[Coco] Upgrading a CoCo 1

[L. Curtis Boyle]

That would be a D board - the 2nd oldest one in existence (there are a very for C boards). It is harder to upgrade the RAM in this version, but if you can solder, it is upgradeable to 64k. Others who are “hardware” gurus can help with how. :-)


L. Curtis Boyle
curtisboyle at sasktel.net

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



> On Jan 16, 2019, at 2:55 PM, Neil Cherry <ncherry at linuxha.com> wrote:
> 
> On 1/16/19 3:46 PM, Neil Cherry wrote:
>> On 1/16/19 2:54 PM, Michael Brant wrote:
>>> What motherboard revision do you have?
>> I'm not sure how to check. Here's what I can see:
>> Board markings
>> Tandy Corp 1980
>> 1016810
>> 8709137-D
>> SN:0017372
>> Thanks
> 
> Oops, missed the obvious
> 
> 26-3001
> 
> -- 
> Linux Home Automation         Neil Cherry       ncherry at linuxha.com
> http://www.linuxha.com/                         Main site
> http://linuxha.blogspot.com/                    My HA Blog
> Author of:    	Linux Smart Homes For Dummies
> 
> -- 
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>