Use the /HOST keyswitch_state property to control the position of the virtual keyswitch.
-> set /HOST keyswitch_state=value
where value can be:
(Default) The server can power itself on and start the boot process.
Powers off the host and disables power on.
Host power-on is allowed. This value overrides the settings of /HOST/diag target, resulting in Max POST being executed.
Host power-on is allowed but you are prohibited from updating flash devices or setting /HOST send_break_action=break.