Reference Guide

Table 25. TPMSecurity (continued)
Attribute Name Description
Enabled System accepts ACPI physical presence commands from the OS.
Disabled System does not accept ACPI physical presence commands from the OS.
Tpmppiclearoverride
When enabled tpmppiclearoverride performing the TPM clear command within operating
system does not require user interaction. When disabled, performing the TPM clear
command within the operating system does require user interaction.
Enabled
Disabled
NOTE: You can enable Tpmppiclearoverride in manufacturing mode or while
setting up the BIOS Setup Administrator password.
TpmPpiDpo
Controls the physical presence requirement for the following operations: Disable,
Deactivate, and SetOwnerInstall_False.
Possible values:
Enabled
Disabled
TpmPpiPo
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.
TpmSecurity
Controls whether the Trusted Platform Module (TPM) in the system is enabled and visible
to the operating system.
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.
USBConfiguration
Table 26. USBConfiguration
Attribute Name Description
AlwaysAllowDellDocks
Allows or restricts the Dell Type-C Thunderbolt docks to function when the Thunderbolt
is disabled.
Possible values:
Enabled Allows the Dell Type-C Thunderbolt docks to function even when the
Thunderbolt is disabled.
Disabled Restricts the Dell Type-C Thunderbolt docks to function when the
Thunderbolt is disabled.
BIOSEnumMode
Thunderbolt PCIe Enumeration Mode controls when the operating system or BIOS
performs the enumeration of Thunderbolt PCIe devices.
Possible values:
52 Attributes supported in Dell Command | PowerShell Provider 2.2