Lenovo 11433FU User Manual - Page 138
Security menu items, Menu item, Selection, Comments, Enabled, Password, UEFI Update Option
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Table 4. Config menu items (continued) Menu item Submenu item CPU Core Multi-Processing Selection • Disabled • Enabled Intel Hyper-Threading Technology • Disabled • Enabled Security menu items Table 5. Security menu items Menu item Submenu item Password Selection UEFI Update Option Flash UEFI Updating by End-Users • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled Comments Enables or disables additional execution core units within a CPU. Note: If you are using a computer with a single-core processor, this item does not appear. Note: For Core Multi-Processing, refer to the instructions in "Installing Windows XP" on page 109. Enables or disables additional logical processors within a processor core. Comments Refer to "Security menu" on page 114 and "Using passwords" on page 59. If you select "Enabled", all users can update the Flash UEFI. If you select "Disabled", only the person who knows supervisor password can update the Flash UEFI. 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. 120 User Guide