFI BIOS.
	Secure RollBack	•	Disabled	If you select Disabled, you can flash
	Prevention	•	Enabled	the older version the UEFI BIOS.
Memory Protection	Execution Prevention	•	Disabled	Some computer viruses and worms
		•	Enabled	cause memory buffers to overflow.
				By selecting Enabled you can
				protect your computer against
				attacks by such viruses and worms.
				If you find that an application
				program does not run correctly after
				choosing Enabled, select Disabled
				and reset the setting.
Virtualization	Intel (R) Virtualization	•	Disabled	If you select Enabled, a Virtual
	Technology	•	Enabled	Machine Monitor (VMM) can utilize
				the additional hardware capabilities
				provided by Virtualization
				Technology.
	Intel VT-d Feature	•	Disabled	Intel VT-d stands for Intel
		•	Enabled	Virtualization Technology for
				directed I/O. When enabled, a VMM
				can utilize the platform infrastructure
				for I/O virtualization.
I/O Port Access	Ethernet LAN	•	Disabled	If you select Enabled, you can use
		•	Enabled	the Ethernet LAN device.
	Wireless LAN	•	Disabled	If you select Enabled, you can use
		•	Enabled	the Wireless LAN device.
	Wireless WAN	•	Disabled	If you select Enabled, you can use
		•	Enabled	the Wireless WAN device.
	Bluetooth	•	Disabled	If you select Enabled, you can use
		•	Enabled	the Bluetooth device.
	USB Port	•	Disabled	If you select Enabled, you can use
		•	Enabled	the USB connectors.
	Optical Drive	•	Disabled	If you select Enabled, you can use
		•	Enabled	the optical device.
	Memory Card Slot	•	Disabled	If you select Enabled, you can use
		•	Enabled	the memory card slot for a SD card
				or a MultiMediaCard.
	Integrated Camera	•	Disabled	If you select Enabled, you can use
		•	Enabled	the integrated camera.
	Microphone	•	Disabled	If you select Enabled, you can use
		•	Enabled	the microphone (internal, external,
				or line-in).

Chapter 7. Advanced configuration 95