Dell E75S001 Referenzhandbuch - Seite 19

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Table 20. TPM 1.2 security information (continued)

Option

Description

TPM Advance

TPM PPI

Settings

Bypass

Provision

TPM PPI

Bypass Clear

Table 21. TPM 2.0 security information

Option

Description

TPM Information

TPM Security

Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by

default.

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

default.

TPM Information

Displays the operational state of the TPM.

TPM Firmware

Indicates the firmware version of the TPM.

TPM Hierarcy

Enables, disables, or clears the storage and endorsement hierarchies. When set to Enabled, the storage

and endorsement hierarchies can be used.

When set to Disabled, the storage and endorsement hierarchies cannot be used.

When set to Clear, the storage and endorsement hierarchies are cleared of any values, and then reset to

Enabled.

TPM Advanced

TPM PPI

Settings

Bypass

Provision

TPM PPI

Bypass

Clear

TPM2

Algorith

Selection

Table 22. System Security details

Option

Intel(R) TXT

Memory Encryption

When set to Enabled, allows the Operating System to bypass Physical Presence

Interface (PPI) prompts when issuing PPI Advanced Configuration and Power interface

(ACPI) provisioning operations.

When set to Enabled allows the Operating System to bypass Physical Presence

Interface (PPI) prompts when issuing PPI Advanced Configuration and Power Interface

(ACPI) clear operations.

NOTE:

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

When set to Enabled, allows the Operating System to bypass Physical Presence Interface

(PPI) prompts when issuing PPI Advanced Configuration and Power interface (ACPI)

provisioning operations.

When set to Enabled allows the Operating System to bypass Physical Presence Interface

(PPI) prompts when issuing PPI Advanced Configuration and Power Interface (ACPI) clear

operations.

Allows the user to change the cryptographic algorithms used in the Trusted Platform Module

(TPM). The available options are dependent on the TPM firmware.

To enable TPM2 Algorithm Selection, Intel(R) TXT technology must be disabled.

The TPM2 Algorithm Selection option supports SHA1, SHA128, SHA256, SHA512 and SM3

by detecting the TPM module. This option is set to SHA1 by default.

Description

Enables you to set 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 for TPM 1.2 or set to On with SHA256 algorithm for TPM

2.0. This option is set to Off by default. It is set On for Secure Launch (Firmware

Protection) support on Windows 2022.

Enables or disables the Intel Total Memory Encryption (TME) and Multi-Tenant (Intel

TME-MT). When option is set to Disabled, BIOS disables both TME and MK-TME

technology. When option is set to Single Key BIOS enables the TME technology. When

option is set to Multiple Keys, BIOS enables the TME-MT technology, the CPU Physical

Address Limit option must be disabled for selecting Multiple Keys option. This option is

set to Disabled by default.

Pre-operating system management applications