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  • Digital Video Interface
  • very common on desktop computers and modern computer displays, far less common on laptops, very rarely used by TVs
  • same digital video signal used by HDMI and DisplayPort, can be adapted to/from either one with a dongle
  • multiple versions of connector with up to 29 pins: main group consisting of three rows of eight pins each, plus a single wide, flat pin surround by four pins for analog signals
    • DVI-D - supports digital video only
      • Single-Link DVI-D is missing the four analog pins and the six middle pins of the main group
      • Dual-Link DVI-D uses all but the four analog pins
    • DVI-I - supports both digital and analog video, can be adapted to VGA with a simple dongle, usually the output port on a computer is this type
      • Single-Link DVI-I has all pins but the six middle pins of the main group
      • Dual-Link DVI-I has the full set of pins and can be used for any mode
    • DVI-A - supports analog video only, contains only the analog pins and half of the main group, usually only found on VGA-to-DVI adapters
    • Mini-DVI used by some Apple laptops
    • Micro-DVI pretty much never used, except by some Apple MacBook Air laptops
    • all versions support progressive scan video and HD resolutions:
      • max resolution of Single-Link at 60Hz is 1920x1200p60
      • max resolution of Dual-Link at 60Hz is 2560x1600p60
      • see Display Formats for more info

See External Wikipedia Link for images of different connector versions