Reference Guide

Attribute Name Description

Possible values:

• Enabled — BIOS turns on the TPM during POST, and can be used by

the operating system.

• Disabled — BIOS does not on the TPM during POST, and the TPM is

nonfunctional and invisible to the operating system.

NOTE: Disabling this option does not change any TPM settings that

you may have configured nor does it delete or change any

information or keys you may have stored there. It simply turns off the

TPM so that it cannot be used. When you re-enable this option, TPM

works exactly as it did before it was disabled.

TPMCommand

Activates and enables the TPM normal state for TPM use.

Possible values:

• Activate — Activates the TPM..

• Deactivate — Displays the current activation state of TPM.

NOTE: Deactivate is a read-only possible value. TPM can be

deactivated only from the BIOS setup screen.

TPMACPISupport

Controls whether the system accept ACPI physical presence commands

from the OS.

• Enabled — System accepts ACPI physical presence commands from

the OS.

• Disabled — System does not accept ACPI physical presence

commands from the OS.

TPMPPIProvisionOverride

Controls the physical presence requirement for the following operations:

Enable, Activate, and SetOwnerInstall_True.

Possible values:

• Enabled — Physical presence is not required to perform any of these

operations.

• Disabled — Physical presence is required to perform these operations.

TPMPPIDeprovisionOverrid

Controls the physical presence requirement for the following operations:

Disable, Deactivate, and SetOwnerInstall_False.

Possible values:

• Enabled

• Disabled

MiscellaneousDevices

Table 21. MiscellaneousDevices

Attribute Name Description

PCISlot

Enables or disables the various on-board PCI slots.