[Coco] 68764/68766 EPROMs

RETRO Innovations go4retro at go4retro.com
Mon Sep 21 23:22:45 EDT 2015


On 9/21/2015 7:35 PM, Zippster wrote:
> Yeah, I’d be surprised if there weren’t half a dozen out there…
>
> This one keeps it simple and even says “CoCo” on it.   :)
>
> I’ll take a peek at a few motherboards for clearance, but there’s an
> American CoCo in front of me now.  Did it pretty quick, but I think I
> got everything right.
>
> <https://drive.google.com/open?id=0B1sgl615FlGnTkdpcWpzeVVxV2s <https://drive.google.com/open?id=0B1sgl615FlGnTkdpcWpzeVVxV2s>>
>
> - Ed
I'd pull the top address lines on the 27XXX pinout out so folks can do 
multi-banks if desired.  Not much needed.  I don't think you need the 
.1uF cap there, as the socket will have a cap already.

Jim


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