Dell OptiPlex 390 Small Form Factor Owner's Manual page 61

This option determines whether users are able to enter Option
ROM Configuration screens via hotkeys during boot.
Specifically, these settings are capable of preventing access to
Intel RAID (CTRL+I) or Intel Management Engine BIOS Extension
Enable — User may enter OROM configuration screens via
One-Time Enable — User may enter OROM configuration
screens via the hotkeys on next boot only. After next boot,
Disable — User may not enter OROM configuration screens
Allows you to enable or disable the option to enter Setup when
an Administrative password is set. This option is not set by
This field specifies whether the process will have one or all
. cores enabled. This option is enabled by default
Allows you to enable or disable the Intel SpeedStep mode of the
Allows you to enable or disable additional processor sleep
Allows you to enable or disable the Hyper-Threading
Determines how the system responds when AC power is re-
: applied after a power loss. You can set the AC Recovery to
61
. the setting will revert to disabled
. This option is set to Enable by default
. processor. This option is disabled by default
. states. This option is disabled by default
. Technology. This option is enabled by default
. This option is Power Off by default
( (CTRL+P/F12
•
. the hotkey
•
•
. via the hotkey
. default
Power Off •
Power On •
Last State •
Security
OROM Keyboard
Access
Admin Setup Lockout
Performance
Multi Core Support
Intel SpeedStep
C States Control
Hyper-Thread
Control
Power Management
AC Recovery