Table 31. System setup options—Power menu(continued)
Power
Enable USB Wake Support When enabled, you can use the USB devices like a mouse or keyboard to wake
your computer from standby.
By default, the option is enabled.
AC Behavior
AC Recovery Enables the system to turn on automatically, when AC is inserted.
By default, the Power Off option is enabled.
Block Sleep Enables to block entering sleep (S3) mode in the operating system.
By default, the Block Sleep option is disabled.
Deep Sleep Control Enable or disable the Deep Sleep mode support.
By default, the Enabled in S4 and S5 option is enabled.
Fan Control Override Enable or disable the fan control override feature.
By default, the option is disabled.
Intel Speed Shift Technology Enable or disable the Intel speed shift technology support.
By default, the Intel Speed Shift Technology option is enabled.
Table 32. System setup options—Security menu
Security
Trusted Platform Module (TPM) Trusted Platform Module (TPM) is a security device that stores computer-
generated keys for encryption and features such as BitLocker, Virtual Secure
Mode, remote Attestation.
By default, the Trusted Platform Module (TPM) option is enabled.
For additional security, Dell Technologies recommends keeping Trusted Platform
Module (TPM) enabled to allow these security technologies to fully function.
TPM On Allows you to enable or disable TPM.
By default, the TPM On option is enabled.
For additional security, Dell Technologies recommends keeping TPM enabled to
allow these security technologies to fully function.
Physical Presence Interface (PPI) Bypass
for Enable Commands
The Physical Presence Interface (PPI) Bypass options can be used to allow
the operating system to manage certain aspects of the TPM. If these options
are enabled, you are not prompted to confirm certain changes to the TPM
configuration.
By default, the PPI Bypass for Enable Commands option is enabled.
For additional security, Dell Technologies recommends keeping the PPI Bypass
for Enable Commands option enabled.
Physical Presence Interface (PPI) Bypass
for Disable Commands
By default, the PPI Bypass for Disable Commands option is disabled.
For additional security, Dell Technologies recommends keeping the PPI Bypass
for Disable Commands option disabled.
Physical Presence Interface (PPI) Bypass
for Clear Commands
By default, the PPI Bypass for Clear Commands option is disabled.
For additional security, Dell Technologies recommends keeping the PPI Bypass
for Clear Commands option disabled.
Attestation Enable The Attestation Enable option controls the endorsement hierarchy of TPM.
Disabling the Attestation Enable option prevents TPM from being used to
digitally-sign certificates.
116 BIOS Setup
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