How to Install a Graphics Adapter on Sun Sparc Systems

Shutdown the system.
Install the the graphics adapter.
Start the system.
At the EEPROM (OpenBoot) type stop+A.
At the OK prompt type show-displays.
Choose a display - Normally each display will have a letter corresponding to it. (I chose b).
Type setenv output-device ctrl+y - This will set the system to use the new graphics adapter. Control + Y will paste in the graphics adapter's name.
Type reset to restart.
Connect monitor and wait for the system to start up.