I remember seeing a computer with 24-bit graphics at a computer store in the mid-1980s. It was not a normal PC with a high-end graphics board installed; the graphics came standard, possibly with three 8-bit graphics boards pre-installed. In my memory this was a DEC Rainbow, but I looked that up, and that seems to have been an unremarkable business machine with just 1-bit/pixel. Now I am thinking it may have been a high-end TI 808x machine aimed at the professional market (unlike the TI 99/4).

As I remember, this machine did not last very long. There was very little software available supporting 24-bit graphics on PCs, and, while an MS-DOS machine, it was not considered a PC Clone. Does anyone else remember such a thing? What was it?

  • I checked my guess, the Mindset, but it did not have a 24-bit mode: en.m.wikipedia.org/wiki/Mindset_(computer)
    – Tommy
    Jun 5, 2019 at 12:56
  • Mindset was my guess too. Perhaps Atari Abaq, which did support 24-bit? But that was not MSDOS. Jun 5, 2019 at 14:15
  • I would be amazed if there was an exclusively MS-DOS computer that old that had 24-bit graphics. Was it something *nix based with a DOS card maybe?
    – Alan B
    Jun 5, 2019 at 14:17
  • @AlanB I'm not positive that it was not Unix, but pretty sure it was MSDOS. A review I half-remember reading based it's "not pc-compatible" conclusion on its inability to run Microsoft Flight Simulator.
    – RichF
    Jun 5, 2019 at 14:27
  • Most likely a PC with TrueVision (AT&T) TARGA graphics card, used to run proprietary Paint applications (i.e. TARGA-PAINT), I believe, under MS-DOS.
    – Brian H
    Jun 5, 2019 at 19:55


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