Re: EDD Plus Card

[scott@alfter.DIESPAMMERSDIE.us (Scott Alfter)]

In article <lcudnf5GWvCJLqHanZ2dnUVZ_sytnZ2d@comcast.com>,
Michael J. Mahon <mjmahon@aol.com> wrote:
>Scott Alfter wrote:
>> In article <473c6957$0$19735$4c368faf@roadrunner.com>,
>> Bryan Parkoff <nospam@nospam.com> wrote:
>>>   Do you know where I can find to buy EDD Plus Card?  It is rare and not 
>>>found on eBay.
>>>
>>>   Info on http://www.apple2info.net/hardware/edd/edd.htm
>> 
>> At this point, it'd probably be easier to build your own than to wait for
>> one to turn up on eBay.  The page you linked includes a reverse-engineered
>> schematic; all that would remain would be to do the layout, board
>> fabrication, and assembly.
>
>Although the "schematic" given is more like a "pictorial" than a
>schematic.  It requires conversion to a conventional schematic
>with logic symbols to understand what's going on.

Hadn't noticed that...but datasheets are readily available, so swapping in
the appropriate logic symbols is trivial.  Might be something to tackle
myself sometime, if I get the time.  (It'd be an easier "first project" to
complete with gEDA than the beer-fridge controller that I've not sent out
yet. :-) )

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