You must have the console role (c) and the admin role (a) to complete this task.
See Start a Host.
From Oracle Solaris, type:
# eeprom variable
Where variable is a valid OpenBoot variable.
Get to the OpenBoot prompt (see Accessing the OpenBoot Prompt), then type:
{0} ok printenv variable
Where variable is a valid OpenBoot variable.
For an example of printenv output, see printenv Output.
From Oracle Solaris, type:
# eeprom
Get to the OpenBoot prompt (see Accessing the OpenBoot Prompt), then type:
{0} ok printenv
For descriptions of which OpenBoot variables control the way the system boots, see OpenBoot Configuration Variables.