Lenovo ThinkPad E575 User Manual page 76

• Keyboard Beep
Values: Enabled, Disabled
Description: Enable or disable a beep when unmanageable key combinations are pressed.
Storage
This menu item is displayed only when a non-volatile memory express (NVMe) solid-state drive is installed in
the M.2 2280 Storage slot.
• Controller Mode
Values: (for computer models with the Intel Optane memory installed): AHCI mode, RST mode
Note: If a hard disk password has been set, you cannot change this setting until you delete the hard disk
password.
Description: If your computer has an Intel Optane memory installed, select RST mode so that you can
enable the Intel Optane memory in the Windows operating system.
CPU
• Core Multi-Processing
Values: Enabled, Disabled
Description: Select Enabled to allow additional execution core units within a microprocessor. Select
Disabled to allow only one execution core unit within a microprocessor.
• Intel (R) Hyper-Threading Technology
Values: Disabled, Enabled
Description: Enabled: This selection enables additional microprocessor threads. These threads appear as
additional processors but share some resources with the other threads within a microprocessor.
Disabled: This selection enables only one thread within each execution core unit.
Note: These sub-menus are available on models with an Intel CPU.
Date/Time menu
Note: The BIOS menu items might change without notice. Depending on the model, the default value might
vary.
• System Date
Descriptions: Set or change the date of the system.
• System Time
Descriptions: Set or change the time of the system.
Security menu
Note: The BIOS menu items might change without notice. Depending on the model, the default value might
vary.
Password
• Supervisor Password
Values: Disabled, Enabled
Descriptions: Set a supervisor password to prevent unauthorized users from changing the startup
sequence, network related settings, and system date and time. For more information, see "Passwords
introduction" on page 43.
• Lock UEFI BIOS Settings
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ThinkPad E570, E570c, and E575 User Guide