Chapter 10 NVRAM 10-3
If you are obtaining the ok prompt to run OpenBoot PROM diagnostics, see
“OpenBoot PROM” on page 12-1.
If you are obtaining the ok prompt to view or change NVRAM configurations, see
“Changing NVRAM Configuration Parameter Values” on page 10-3.
10.2 Changing NVRAM Configuration
Parameter Values
The NVRAM configuration parameter values set the startup behavior of the Sun
Ultra 45 or Ultra 25 workstation. Changes made to the variables typically survive
power cycling and if not configured properly, might have an adverse affect. Use
discretion when changing or resetting NVRAM configuration parameter values.
10.2.1 Displaying and Changing Parameter Values
Use the commands listed in TABLE 10-2 to view and modify NVRAM configuration
parameter values.
TABLE 10-2 NVRAM Parameter Configuration Commands
Command Description
printenv parameter Displays the current value for the parameter.
If no parameter is provided, all parameters, their current value, and their
default value are displayed.
setenv parameter value Sets parameter to value. Values are typically textual or numeric. Changes
made with the setenv command are permanent, but require a reset or
power cycle to take affect.
set-default parameter Resets the parameter to the default value.
set-defaults Resets all parameters to their default values.
reset-all Initiates a warm boot where most NVRAM configuration parameters are
read by OpenBoot PROM. With power cycling or a cold boot, all NVRAM
configuration parameters are read by the OpenBoot PROM.
password Sets the security-password.
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