[Coco] connect to a modern display

[L. Curtis Boyle]

Yes there were several RAM upgrades for the Coco 1/2. Micro RGB made some as well (up to 1 MB RAM, if I recall correctly). I think it was Color Computer Magazine that actually had an article on upgrading to 128KB with a bubble memory upgrade.

L. Curtis Boyle
curtisboyle at sasktel.net

TRS-80 Color Computer Games website
http://www.lcurtisboyle.com/nitros9/coco_game_list.html



> On Aug 14, 2017, at 3:12 PM, Arthur Flexser <flexser at fiu.edu> wrote:
> 
> There was a 256K expansion unit for the CoCo 1 or CoCo 2 called the J&R
> Banker that was advertised for a time.
> 
> Art
> 
> On Mon, Aug 14, 2017 at 5:04 PM, Steve Strowbridge <ogsteviestrow at gmail.com>
> wrote:
> 
>> I was not aware the CoCo 2 could go up to 512K of RAM, is that a
>> misconception on your end, or a lack of knowledge on mine?
>> I knew the CoCo 1 and 2 could go up to 64K but I have no recollection or
>> experiences with 3rd party memory expansion options for CoCo 1 and 2.  And
>> I'm not a historian on any of that stuff either :)
>> 
>> I am aware of standard 512K options for the CoCo 3 and some 3rd party
>> upgrades to go form 2MB up to even 8MB.
>> 
>> I'm actually interested in a possible clean composite output option for a
>> CoCo 1/2.
>> 
>> 
>> 
>> Steve Strowbridge, aka
>> The Original Gamer Stevie Strow
>> Website/Merchandise/CoCo links page:
>> http://ogsteviestrow.com
>> Email:  ogsteviestrow at gmail.com
>> Get your "Game Play Goodnes" fix of CoCo and retro videos at:
>> http://youtube.com/ogsteviestrow
>> CoCoTALK! the nation's leading live talk show featuring the Tandy Color
>> Computer
>> http://cocotalk.live
>> 
>> 
>> 
>> On Mon, Aug 14, 2017 at 4:16 PM, Fred Hicks <fred.hicks at gmail.com> wrote:
>> 
>>> Bill,
>>>   I have to crack the case open.  But I think Ed's assessment is
>> correct.
>>>  The channel selector switch is gone and the video out is a 3.5
>> millimeter
>>> composite out.   Hopefully I might find one or two upgrades.  512 of RAM
>>> would be nice.  I'll take a picture later and post it when I get home.
>>> 
>>> Fred
>>> 
>>> On Mon, Aug 14, 2017 at 4:06 PM, Bill Gunshannon <
>>> bill.gunshannon at hotmail.com> wrote:
>>> 
>>>> 
>>>> ________________________________________
>>>> From: Coco [coco-bounces at maltedmedia.com] on behalf of
>> mike at borncoco.com
>>> [
>>>> mike at borncoco.com]
>>>> Sent: Monday, August 14, 2017 10:49 AM
>>>> To: CoCoList for Color Computer Enthusiasts
>>>> Cc: CoCoList for Color Computer Enthusiasts
>>>> Subject: Re: [Coco] Fwd: connect to a modern display
>>>> 
>>>> This looks like one of Ed Sinder's Radio Shack composite board clones.
>> It
>>>> outputs a composite signal. You'll need a Sony type cable which goes
>> from
>>>> the 3.5mm jack to three outputs. Here's an example from Amazon.
>>>> 
>>>> [ https://www.amazon.com/dp/B00CIC9KW2/ref=asc_df_
>>>> B00CIC9KW25121969/?tag=hyprod-20&creative=395033&
>>> creativeASIN=B00CIC9KW2&
>>>> linkCode=df0&hvadid=194017009123&hvpos=1o3&hvnetw=
>>>> g&hvrand=8862710000465049285&hvpone=&hvptwo=&hvqmt=&hvdev=
>>>> c&hvdvcmdl=&hvlocint=&hvlocphy=9010754&hvtargid=pla-312526707741 ](
>>>> https://www.amazon.com/dp/B00CIC9KW2/ref=asc_df_
>>>> B00CIC9KW25121969/?tag=hyprod-20&creative=395033&
>>> creativeASIN=B00CIC9KW2&
>>>> linkCode=df0&hvadid=194017009123&hvpos=1o3&hvnetw=
>>>> g&hvrand=8862710000465049285&hvpone=&hvptwo=&hvqmt=&hvdev=
>>>> c&hvdvcmdl=&hvlocint=&hvlocphy=9010754&hvtargid=pla-312526707741 )
>>>> 
>>>> To be really sure though, you need to open up the case and take a look
>> at
>>>> the board. Hope this helps.
>>>> 
>>>> ______________________________
>>>> 
>>>> You made me go look again.  I see now that it isn't an RCA but looks
>> like
>>>> an earphone jack.  Wierd.
>>>> 
>>>> bill
>>>> 
>>>> --
>>>> Coco mailing list
>>>> Coco at maltedmedia.com
>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>>> 
>>> 
>>> 
>>> 
>>> --
>>> Tempus fugit...
>>> 
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>> 
>> 
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco
>> 
> 
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