[rescue] GDM 20e20 help

[Larry Snyder]

Joshua --
For a couple bucks, you're a perfect guinea pig:
www.sgiaddict.net/tech/monitor.html
-ls-

Joshua D Boyd <jdboyd at cs.millersville.edu> wrote:
> On Sat, Sep 21, 2002 at 07:12:50PM +0200, jkunz at unixag-kl.fh-kl.de wrote:
> > On 20 Sep, Joshua D Boyd wrote:
> > 
> > > I got one of these monitors.  It works fine on my SS Classic.  I hook it
> > > up via the adapter in this
> > > (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2054346823) ebay
> > > auction to my Riva TNT2 card, and it doesn't do anything.  Can anyone
> > > say anything usefull?  The pinout on the ebay page looks correct to me.
> > The pinout is nonsense:
> > http://www.hardwarebook.net/connector/av/vga15.html
> > http://www.hardwarebook.net/connector/av/sunvideo.html
> > RGB is OK, but the sense pins of the Sun connector are connected to
> > H-Sync and V-Sync of the VGA connector. So the monitor doesn't get the
> > sync signals. This adapter may work with a sync-on-green VGA card. 
> > Also: I have a 20e?? (don't know if it is a 10, 11 or 20) monitor and it
> > does only sync-on-green and C-Sync. i.e. you need an adapter with a bit
> > electronic in it to get the monitor going on a VGA card. (I used it on
> > different Alphas and RS/6000 with a home made H/V-Sync => C-Sync
> > adapter and on an old sync-on-green TC Alpha.)
> 
> So basically, I need to either buy a new adapter or break open this
> sealed one to rewire it?
> 
> I guess I might have to since the seller isn't being helpfull.
> 
> -- 
> Joshua D. Boyd
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