[Coco] Disto SC add-ons
gene.heskett at verizon.net
Tue Dec 30 17:44:46 EST 2008
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
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.
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