Dell E04B Manuale di riferimento - Pagina 21

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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.

System Security Settings details

About this task

The System Security Settings screen details are explained as follows:

Option

Description

CPU 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 Information

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, and TPM Activation, and the Intel TXT fields if

the TPM Status field is set to either On with Pre-boot Measurements or On without Pre-boot

Measurements.

When TPM 1.2 is installed, the TPM Security option is set to Off, On with Pre-boot Measurements,

or On without Pre-boot Measurements.

When TPM 2.0 is installed, the TPM Security option is set to On or Off. This option is set to Off by

default.

NOTE:

The TPM menu is available only when the TPM module is installed.

Table 2. TPM 1.2 security information

TPM information

Description

TPM Information

Changes the operational state of the TPM. This option is set to Type: 1.2-NTC

by default.

TPM Firmware

Indicates the firmware version of the TPM.

TPM Status

Specifies the TPM status.

TPM Command

Controls the Trusted Platform Module (TPM). When set to None, no command

is sent to the TPM. When set to Activate, the TPM is enabled and activated.

When set to Deactivate, the TPM is disabled and deactivated. When set to

Clear, all the contents of the TPM are cleared. This option is set to None by

default.

Table 3. TPM 2.0 security information

TPM information

Description

TPM Information

Changes the operational state of the TPM. This option is set to Type: 2.0-NTC

by default.

TPM Firmware

Indicates the firmware version of the TPM.

Pre-operating system management applications