[Coco] coco 2 ram expansion connector

didier derny didier at aida.org
Sat Sep 27 07:26:32 EDT 2014


Yes my coco 2 is a Korean 26-3134A

I have the ram chips, so it's the easiest way to upgrade

To tell the truth, I'm rather struggling with the different version of
schematics...
I hoped that I would find a schematics for the Korean 26-3134A but 
The schematics I found In Sams book is for a different 26-3134

Thanks for your help

--
Didier

-----Message d'origine-----
De : Coco [mailto:coco-bounces at maltedmedia.com] De la part de Bob Devries
Envoyé : samedi 27 septembre 2014 08:46
À : CoCoList for Color Computer Enthusiasts
Objet : Re: [Coco] coco 2 ram expansion connector

The Korean model of the Colour Computer 2 *does* have a RAM expansion
connector. There are two rows of terminals one on either side of the ram
chips. Tandy sold a RAM expansion card which had 8 4164 chips.

It was also possible to install two 4464 chips to replace the existing
ramchips.

Regards, Bob Devries
Dalby, QLD, Australia

On 27/09/2014 4:34 PM, Camillus Blockx wrote:
> HI,
>
> A coco2 does not have an expantion connector. You have to replace the old
chips with newer ones of a higher apacity.
> I do not have the specs here, but if you put lso thr board revision on 
> your mail, someone will surely help you. ALso go to the glenside 
> comoter culb in IL ( or Mail ) see: www.glenside.com I believe. ( 
> google for glenside )
>
> cba
> On 9/27/2014 1:29:53 AM, didier derny <didier at aida.org> wrote:
> Hi All,
>
> I'm new on this list, I just ordered a coco 2 on ebay...
> The machine I ordered is a 26-3134A
>
> I'm looking for the pinout of the memory expansion connector
>
> Any idea where I could find the precise schematics for this model And 
> the pinout of the 2 small white connected placed next to the memory 
> chips ?
>
> Thanks
>
> --
> Didier
>
>
>
>
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