Lenovo ThinkPad X121e (English) User Guide - Page 135
Menu item, Selection, Comments, Memory Protection, Enabled, Disabled, Virtualization, I/O Port Access
View all Lenovo ThinkPad X121e manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 135 highlights
Table 4. Security menu items (continued) Menu item Submenu item Memory Protection Execution Prevention Virtualization Intel Virtualization Technology AMD-V Technology Intel VT-d Feature I/O Port Access Ethernet LAN Wireless LAN WiMAX Wireless WAN Bluetooth USB Port Memory Card Slot Selection • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Comments 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 an application program does not run correctly, select "Disabled" and reset the setting. If you select "Enabled," a VMM (Virtual Machine Monitor) can utilize the additional hardware capabilities provided by Virtualization Technology. Intel VT-d is Intel 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 supported in AMD models. If you select "Enabled," you can use the Ethernet LAN device. If you select "Enabled," you can use the Wireless LAN device. If you select "Enabled", you can use the WiMAX device. If you select "Enabled," you can use the Wireless WAN device. If you select "Enabled," you can use the Bluetooth device. If you select "Enabled," you can use the USB port. If you select "Enabled," you can use the Memory Card slot (SD Card or MultiMediaCard). Chapter 8. Advanced configuration 119