Apple Display Connector
Apple Display Connector
The Apple Display Connector, first debuted in the Apple Studio Display, is physically incompatible with a standard DVI connector, as was previously used in the PowerBook G4 and the older Power Mac G4. The Apple DVI to ADC Adapter, which cost $ 149US at launch but is now available for $ 99US, takes USB and DVI connections from the computer, together with power, and combines them into an ADC connection, allowing ADC monitors to be used with DVI-based machines.
The initial implementation of ADC on some models of Power Mac G4s involved the removal of DVI connectors from these computers. This change necessitated a passive ADC to DVI adapter to use a DVI monitor.
The ADC carries up to 100 W of power, an insufficient amount to run most 19-inch or bigger CRTs widely available during ADC’s debut, nor can it run contemporary flat panels marketed for home entertainment (many of which support DVI or VGA connections) without an adapter. The power limit was an important factor for Apple to abandon ADC when it launched the 30-inch Apple Cinema HD Display. Power is supplied to the ADC port by a finger connector on the video card, which plugs into a slot on the motherboard between the AGP slot and the back panel of the computer.
On newer displays lacking ADC, Apple still uses a single « ganged cable » that connects the separate signal cables to each other so they cannot tangle. This cable, however, employs standard DVI, power, USB and FireWire connectors, avoiding the problems of its predecessor.
^ Power Mac G4: Display Compatibility – Last Modified: May 28, 2008 / Article: HT1825 / Old Article: 58692
^ Apple Announces DVI to ADC Adapter – Connects Apple’s Award-Winning Flat-Panel Displays with New PowerBook G4 April 29, 2002
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Categories: Digital display connectors | Apple Inc. hardware
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