Dell PowerEdge E31S Series Owner's Manual page 45

2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Security.
Related references
System Security on page 44
Related tasks
System Security Settings details
System Security Settings details
About this task
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 Sets the system password. This option is set to Enabled by default and is read-only if the password
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
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
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 Sets how the system behaves after AC power is restored to the system. This option is set to Last by
Recovery default.
AC Power Sets the time delay for the system to power up after AC power is restored to the system. This option is
Recovery Delay set to Immediate by default.
User Defined Sets the User Defined Delay option when the User Defined option for AC Power Recovery Delay is
Delay (60s to selected.
240s)
on page 45
NOTE: The TPM menu is available only when the TPM module is installed.
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.
Pre-operating system management applications 45