[Coco] RAM expansion options for the CoCo 3

[Ron]

Sorry folks - I hope this post did not screw anything up.  Typo's in my 
comments at the bottom.  It should be:

I'm very interested in seeing this happen as I'm sure a lot of other 
folks are.  The other really important item we need as well is some 
replacement mylars for Coco keyboards or perhaps a thin circuit board 
(as John Linville  mentioned).  The mylars are delicate and failing.



On 4/20/2017 1:05 PM, Ron wrote:
> Hi Jim,
>
> Here's Jayseon's post in Facebook (it was a while ago):
>
>
>           Jayeson Lee-Steere
>           <https://www.facebook.com/jleesteere?hc_ref=SEARCH&fref=nf>‎/_to_/TRS-80
>           / Color Computer (CoCo)
>           <https://www.facebook.com/groups/2359462640/?ref=nf_target&fref=nf>
>
> September 9, 2016 
> <https://www.facebook.com/groups/2359462640/permalink/10154485244717641/?match=amF5ZXNvbg%3D%3D>· 
> Perth, WA, Australia 
> <https://www.facebook.com/pages/Perth-Western-Australia/108252552529332>·
>
> I've been working on the programmable logic for the 2 meg ram upgrade 
> for the Coco:
>
> "ERROR:Cpld:837 - Insufficient number of macrocells. The design needs 
> at least 37 but only 36 left after allocating other resources.
> Device 9536XL44PC was disqualified."
>
> *Grumble*
>
> On the plus side, the next largest capacity device is available is a 
> drop in replacement for the XC9536XL.
>
>
> I'm very interested in seeing this happen as I'm sure a lot of other 
> folks are.  The other really important item we need as well is some 
> replacement mylars for Coco keyobards or perhaps a think circuit board 
> (as John Linville  mentioned).  The mylars are delicate and failing.
>
> -Ron
>
>
>
> On 4/20/2017 12:53 PM, RETRO Innovations wrote:
>> On 4/20/2017 10:38 AM, Bill Pierce via Coco wrote:
>>> Jayeson Lee-Steere was also working on a memory expansion for the 
>>> Coco3.
>> Where do people find this information?  I looked at all the regular 
>> spots, and I can't find anything.
>>
>> CocoCrew Podcast Info has nothing, Facebook does not seem to have it, 
>> neither does this list.
>>
>>
>> Jim
>>
>>
>>
>