1) Video card 
SCION`s MicroAngelo was an early graphics card for S-100 bus computers. Each MicroAngelo board produced a 512 by 480 pixel monochrome image, high resolution for the era. The MicroAngelo Palette (or Colour Mixing) Card used the output of multiple MicroAngelo`s as individual bit-planes to produce images with up to 256 colors (using 8 cards). Early.....