[Coco] original 16k CoCo 1 upgrade to 64k

[Neil Morrison]

----- Original Message ----- 
From: "Ward Griffiths" <wdg3rd at comcast.net>


> On Wednesday 27 October 2004 05:22 pm, Roger Taylor wrote:
> > I am looking to upgrade a 26-3001 16k CoCo 1 to 64k, if possible. 
> > What I'm wanting to know is if there are any jumpers or motherboard
> > mods that need to be done.  I've probably got the DRAMs stashed in my
> > junk box somewhere.
> 
> Just plug the chips in.  That was the official Radio Shack mod, unless 
> the CoCo had a really low serial number (in which case, plug the chips 
> in and see if 32k is recognized by BASIC, if not, swap out the MoBo).

ISTR that many early models only handled 16K without radical surgery.

Neil