Reference Guide

--optimus
Valid Argument enable, disable
Description Enables or disables the Optimus feature. If enabled, the feature automatically turns off the power
of the Graphics Processing Unit (GPU) when not required and turns it on when required.
--optionalbootsequence
Valid Argument enable, disable
Description Allows or prevents the installation of Windows operating system on client systems with more than
one operating system. By default, the setting is disabled to maintain compatibility with existing
installation tools, but should be changed if more than one operating system is present.
--optionalhddfan
Valid Argument install, notinstall
Description Installs or uninstalls the optional HDD fan installation.
--oromkeyboardaccess
Valid Argument
enable, disable, onetimeenable
Description Sets an option to enter the Option ROM Configuration screens using hotkeys during boot. If set
to Disable, it prevents accessing Intel RAID and Intel Management Engine BIOS Extension.
--oromuiprotection
Valid Argument
enable, disable
Description Enables or disables the Administrator password prompt required to access the OptionROM user
interface in the BIOS setup screen.
--osmode
Valid Argument
enable, disable
Description
Turns operating system installation mode on or off.
oswatchdogtimer
Valid Argument
enable, disable
Description
The watchdog-timer aids in the recovery of the operating system if the system stops responding.
--ovrwrt
Valid Argument
Read-only
Description This option is only used with the -o option to cause the output file to be overwritten if a file of the
same name already exists.
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