Dell OptiPlex 3090 Ultra, Service Manual

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Table 10. System setup options—Power menu (continued)
Power
AC Behaviour
AC Recovery Allows to determine what happens when AC power is restored after an
unexpected loss of AC power.
By default, the Power Off option is enabled.
Active State Power Management
Aspm Enable the Active State Power Management (ASPM) level.
By default, the Auto 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 Allows to conserve more power while in Shutdown (SS) or Hibernate (S4)
mode.
By default, the Enabled in S4 and SS option is enabled.
Fan Control Override Determines the speed of the fan.
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 11. System setup options—Security menu
Security
TPM 2.0 Security
TPM 2.0 Security On Enable or disable TPM 2.0 security options.
By default, the TPM 2.0 Security On option is enabled.
Attestation Enable Enables to control whether the Trusted Platform Module (TPM) Endorsement
Hierarchy is available to the operating system.
By default, the Attestation Enable option is enabled.
Key Storage Enable Enables to control whether the Trusted Platform Module (TPM) Storage
Hierarchy is available to the operating system.
By default, the Key Storage Enable option is enabled.
SHA-256 BIOS and the TPM will use the SHA-256 hash algorithm to extend
measurements into the TPM PCRs during BIOS boot.
By default, the SHA-256 option is enabled.
Clear Enables to clear the TPM owner information and returns the TPM to the
default state.
By default, the Clear option is disabled.
PPI ByPass for Clear Commands Controls the TPM Physical Presence Interface (PPI).
By default, the PPI ByPass for clear Commands option is disabled.
Intel Total Memory Encryption
Total Memory Encryption Enable or disable you to protect memory from physical attacks including freeze
spray, probing DDR to read the cycles, and others.
By default, the Total Memory Encryption option is disabled.
Chassis intrusion Controls the chassis intrusion feature.
128 System setup