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  • MCGA Video Subsystem Page

    From Louis Ohland@21:1/5 to All on Tue Feb 22 13:46:29 2022
    http://ps-2.kev009.com/ohland/video/MCGA_Video_Subsystem.html

    NOTE: You can find the Model 25 Tech Ref online, so this page is not
    anything earth-shattering. I do have some further books coming in and I
    -MIGHT- have some further clarifications... I did a pin out for the
    72X8300 [Video Memory Controller] and the 72X8205 [Video Formatter], but
    that was SIMMply transcribing data from the Model 30 schematics. -LFO

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