Dell D31M Owner's Manual page 130

Table 33. System setup options—Boot Configuration menu (continued)
Boot Configuration
Enable Microsoft UEFI CA
Expert Key Management
Enable Custom Mode
Custom Mode Key Management
Table 34. System setup options—Integrated Devices menu
Integrated Devices
Date/Time
Audio
Enable Audio
Serial Port
Serial Port Configuration
USB Configuration
Front USB Configuration
Rear USB Configuration
Dust Filter Maintenance
Table 35. System setup options—Storage menu
Storage
SATA Operation
Storage Interface
130 BIOS setup
When disabled, the UEFI CA is removed from the BIOS UEFI Secure Boot
database.
NOTE: When disabled, the Microsoft UEFI CA could render your computer
unable to boot, system graphics may not function, some devices may not
function properly, and the computer could become unrecoverable.
By default, the Enable Microsoft UEFI CA option is enabled.
For additional security, Dell Technologies recommends keeping the Microsoft
UEFI CA option enabled to ensure the broadest compatibility with devices and
operating systems.
Enables or disables the keys in the PK, KEK, db, and dbx security key databases
to be modified.
By default, the Enable Custom Mode option is disabled.
Selects the custom values for expert key management.
By default, the PK option is selected.
Displays the current date in MM/DD/YYYY format and current time in
HH:MM:SS AM/PM format.
Enable or disable the integrated audio controller.
By default, all the options are enabled.
Enable or disable the serial port address.
By default, the COM1: Port is configured at 3F8h with IRQ4 option is
enabled.
● Enable or disable booting from USB mass storage devices through the boot
sequence or boot menu.
By default, all the options are enabled.
Enable or disable the individual front USB ports.
By default, all the options are enabled.
Enable or disable the individual rear USB ports.
By default, all the options are enabled.
Enable or disable the dust filter maintenance.
By default, the Disabled option is enabled.
Enable or disable the operating mode of the integrated SATA hard drive
controller.
By default, the RAID On option is enabled.