Lenovo ThinkPad L530 (English) User Guide - Page 132
Menu item, Selection, Comments, Enabled, Disabled, UEFI BIOS Update Option, Memory Protection
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Table 5. Security menu items (continued) Menu item Submenu item Selection Physical Presence for Clear • Disabled • Enabled UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled Secure RollBack Prevention • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled Virtualization Intel Virtualization Technology • Disabled • Enabled Intel VT-d Feature • Disabled • Enabled Comments the settings of the security chip. This option enables or disables the confirmation message when you clear the security chip. 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. If you select Disabled, end-user can flash older version of the UEFI BIOS. If you select Enabled, end-user can not flash older version of the UEFI BIOS. Use the Data Execution Prevention feature to protect your computer against attacks from viruses and worms by selecting Enabled. If you find that the application program does not run correctly after choosing Enabled select Disabled and reset the setting. If you select Enabled, a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel 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. 114 User Guide