The
System Security Settings screen details are explained as follows:
Option
Description
Intel AES-NI
Improves the speed of applications by performing encryption and decryption by using the Advanced Encryption Standard Instruction Set (AES-NI). This option is set to
Enabled by default.
System Password
Sets the
system password. This option is set to
Enabled by default and is read-only if the password jumper is not installed in the
system.
Setup Password
Sets the setup password. This option is read-only if the password jumper is not installed in the
system.
Password Status
Locks the
system password. This option is set to
Unlocked by default.
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 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.