The /HOST/bootmode state property controls how OpenBoot NVRAM variables are used. Normally the current settings of these variables are retained. Setting /HOST/bootmode state=reset_nvram changes the OpenBoot NVRAM variables to their default settings at the next reset.
-> set /HOST/bootmode state=value
where value is one of the following:
At next reset, retains current NVRAM variable settings.
At next reset, returns OpenBoot variables to default settings.