Lenovo ThinkPad Edge E425 (English) User Guide - Page 120
Menu item, Selection, Comments, Enabled, Disabled, Beep and Alarm, Serial ATA SATA, Password
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Table 4. Config menu items (continued) Menu item Submenu item Beep and Alarm Power Control Beep Selection • Disabled • Enabled Serial ATA (SATA) Low Battery Alarm Password Beep • Disabled • Enabled • Disabled • Enabled Keyboard Beep SATA Controller Mode Option • Enabled • Disabled • Compatibility • AHCI Security menu items Table 5. Security menu items Menu item Submenu item Password Selection UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled 102 User Guide Comments If this function is enabled, a beep sounds when the computer enters a power management mode, when it resumes operational mode, and when the ac power adapter is connected or disconnected. Enables or disables the low battery alarm. If you enable this function, a beep sounds when a password prompt is displayed, and again if you type a wrong password. Enables or disables keyboard beep when unmanageable key combinations are pressed. Selects SATA controller operation mode. If you select "Compatibility mode," SATA controller operates in compatibility mode. Comments Refer to "Security menu" on page 97 and "Using passwords" on page 53. 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. 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