Lenovo ThinkPad T540p - Manual (Page 134)

Table 5. Security menu items (continued)
Menu item Submenu item Selection Comments
Memory Protection Execution Prevention • Disabled
• Enabled
Some computer viruses
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.
Intel Virtualization
Technology • Disabled
• Enabled
If you select Enabled, a
Virtual Machine Monitor
(VMM) can utilize the
additional hardware
capabilities provided by
Virtualization Technology. Virtualization
Intel VT-d Feature • Disabled
• Enabled
Intel VT-d is 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 wireless LAN
devices.
Wireless WAN • Disabled
• Enabled
If you select Enabled, you
can use wireless WAN
devices.
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.
Ultrabay (HDD/Optical) • Disabled
• Enabled
If you select Enabled,
you can use the Ultrabay
device.
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
slots.
I/O Port Access
118 User Guide