Option
Description
TPM Security
NOTE:
The TPM menu is available only when the TPM module is installed.
Enables you to control the reporting mode of the TPM. The
TPM Security
option is set to
Off
by default. You can
only modify the TPM Status, TPM Activation, and Intel 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.
NMI Button
Enables or disables the NMI button on the front of the system. This option is set to
Disabled
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.
AC Power Recovery
Delay
Sets the time delay for the system to power up after AC power is restored to the system. This option is set to
Immediate
by default.
User Defined Delay
(60s to 240s)
Sets the
User Defined Delay
option when the
User Defined
option for
AC Power Recovery Delay
is selected.
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 link
System Security
Viewing System Security
Creating a system and setup password
Prerequisite
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
.
4
In the
System Password
field, type your system password, and press Enter or Tab.
Pre-operating system management applications
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