Series 1 Coco possibilities

[bettablue]

I have been doing a lot of researching and sourcing out the parts needed to upgrade my TRS-80 Model 4, but I also own a series one TRS-80 Coco that I want to upgrade as well. The Model 4 is just waiting to finalizing the deals to purchase the needed parts, but I have no idea just what I can do with my Coco.

So, while I’m already buying my Model 4 parts, what can I do to upgrade my Coco? Memory, processor, ports, etc... I’m also interested in purchasing some game controllers, and possibly get game pads, in place of joysticks.

So, what is upgradableon the Coco?

Thanks much

Chiao

Thomas