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Laptops and other mobile computers use different interfaces between the display controller and the display. A display controller usually supports multiple computer display standards. KMS driver is an example of a device driver for display controllers and AMD Eyefinity is a special brand of display controller with multi-monitor support.
Video Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers in 1987, [1] [2] [3] which became ubiquitous in the IBM PC compatible industry within three years. [4]
The display driver may itself be an application-specific microcontroller and may incorporate RAM, Flash memory, EEPROM and/or ROM. Fixed ROM may contain firmware and display fonts. A notable example of a display driver IC is the Hitachi HD44780 LCD controller. Other controllers are KS0108, SSD1815 (graphics capable) and ST7920 (graphics capable)
The display adapter was composed of three physical circuit boards (one with the on-board microprocessor, firmware ROMs and video output connector, one providing CGA emulation, and the third mostly carrying RAM) and occupied two adjacent expansion slots on the XT or AT motherboard or the Expansion Unit; [7] the third card was located in between ...
Inside external display devices there is a controller board that will convert the video signal using color mapping and image scaling usually employing the discrete cosine transform (DCT) in order to convert any video source like CVBS, VGA, DVI, HDMI, etc. into digital RGB at the native resolution of the display panel. In a laptop the graphics ...
Professional Graphics Controller: With on-board 2D and 3D acceleration introduced in 1984 for the 8-bit PC-bus, intended for CAD applications, a triple-board display adapter with built-in processor, and displaying high-resolution, full-colour graphics at a 60 Hz frame rate. [1] 640×480 (307k) 640 480 307,200 4:3 8 bpp MCGA: Multi-Color ...
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It supports a display resolution of 1024 × 768 pixels with 256 colors at 43.5 Hz , or 640 × 480 at 60 Hz (non-interlaced). [1] [2] 8514 usually refers to the display controller hardware (such as the 8514/A display adapter). [2] However, IBM sold the companion CRT monitor (for use with the 8514/A) which carries the same designation, 8514.
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