[SunRescue] parts I'm parting with!

[Mike Nicewonger]

Most won't unless they are like the big bad 20E21 that does full multi-sync.
I have several models of SGI tubes here that will not work with Suns, most
are the sync-on-green types.

Mike N
----- Original Message -----
From: "Alan Rubin" <rubin at ezy.net>
To: <rescue at sunhelp.org>
Sent: Friday, September 15, 2000 10:30 AM
Subject: RE: [SunRescue] parts I'm parting with!


> i didn't really read this whole thread, but am i to understand that a
> stock SGI monitor with a 13w3 type connector on the back will not work
> with, say, an IPX?  i need to know before i might pick up a spare from
> work for home.
>
> alan
>
> On Fri, 15 Sep 2000, Mike Hebel wrote:
>
> > <SNIP>
> > >. 21" Sun monitor
> >
> > >>With a little soldering, I have successfully modified my 20D11 to work
> > with
> > >>Suns, and if you're willing to do the same, you can turn that SGI
monitor
> > >>into the Sun monitor you're looking for.
> > >>
> > >>Since the 20D11 expects sync-on-green, what you have to do is connect
the
> > >>separate sync pin used by Sun (and others) to the sync separator
circuit.
> > >>This is as simple as soldering in one resistor on the input board at
the
> > >>back of the monitor. The connector on the monitor conveniently has all
> > pins
> > >>soldered to the PCB even though most of them aren't used. I can open
mine
> > >>up again if you want and give you specific instructions on what I did.
And
> > >>yes, it works with both Suns and SGIs after the mod, though you have
to
> > use
> > >>Sun or SGI cables as appropriate. And no, it still won't work with a
PC, I
> > >>suspect because of the limited sync range, or maybe my HD15-to-13W3
> > adapter
> > >>is bad.
> > >>
> > >>I don't remember the sync range of the 20D11, but I have tested my
> > modified
> > >>one with a stock Indy and a stock SS2+cg6, and it works great.
> >
> > I don't suppose you could post a picture of the modification somewhere
as
> > well as the value of the resistor?  I would be more than thankful for
the
> > detailed instructions you offered.  (I have two 20D11 monitors attached
to
> > SGI boxes that I would like to also use with my SS2 and possibly other
> > SPARCs.)
> >
> > Also, unless it's the frequency converting kind the HD15-to-13W3 adapter
> > won't work in most modes on a PC.  I _know_ this monitor will not run at
DOS
> > resolutions.  Check out the links from http://sgihelp.org - they have a
link
> > here: http://www-viz.tamu.edu/~sgi-faq/faq/html-1/hardware.html#20 which
is
> > a hardware FAQ about SGI monitors.  Plenty of notes here and elsewhere
about
> > getting it to run on a PC.
> >
> > Hope this helps!
> >
> > Sincerely,
> >
> > Mike Hebel
> >
> > _______________________________________________
> > Rescue maillist  -  Rescue at sunhelp.org
> > http://www.sunhelp.org/mailman/listinfo/rescue
> >
> >
>
> _________________
> *Alan Rubin*
> Sun/Unix/Networking/ISP/Web Writing
> Email:rubin at ezy.net
>
>
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>