Lenovo 243858U Laptop User Manual


 
Table 7. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Flash BIOS Updating by
End-Users (Windows 7)
Flash Firmware
Updating by End-Users
Disabled
Enabled
If you select Enabled, all users can update the
UEFI BIOS. If you select Disabled, only the
person who knows the supervisor password can
update the UEFI BIOS.
UEFI BIOS
Update Option or
UEFI Firmware
Update Option
Secure RollBack
Prevention
Disabled
Enabled
If you select Disabled, you can ash the older
version UEFI BIOS.
Memory
Protection
Execution Prevention Disabled
Enabled
Some computer viruses and worms cause
memory buffers to overow. By selecting
Enabled, you can protect your computer against
attacks by such viruses and worms. If after
choosing Enabled you nd that a program does
not run correctly, select Disabled and reset the
setting.
Intel Virtualization
Technology
Disabled
Enabled
If you select Enabled, a Virtual Machine Monitor
(VMM) can utilize the additional hardware
capabilities provided by Intel Virtualization
Technology.
Virtualization
Intel VT-d Feature Disabled
Enabled
Intel VT-d stands for Intel Virtualization
Technology for Directed I/O. When enabled, a
VMM can utilize the platform infrastructure for I/O
virtualization.
Ethernet LAN Disabled
Enabled
If you select Enabled, you can use the Ethernet
LAN device.
Wireless LAN Disabled
Enabled
If you select Enabled, you can use the wireless
LAN device.
Wireless WAN Disabled
Enabled
If you select Enabled, you can use the wireless
WAN device.
Bluetooth Disabled
Enabled
If you select Enabled, you can use Bluetooth
devices.
USB Port
Disabled
Enabled
If you select Enabled, you can use USB
connectors.
ExpressCard Slot
Disabled
Enabled
If you select Enabled, you can use the
ExpressCard slot.
Ultrabay (HDD/Optical)
Disabled
Enabled
If you select Enabled, you can use Ultrabay
Enhanced devices.
Memory Card Slot
Disabled
Enabled
If you select Enabled, you can use the memory
card slots.
Smart Card Slot
Disabled
Enabled
If you select Enabled, you can use the smart
card slot.
Integrated Camera
Disabled
Enabled
If you select Enabled, you can use the integrated
camera.
Microphone Disabled
Enabled
If you select Enabled, you can use the
microphones (internal, external, or line-in).
I/O Port Access
Chapter 8. Advanced conguration 125