[Coco] Re: Color Computer 3 prototype

Jim Cox jimcox at miba51.com
Sat Jan 22 15:37:12 EST 2005


Mark and Allen:

I agree 100% with Richard.  This is CoCo history and it 
should be shared with us all.  Like Richard, I am learning 
lots from your postings.  Thanks!

Jim

On Sat, 22 Jan 2005 13:11:17 +0600
  "Richard E. Crislip" <rcrislip at neo.rr.com> wrote:
> Hello Mark
> 
> Actually, I'd be VERY disappointed if you guys went off 
>line with this. What
> could be more CoCo related than a discussion concerning 
>the prototypes. I
> mean come on. If the technical part goes over my head, I 
>might actaully
> learn something 8-). If it gets too deep I'll just skip 
>over it and go on,
> but please leave it here. TIA
> 
> On 01/21/2005, Mark Marlette wrote:
>> At 02:10 AM 1/21/2005, you wrote:
>>
>> Al,
>>
>> Pray it is a CoCo3 discrete!
>>
>> Check with Mark H. and see if he recalls any 
>>documentation. Boisy do
>> you  recall?? Boisy mentioned to me that this board has 
>>VERY touchy
>> operation.  Sounds like Curtis's TC-9 from FHL that I 
>>upgraded for him.
>> Major  electrical improvements placed in that machine 
>>for smooth
>> operation.
>>
>> The board has numerous MMC IC which indicate to me as 
>>PALs. If the
>> security  fuses are not blown the PALS should be able to 
>>me
>> disassembled(JEDEC) to  source. Hard to tell with all 
>>the stickers on
>> the board. I also noted to  Allen of theWD17xx chip.
>>
>> Not so sure about another list. I replied to you several 
>>times
>> privately of  views of the board. I would rather see 
>>this type of
>> traffic here rather  than Ebay threads.....anyone 
>>object? Seems CoCo
>> related?
>>
>> Mark
>>
>>
>>>On Jan 21, 2005, at 12:14 AM, Nickolas Marentes wrote:
>>>
>>>>The board looks bid but I would have thought that to 
>>>>construct the
>>>>GIME chip out of discrete components would take up 
>>>>another board
>>>>similar in size. Maybe they used a lot of programmable 
>>>>PAL's?
>>>
>>>...for those of you just joining us...  I really need to 
>>>set up a list 
>>>just for a few of us to disect this thing -- alot of 
>>>great info has
>>>come to me via you, Mark M, and a few others -- and it 
>>>would be nice to
>>>get everyone talking about it.
>>>
>>>So far, it seems to use a bunch of PALs and contain a 
>>>1773.  WHO 
>>>KNOWS!  I'll take it home with me next week, most likely, 
>>>or maybe
>>>tomorrow. What can I do?
>>>
>>>                 -- Allen
>>>
>>>
>>>--
>>>Coco mailing list
>>>Coco at maltedmedia.com
>>>http://five.pairlist.net/mailman/listinfo/coco
>>
>>
>>
>>
> Regards
> -- 
> Criusing on AutoPilot                       |
>        With an Amiga           ---o-o-O-o-o---  and a 
>CoCo
> 
> 
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