Lenovo 20JD, User Manual, Page: 87 / 150

– SMBIOS Reporting
Values: Disabled, Enabled
Descriptions: Enable or disable the feature that reports the SMBOS data. This option is displayed only
if
Security Chip is Enabled .
• Clear Security Chip
Descriptions: Use this option to clear the encryption key.
• Intel (R) TXT Feature :
Values: Disabled , Enabled
Descriptions: Enable or disable the Intel Trusted Execution Technology.
• Physical Presence for Clear
Values: Disabled , Enabled
Descriptions: If this option is enabled, a confirmation message is displayed when you clear the security
chip.
UEFI BIOS Update Option
• Flash BIOS Updating by End-Users
Values: Disabled, Enabled
Descriptions: When this option is enabled, all users can update the UEFI BIOS. If you disable this option,
only the person who knows the supervisor password can update the UEFI BIOS.
• Secure RollBack Prevention
Values: Disabled , Enabled
Descriptions: When this option is disabled, you can flash the UEFI BIOS to earlier version.
Note: This item is set as Disabled by default when the OS Optimized Defaults on the Restart menu is set
as Disabled . This item is set as Enabled by default when the OS Optimized Defaults is set as Enabled .
• Windows UEFI Firmware Update
Values: Disabled, Enabled
Descriptions: This option enables or disables the Windows UEFI Firmware Update feature. Select Enabled
to allow Windows UEFI Firmware Update. Select Disabled to skip the Windows UEFI Firmware Update.
Memory Protection
• Execution Prevention
Values: Disabled, Enabled
Descriptions: Some computer viruses and worms cause memory buffers to overflow. By enabling this
option, you can protect your computer against attacks from such viruses and worms. If the option is
enabled but you find that a program does not run properly, disable this option first and then reset the
settings.
Virtualization
• Intel (R) Virtualization Technology
Values: Disabled , Enabled
Descriptions: If this option is enabled, a Virtual Machine Monitor (VMM) can utilize the additional hardware
capabilities provided by Intel Virtualization Technology.
• Intel (R) VT-d Feature
Values: Disabled , Enabled
Chapter 6
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Advanced configuration
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