The MDR 20 Connector most commonly used on Compaq Monitor and ATI Cards. Used rarely in some MAC Machines. MDR-20 is a Pure Digital Signal Converter cable for connecting legacy devices with DFP (MDR20) connectors to newer devices with a DVI interface. This cable is designed to integrate older-style digital ports with newer DVI standards, so there is no need to toss out that DFP monitor just yet. The DVI-D connector is an industry standard digital video interface port for per-pixel accuracy on LCD flat panels and other high-definition displays. The 20-pin DFP connector (HPCN20) represents a predecessor of DVI found on a number of LCD monitors. It offers the same digital image quality as DVI, but was never implemented on a massive scale like DVI has been « less