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•
Security Chip
(for TPM 2.0)
Values:
Enabled
, Disabled
Descriptions: Enable or disable the security chip.
•
Security Reporting Options
–
SMBIOS Reporting
Values:
Enabled
, Disabled
Descriptions: When enabled, changes to corresponding UEFI BIOS data are logged in a location,
(PCR1, defined in the TCG standards), which other authorized programs can monitor, read and analyze.
•
Clear Security Chip
Descriptions: Use this option to clear the encryption key. It will not be possible to access already-
encrypted data after these keys are cleared.
•
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:
Enabled
, Disabled
Descriptions: Enable or disable the Windows UEFI Firmware Update feature. Select
Enabled
to allow
Windows UEFI Firmware Update. If you select Disabled, BIOS will skip 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
•
AMD-V(TM) Technology
Values:
Disabled
, Enabled
Descriptions: If you select
Enabled
, a VMM can utilize the additional hardware capabilities provided by
AMD Virtualization
™
technology.
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A485 User Guide
Summary of Contents for ThinkPad A485
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