Reference Guide

Table 353. --SdCardBoot (continued)
Attribute Details Description
● Enabled — Allows the system to boot from SD card.
● Disabled — Restricts the system to detect SD card and boot from the SD card.
--SdCardReadOnly
Table 354. --SdCardReadOnly
Attribute Details Description
Valid Argument Enabled, Disabled
Enables or disables the read-only mode for SD card.
--SecureBoot
Table 355. --SecureBoot
Attribute Details Description
Valid Argument Enabled
Enables secure boot authentication. If enabled, BIOS should only perform Secure Boot
authentication and boot in UEFI mode without loading Compatibility Support Module (CSM).
BIOS refers to this setting to decide on the POST behavior.
NOTE: You cannot disable secure boot using the Dell Command | Configure user interface.
One of the methods of disabling secureboot is from the BIOS setup screen.
Table 356. Secure Boot with UEFI mode and Legacy Option ROM
Secureboot
UEFI mode — enable
legacyOrom — enable
UEFI mode — enable
legacyOrom — disable
UEFI mode — disable
legacyOrom — enable
When secureboot is enabled NOT Allowed Allowed NOT Allowed
When secureboot is disabled NOT Allowed Allowed NOT Allowed
--SecureBootMode
Table 357. --SecureBootMode
Attribute Details Description
Valid Argument DeployedMode, AuditMode
Allows the modification of secure boot operational mode.
Deployed mode is the normal mode of operation for measuring the UEFI executable images.
Audit Mode enables the evaluation of changes to the Secure Boot key database.
NOTE: Attempting the transition to Audit Mode by writing '1' to the DA Token may fail if
the system is not in OSMM.
Options for Dell Command | Configure 4.2 101