Dell OptiPlex 5080 Small Form Factor Small Form Factor Setup and specification - Page 29

Secure boot options

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Table 23. Security (continued) Option Description Absolute This field lets you Enable, Disable or permanently Disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software. • Enabled - This option is selected by default. • Disable • Permanently Disabled Chassis Intrusion This field controls the chassis intrusion feature. Choose any one of the options: • Disabled (default) • Enabled • On-Silent OROM Keyboard Access This option determines whether users can enter Option ROM Configuration screens using hotkeys during boot. • Enabled - This option is selected by default. • Disable • One Time Enable Admin Setup Lockout Master Password Lockout HDD Protection Support SMM Security Mitigation Allows you to prevent users from entering Setup when Admin password is set. This option is not set by default. Allows you to disable master password support. Hard Disk passwords need to be cleared before the settings can be changed. This option is not set by default. This field allows users to enable and disable the HDD Protection feature. This option is not set by default. Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This option is not set by default. Secure boot options Table 24. Secure Boot Option Secure Boot Enable Secure Boot Mode Expert key Management Description Allows you to enable or disable Secure Boot feature • Secure Boot Enable This option is not selected by default. Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures. • Deployed Mode (default) • Audit Mode Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom Mode option is disabled by default. The options are: • PK (default) • KEK • db • dbx If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are: • Save to File- Saves the key to a user-selected file System setup 29

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Table 23. Security (continued)
Option
Description
Absolute
This field lets you Enable, Disable or permanently Disable the BIOS module interface of the optional
Absolute Persistence Module service from Absolute Software.
•
Enabled - This option is selected by default.
•
Disable
•
Permanently Disabled
Chassis Intrusion
This field controls the chassis intrusion feature.
Choose any one of the options:
•
Disabled (default)
•
Enabled
•
On-Silent
OROM Keyboard Access
This option determines whether users can enter Option ROM Configuration screens using hotkeys
during boot.
•
Enabled - This option is selected by default.
•
Disable
•
One Time Enable
Admin Setup Lockout
Allows you to prevent users from entering Setup when Admin password is set. This option is not set
by default.
Master Password Lockout
Allows you to disable master password support. Hard Disk passwords need to be cleared before the
settings can be changed. This option is not set by default.
HDD Protection Support
This field allows users to enable and disable the HDD Protection feature. This option is not set by
default.
SMM Security Mitigation
Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This option is
not set by default.
Secure boot options
Table 24. Secure Boot
Option
Description
Secure Boot Enable
Allows you to enable or disable Secure Boot feature
•
Secure Boot Enable
This option is not selected by default.
Secure Boot Mode
Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of UEFI
driver signatures.
•
Deployed Mode (default)
•
Audit Mode
Expert key Management
Allows you to manipulate the security key databases only if the system is in Custom Mode. The
Enable Custom Mode
option is disabled by default. The options are:
•
PK (default)
•
KEK
•
db
•
dbx
If you enable the
Custom Mode
, the relevant options for
PK, KEK, db, and dbx
appear. The
options are:
•
Save to File
- Saves the key to a user-selected file
System setup
29