Dell XPS 15 9575 2-in-1 XPS 15 2-in-1 Service Manual - Page 59

Table 7. System setup options-Secure Boot menu

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Security Password Change Non-Admin Setup Changes UEFI Capsule Firmware Updates PTT Security Computrace(R) CPU XD Support Admin Setup Lockout Master Password Lockout Enable or disable changes to the System and Hard Disk passwords when an administrator password is set. Determines whether changes to the setup option are permitted when an administrator password is set. Enable or disable BIOS updates through UEFI capsule update packages. Enable or disable Platform Trust Technology (PTT) visibility to the operating system. Enable or disable the BIOS module interface of the optional Computrace(R) Service from Absolute Software. Enable or disable the Execute Disable mode of the Processor. Enable to prevent users from entering Setup when an Admin Password is set. Disables the master password support. Hard Disk passwords need to be cleared before changing the setting. Table 7. System setup options-Secure Boot menu Secure Boot Secure Boot Enable Enable or disable the secure boot feature. Expert Key Management Expert Key Management Enable or disable Expert Key Management. Custom Mode Key Management Select the custom values for expert key management. Table 8. System setup options-Intel Software Guard Extensions menu Intel Software Guard Extensions Intel SGX Enable Enable or disable Intel Software Guard Extensions. Enclave Memory Size Set the Intel Software Guard Extensions Enclave Reserve Memory Size. Performance Multi Core Support Enable multiple cores. Default: Enabled. Intel SpeedStep Enable or disable Intel Speedstep Technology. Default: Enabled. NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load. C-States Control Enable or disable additional processor sleep states. Default: Enabled. Intel TurboBoost Enable or disable Intel TurboBoost mode of the processor. Default: Enabled. HyperThread control Enable or disable HyperThreading in the processor. Default: Enabled. Power Management AC Behavior Enable Intel Speed Shift Technology Auto On Time Enables the system to turn on automatically, when AC power is supplied. Enable or disable Intel Speed Shift Technology. Enable to set the computer to turn on automatically every day or on a preselected date and time. This option can be configured only if the Auto On Time is set to Everyday, Weekdays or Selected Days. System setup 59

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Security
Password Change
Enable or disable changes to the System and Hard Disk passwords when an
administrator password is set.
Non-Admin Setup Changes
Determines whether changes to the setup option are permitted when an
administrator password is set.
UEFI Capsule Firmware Updates
Enable or disable BIOS updates through UEFI capsule update packages.
PTT Security
Enable or disable Platform Trust Technology (PTT) visibility to the operating system.
Computrace(R)
Enable or disable the BIOS module interface of the optional Computrace(R) Service
from Absolute Software.
CPU XD Support
Enable or disable the Execute Disable mode of the Processor.
Admin Setup Lockout
Enable to prevent users from entering Setup when an Admin Password is set.
Master Password Lockout
Disables the master password support. Hard Disk passwords need to be cleared
before changing the setting.
Table 7. System setup options—Secure Boot menu
Secure Boot
Secure Boot Enable
Enable or disable the secure boot feature.
Expert Key Management
Expert Key Management
Enable or disable Expert Key Management.
Custom Mode Key Management
Select the custom values for expert key management.
Table 8. System setup options—Intel Software Guard Extensions menu
Intel Software Guard Extensions
Intel SGX Enable
Enable or disable Intel Software Guard Extensions.
Enclave Memory Size
Set the Intel Software Guard Extensions Enclave Reserve Memory Size.
Performance
Multi Core Suppor
t
Enable multiple cores.
Default: Enabled.
Intel SpeedStep
Enable or disable Intel Speedstep Technology.
Default: Enabled.
NOTE:
If enabled, the processor clock speed and core voltage are
adjusted dynamically based on the processor load.
C-States Control
Enable or disable additional processor sleep states.
Default: Enabled.
Intel TurboBoost
Enable or disable Intel TurboBoost mode of the processor.
Default: Enabled.
HyperThread control
Enable or disable HyperThreading in the processor.
Default: Enabled.
Power Management
AC Behavior
Enables the system to turn on automatically, when AC power is supplied.
Enable Intel Speed Shift Technology
Enable or disable Intel Speed Shift Technology.
Auto On Time
Enable to set the computer to turn on automatically every day or on a preselected
date and time. This option can be configured only if the Auto On Time is set to
Everyday, Weekdays or Selected Days.
System setup
59