Defender II Posted September 24, 2010 Share Posted September 24, 2010 Thompson Electronics C Board for the Atari 400 800 It is a PCB to add 4K more ROM in the ATARI 400 or 800. Does anyone have pictures & installation instructions Quote Link to comment Share on other sites More sharing options...
Defender II Posted September 24, 2010 Author Share Posted September 24, 2010 Also does anyone have a datasheet on the SeeQ DQ52B13-350 8439 IC? Quote Link to comment Share on other sites More sharing options...
Fox-1 / mnx Posted September 24, 2010 Share Posted September 24, 2010 Also does anyone have a datasheet on the SeeQ DQ52B13-350 8439 IC? Like this one? 52B13-52B23.pdf Quote Link to comment Share on other sites More sharing options...
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