> Date: Tue, 18 Jun 1996 10:37:16 EDT
> From: Charles Lepple <clepple@thor.tjhsst.edu>

> Hi. Sorry to bother all of you, but I figured you all would probably
> be fairly knowledgeable about my questions. (I couldn't find the
> answers in the Sun HW FAQ, btw)

That's fine.  (At least you looked 8^)  You should also read the
installation notes, of course.  

> Our school recently acquired several Sun workstations, and I got
> most of them running with serial consoles. We have a shortage of
> terminals, though, and we wanted to get some of the machines to run
> X on mono and color monitors. As is usually the case, we have no
> documentation :) What I do know is that we have a CG3 board and some
> working color monitors (we tried them on a 3/60 with a color
> board). I have tried installing the CG3 on both a 3/160 and a 4/260
> with no luck, even after setting the jumpers per the HW FAQ. Is
> there some conflict between the on-board mono video (which doesn't
> seem to work during diagnostics, even when "e" is pressed to echo
> output to video) and the CG3 board?

The PROM should be able to use the CG3 if you set the EEPROM
console byte for "color" (At the monitor> q1f 12).  However,
the NetBSD/sun3 kernel does not yet include a CG3 driver.
We have a CG3 driver (in the sparc port) but nobody with both
a sun3 and a CG3 board has stepped forward to port the driver.
Are you up to it?

> Also, we would be content running an X server on the 3/60 but it
> doesn't seem to notice when there is no AUI cable connected (a
> nearby mono 3/50 notices, and prints error messages even when it
> isn't using the network). I've tried the obvious (setting the
> AUI/autoselect jumper, testing the cable on other machines, etc)
> and I'm wondering if anyone has had similar problems.

The 3/60 also has a jumper, if I remember correctly.
I think it was labeled "EXT/UA" and lives with the
memory jumpers.  (Try it the other way! 8^)

Gordon