DVI-D Vs DVI-I
DVI (digital video interface) is a standard connection for high-resolution digital displays. VGA (video graphics array) was designed specifically for CRT (cathode ray tube) monitors and could not fully utilize the resolution and image quality of digital monitors, so a partnership of companies developed DVI.
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Types
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Two of the most common types of DVI interfaces are DVI-I and DVI-D. DVI-I can carry both digital and analog signals, while DVI-D carries only digital data.
Uses
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Newer flat-screen monitors and other displays often connect via DVI-D. DVI-I is used to connect analog displays, often by using an adapter cable that has a DVI-I connection on one end and a totally analog VGA connection on the other.
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Advantage
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This 29-pin DVI-I connector has five pins for analog information. Video cards commonly feature at least one DVI-I output. This offers an advantage over DVI-D because the DVI-I interface can be connected to a digital or an analog monitor.
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References
- Photo Credit dvi image by matteo NATALE from Fotolia.com dvi stecker image by Val Thoermer from Fotolia.com
