Lenovo ThinkPad A485, User Manual, Page: 87 / 168

Description: Select the boot priority between UEFI and Legacy.
– CSM Support (for UEFI only)
Values: Yes, No
Description: Compatibility Support Module (CSM) is required for starting the legacy operating system. If
you select
UEFI only , CSM Support is selectable. For Both or Legacy Only mode, CSM Support is
not selectable.
• Boot Mode
Values: Quick , Diagnostics
Descriptions: Define which screen is displayed during the POST, the logo screen or the text message
screen.
• Option Key Display
Values: Disabled, Enabled
Descriptions: If you disable this option, the “To interrupt normal startup, press Enter.” message will not be
displayed during the POST.
• Boot Device List F12 Option
Values: Disabled, Enabled
Descriptions: If you enable this option, you can open the Boot Menu window by continuously pressing F12
when the computer is powered on.
• Boot Order Lock
Values: Disabled , Enabled
Descriptions: Enable this option to lock the boot device priority order.
Restart menu
Note: The BIOS menu items might change without notice. Depending on the model, the default value might
vary.
• Exit Saving Changes
Descriptions: Save the changes and restart the computer.
• Exit Discarding Changes
Descriptions: Discard the changes and restart the computer. The following changes will not be discarded
and must be reset within ThinkPad Setup:
– date and time
– supervisor password
– power-on password
– hard disk password
• Load Setup Defaults
Descriptions: Restore to the factory default settings. The following changes will not be discarded and
must be reset within ThinkPad Setup:
– date and time
Note: Enable OS Optimized Defaults to meet the Windows 10 certification requirements. When you
change this setting, some other settings are changed automatically, such as CSM Support , UEFI/Legacy
Boot , UEFI/Legacy Boot Priority , Secure Boot , Secure RollBack Prevention .
• Discard Changes
Chapter 6
.
Advanced configuration
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