I believe that
Suns can be set to ignore the graphics console [...]
At the "ok"
prompt, to use ttya as the console, type this:
setenv input-device ttya
setenv output-device ttya
To change back to the keyboard & framebuffer, type this:
setenv input-device keyboard
setenv output-device screen
Yes...but there's an easier way.
Leave input-device set to keyboard and output-device set to screen, and
simply unplug the keyboard. When it can't find the keyboard, it
switches over to ttya for input and output on its own.
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