Re: Using VGA/LCD monitor with a IIgs?

["Michael J. Mahon" <mjmahon@aol.com>]

sporadic wrote:
> On Dec 3, 8:34 am, MdntTrain <j...@cimmeri.com> wrote:
>
> > On Dec 2, 11:55 pm, sporadic <sporadica...@gmail.com> wrote:
> >
> >
> >
> >
> > > On Dec 2, 7:26 pm, MdntTrain <j...@cimmeri.com> wrote:
> >
> > > > On Dec 2, 12:03 pm, sporadic <sporadica...@gmail.com> wrote:
> >
> > > > > On Dec 2, 5:10 am, Steven Hirsch <snhir...@gmail.com> wrote:
> >
> > > > > > sporadic wrote:
> > > > > >
> > > > > > > > Can you publish some screen shots?  In particular, I'd like to see what the
> > > > > > > > 80-column text mode looks like.  I'm not a gamer, but do care about being able
> > > > > > > > to use programming tools.
> > > > > > >
> > > > > > > Here are a few pics I just took:
> >
> > > > > > > http://picasaweb.google.com/sporadically/GSOnAcer24LCDWithAmbery#
> >
> > > > > > I don't think any of those are 80-column text mode, are they?  And, as Mike
> > > > > > added, it would be nice to see the GSOS desktop.
> >
> > > > > Pics 1 & 2 are 40 columns, 3 & 4 are 80 columns.  I'm waiting for the
> > > > > MicroDrive to show up so until then, I probably won't have easy access
> > > > > to the GSOS desktop.  I'll look for the system 6 setup disk, it's
> > > > > gotta be here somewhere.
> >
> > > > > Jimmy
> >
> > > >   A friend tested this unit.  It crapped out on 16mhz video
> > > > (640x200).  Maybe you'll have better luck.
> >
> > > >      jS
> >
> > > So is the GS Finder desktop 640x200?  I nearly broke out in a cold
> > > sweat when I read this and I had to find the GSOS disk.  Well, I'm
> > > still happy to report that it's working for me.  I've updated the
> > > picasa album with 3 more pictures from the Finder desktop.  I also
> > > found a disk labeled Slide.3200.Vol#3, and ShowAll 3200 SmallPic,
> > > which I vaguely recall as the palette switching 3200 color pics.  They
> > > also displayed via the Ambery on the Acer 24" LCD.
> >
> > > I'll be happy to take more pictures this weekend, with better lighting
> > > and steadier hands:
> >
> > > http://picasaweb.google.com/sporadically/GSOnAcer24LCDWithAmbery#
> >
> > > Jimmy- Hide quoted text -
> >
> > > - Show quoted text -
> >
> > Spor, see all those alternating lines that Michael points out?
> > That's what I meant by "crapping out" on the 16mhz (640x200) video.
> > You do get video, and decent b&w video at that, but I personally find
> > the striping unacceptable.
> >
> >   jS
>
>
> Ah ok, it's been so long since I seen the Finder, I don't really
> recall how it should look.  I had interpreted "crapped out" as no sync/
> no display.  Well, I think given my intended usage, the Ambery box
> still meets my needs so I'm going to keep it until the GS2VGA solution
> becomes available.  Bummer!  I'll send an email to Ambery and see if
> this is something they can address in the design.  What resolutions
> does Amiga support?  Ambery states Amiga is supported, so is the
> 640x200 16MHz signal found on Amigas as well?

The real issue is only tangentially related to resolution--it is the
need for the input sampling clock to lock to some multiple of the
16MHz IIgs dot clock.

-michael

NadaNet and AppleCrate II: parallel computing for Apple II computers!
Home page: http://home.comcast.net/~mjmahon

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