[Coco] Disto SC add-ons

[Benoit Bleau]

Gene Heskett wrote:
> On Tuesday 30 December 2008, Benoit Bleau wrote:
>   
>> Roger Taylor wrote:
>>     
>>> Does anyone know how in the heck the addon with the video chip is
>>> supposed to output video or how it works?  The board also has a clock
>>> chip which seems to be running even though the board is old.. you can
>>> PEEK from BASIC and see the clock registers changing.  I do have the
>>> register specs on the clock.  The video chip is a CRT9128. There's an
>>> 11mhz crystal, HM6116LP-2 chip, 13x2 header, and 2x2 header.  I see no
>>> other ID marks on the board other than the word "Disto" and two color
>>> stickers on the back labeled "M" and "T".
>>>
>>> I see nothing in the Disto SC docs explaining the details of this
>>> board, just a mention that it's one of the add-ons.
>>>       
>> if I recall, I had one of these boards 15 years ago?  and it worked only
>> with OS9. It required a driver to be installed.
>> I returned it to CRC computers, because it had a horrible wobble in the
>> image.
>>     
>
> Humm, were you purchance operating the monitor sitting adjacent to the regular 
> color monitor?  The leakage of magnetic fields from the deflection yoke of 
> the color monitor will make a Maggy PC-80 13" wobble very noticeably.  I put 
> a sheet of steel between them which helped quite a bit.
>
>   
>> -Benoit
>>
>> --
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>>     
>
>
>
>   
Nope, I had a long cable going to a color TV, which was about 5 feet 
away. When I brought it back to CRC,
they couldn't get it to work any better, so they refunded me.

-Benoit