Lenovo ThinkPad T430 (English) User Guide - Page 140
Menu item, Value, Comments, Disabled, Enabled, UEFI BIOS, Update Option, Memory, Protection - bios update utility
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Table 6. Security menu items (continued) Menu item Submenu item Physical Presence for Provisioning UEFI BIOS Update Option Physical Presence for Clear Flash BIOS Updating by End-Users Value • Disabled • Enabled • Disabled • Enabled • 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 I/O Port Access Ethernet LAN Wireless LAN WiMAX Wireless WAN Bluetooth USB Port ExpressCard Slot Ultrabay (HDD/Optical) • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Comments This option enables or disables the confirmation message when you change 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, you can flash to the previous version of UEFI BIOS. If you select Enabled, you can not flash to the previous version of UEFI BIOS. 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 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. 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 Bluetooth devices. If you select Enabled, you can use USB connectors. If you select Enabled, you can use the ExpressCard slot. If you select Enabled, you can use Ultrabay Enhanced devices. 122 User Guide