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Re: Atari SC1435 Monitor on the Apple IIgs?
On Tuesday, April 2, 2013 1:18:21 AM UTC-7, Michael J. Mahon wrote:
> nyder <nyder.23@gmail.com> wrote:
>
> > On Monday, April 1, 2013 7:49:37 AM UTC-7, STYNX wrote:
>
> >> 1: GND
>
> >>
>
> >> 2: GND
>
> >>
>
> >> 3: RED
>
> >>
>
> >> 4: GREEN
>
> >>
>
> >> 5: BLUE
>
> >>
>
> >> 6: INTENSITY
>
> >>
>
> >> 7: C-SYNC
>
> >>
>
> >> 8: H-SYNC.
>
> >>
>
> >> 9: V-SYNC.
>
> >>
>
> >> From the SC1435 Handbook ;-)
>
> >>
>
> >> It has CSYNC and it works with just a wire-cable on a IIgs!
>
> >
>
> > you have the handbook? really hard to find, any chance you can scan it for me?
>
> >
>
> > The only 2 pieces of info I have is what you posted and that gamesx.com
>
> > post (which some people might not like, but that site hasn't served me wrong before).
>
> >
>
> > I'd just like some proof of it, because I'm not sure the LM1881 actually
>
> > splits the signals, I think it might add a seperate V-sync. The data
>
> > sheet shows an C-sync out and a V-sync out. If my monitor finds the
>
> > C-sync on the H-sync line, then it will use that and not even use the
>
> > V-sync, so i won't have a way to test that.
>
> >
>
> > Guess at worst I can make 2 adaptors. One with a the LM1881 and 1 using your pinouts.
>
> >
>
> > I just want to get a cable made without breaking his monitor, ya know? =)
>
> >
>
> > Thanks for the info
>
>
>
> Don't worry about the monitor--monitors protect themselves against sync
>
> abnormalities.
>
>
>
> And composite sync is directly usable as horizontal sync.
>
>
>
> Vertical sync is just a squared-up version of low-passed composite sync.
>
> Many monitors will process the vertical sync input to make composite sync
>
> directly usable.
>
>
>
> -michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon
cool, it was really about being able to test the cable and if i needed to split the sync, and seeing as I don't, woot! Get this done for him this weekend.