[Coco] The Tri-Annual CoCo 4 Thread

[Steve]

Nick, I looked up the part on line there is only 119,808 bits of ram on 
the chip. You will need more that 1,000,00 bits for the 128K of ram on 
the CoCo 3. Chips with that size of ram run $250 and up.

You could use this line of FPGA if you willing to hook up ram to it.

What if design a board that holds the FPGA, RAM and the other interfaces 
(ports) to plug in CoCo equipment and have it fit a CoCo case.  The you 
would have a CoCo replacement.

But that's a lot of work for only 200 units.

Steve

On 2/13/2014 12:24 PM, Nick Marentes wrote:
> http://www.ebay.com.au/itm/Altera-CycloneII-EP2C5T144-FPGA-Mini-Development-Board-Module-AU-Local-Shipping-/200955760964?pt=AU_Hardware&hash=item2ec9e59144 
>
>
> I wonder if a "CoCo4" could be built by utilizing a board such as this to
> act as the main FPGA board plugging into a "CoCo I/O main board". This
> board would provide all the CoCo specific I/O. The FPGA is already 
> made and
> could be upgraded."
>
> Nick