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The Video Graphics Array (VGA) connector is a standard connector used for computer video output. Originating with the 1987 IBM PS/2 and its VGA graphics system, the 15-pin connector went on to become ubiquitous on PCs, [ 1 ] as well as many monitors, projectors and HD television sets.
The modern DE-15 connector can carry Display Data Channel to allow the monitor to communicate with the graphics card, and optionally vice versa. [1] Being replaced by DVI from 1999 onward. DB13W3: Analog computer video, color and monochrome. Sun Microsystems, Silicon Graphics, IBM RISC, Intergraph and some Apple Computer computer workstations.
From the monitor's side, there is no difference in input signal in a text mode and an All Points Addressable (APA) mode of the same size. A text mode signal may have the same timings as VESA standard modes. The same registers are used on adapter's side to set up these parameters in a text mode as in APA modes.
MDA and CGA monitors could be driven, as well as newly released enhanced color monitors for use specifically with EGA. [25] EGA-specific monitors used a dual-sync design which could switch from the 15.7 kHz of 200-line modes to 21.8 kHz for 350-line modes. [25] A non-IBM EGA card. Many EGA cards have DIP switches on the back of the card to ...
However, during the transition, the change was not backwards-compatible and video cards using the old scheme could have problems if a DDC-capable monitor was connected. [5] [6] The DDC signal can be sent to or from a video graphics array (VGA) monitor with the I 2 C protocol using the master's serial clock and serial data pins.
A flat-panel display (FPD) computer monitor A cathode-ray tube (CRT) computer monitor A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display , support electronics, power supply, housing , electrical connectors , and external user controls.
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Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a computer monitor.