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|Originally posted by walford|
The 24 pin allows for tranmission of analog video along with the digital video and was used in some PC's and monitors which wanted to use a DVI connection without initially using a Digital signal. It is called DVI-I for integrated as compared to DVI-D for digital only. Some DVI-D connectors will not allow a DVI-I cable to be connected as the hole for the extra pins are filled in.