page_title: IBM Monochrome Display Adapter
section_title: Clone boards
hierarchical_section_title: IBM Monochrome Display Adapter / Clone boards
caption_attribution_description: English: MDA Video card with Hitachi HD6845 (= Motorola MC6845).
context_page_description: The Monochrome Display Adapter is IBM's standard video display card and computer display standard for the PC introduced in 1981. The MDA does not have any pixel-addressable graphics modes, only a single monochrome text mode which can display 80 columns by 25 lines of high resolution text characters or symbols useful for drawing forms.
context_section_description: Other boards offer MDA compatibility, although with differences on how attributes are displayed or the font used.
  3270 PC
  Amstrad PPC / PC20
  Control Systems Artist 1
  Tamarack Microelectronics TD3088A3
caption: MDA Video card with Hitachi HD6845 (= Motorola MC6845).
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