Option
Description
TXT fields if the
TPM Status
field is set to either
On with Pre-boot Measurements
or
On without Pre-boot Measurements
.
TPM Information
Changes the operational state of the TPM. This option is set to
No Change
by
default.
TPM Status
Specifies the TPM status.
TPM Command
CAUTION: Clearing the TPM results in the loss of all keys in the TPM. The
loss of TPM keys may affect booting to the operating system.
Clears all the contents of the TPM. The
TPM Clear
option is set to
No
by default.
Intel TXT
Enables or disables the Intel Trusted Execution Technology (TXT) option. To enable
the
Intel TXT
option, virtualization technology and TPM Security must be enabled
with Pre-boot measurements. This option is set to
Off
by default.
Power Button
Enables or disables the power button on the front of the system. This option is set
to
Enabled
by default.
AC Power
Recovery
Sets how the system behaves after AC power is restored to the system. This option
is set to
Last
by default.
UEFI Variable
Access
Provides varying degrees of securing UEFI variables. When set to
Standard
(the
default), UEFI variables are accessible in the operating system per the UEFI
specification. When set to
Controlled
, selected UEFI variables are protected in the
environment and new UEFI boot entries are forced to be at the end of the current
boot order.
Secure Boot
Enables Secure Boot, where the BIOS authenticates each pre-boot image by using
the certificates in the Secure Boot Policy. Secure Boot is disabled by default.
Secure Boot
Policy
When Secure Boot policy is set to
Standard
, the BIOS uses the system
manufacturer’s key and certificates to authenticate pre-boot images. When Secure
Boot policy is set to
Custom
, the BIOS uses the user-defined key and certificates.
Secure Boot policy is set to
Standard
by default.
Secure Boot
Policy Summary
Specifies the list of certificates and hashes that secure boot uses to authenticate
images.
Related Links
System Security
Viewing System Security
Creating a system and setup password
Prerequisites
Ensure that the password jumper is enabled. The password jumper enables or disables the system
password and setup password features. For more information, see the System board jumper settings
section.
NOTE: If the password jumper setting is disabled, the existing system password and setup password
are deleted and you need not provide the system password to boot the system.
Steps
1.
To enter System Setup, press F2 immediately after turning on or rebooting your system.
2.
On the
System Setup Main Menu
screen, click
System BIOS
→
System Security
.
3.
On the
System Security
screen, verify that
Password Status
is set to
Unlocked
.
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