[Coco] Selling my 512k Coco-3 and related items

[Kandur]

Here is the updated blog, 
http://p.uio.pw/wp/?p=317
showing the hookup, and how had I arrived to this solution.
Here is a lousy video, shot with a hand held phone,
made on Dec. 4, just before I sold the unit.
https://www.youtube.com/watch?v=LrwqF1bHv10

Kandur

Friday, December 7, 2018, 3:45:46 PM, you wrote:
> On 12/7/18 4:54 PM, Stephen Fischer wrote:
>> Tie Sync together??????
>
> That's what I thought, too.  But the picture states that he has HS and 
> VS tied
>
> together run through a resistor connected to the Sync line of an RGBS 
> connection.
>
> He has pictures that seem to show it working, but I don't  know how.
>
>> The only way is to use an NOR chip, 74??00 if I remember the number 
>> correctly. Then if needed to invert the polarity another NOR gate is 
>> available on the IC.
>
> He has an example of such a combiner but claims he didn't need the
>
> complexity and just used the cable.
>
> I admit to being baffled.
>
> bill
>
On 12/7/18 4:54 PM, Stephen Fischer wrote:
>> Tie Sync together??????
>> available on the IC.