Re: What is this card?

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

In article <k9t5nf$6ff$1@news.xmission.com>,
Egan Ford  <datajerk@gmail.com> wrote:
>On 12/7/12 9:26 AM, BLuRry wrote:
>> On Friday, December 7, 2012 10:09:21 AM UTC-6, Antoine Vignau wrote:
>>> Please: https://picasaweb.google.com/104707687928913128396/AppleIITronCard
>>
>> What on earth is that?  Two xlinx-3 fgpa chips?  That card must have
>done some serious heavy lifting!
>
>Analog RGB perhaps?  Just guessing based on the DB15 connector.

The Video Overlay Card has a couple of FPGAs.  The chips in the middle of
the "Tron Card" are in approximately the same locations on the Video Overlay
Card, too (the one with the 1986 copyright label is a IIGS VGC):

http://www.google.com/imgres?hl=en&sa=X&tbo=d&biw=1136&bih=720&tbm=isch&tbnid=U5A1qhzFQXI6jM:&imgrefurl=http://www.apple2world.jp/apple2/COL/COL-HardWare.html&docid=Mpbfy2neK3Su9M&imgurl=http://www.apple2world.jp/apple2/COL/MapItems/card/img/VideoOverlayCard.jpg&w=1579&h=544&ei=byzCUI3lEYLaqQHkqoH4DQ&zoom=1&iact=hc&vpx=321&vpy=149&dur=6966&hovh=132&hovw=383&tx=239&ty=96&sig=115230281681895663530&page=1&tbnh=85&tbnw=223&start=0&ndsp=24&ved=1t:429,r:3,s:0,i:96

My guess: it's a prototype for what eventually became the Video Overlay
Card.

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