8514-A - definição. O que é 8514-A. Significado, conceito
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O que (quem) é 8514-A - definição

VIDEO ADAPTER RELEASED BY IBM IN 1987 FOR USE WITH IBM PS/2 COMPUTERS
8514; 8514-A; 8514/A; 8514 (display standard); IBM 8514 (display standard)
  • ATI Mach32]] VLB video card
  • Tseng ET4000]]
  • The IBM 8514 Micro Channel adapter, with memory add-on.

8514-A         
<a href="">8514a>
8514         
<hardware> An <a href="">IBMa> graphics <a href="">display standarda> supporting a <a href="">resolutiona> of 1024 x 768 <a href="">pixelsa> with 256 colours at 43.5 Hz (<a href="">interlaceda>), or 640 x 480 at 60 Hz interlaced. 8514 was introduced at the same time as <a href="">VGAa> and was superseded by <a href="">XGAa>. (1999-08-01)
Å         
LETTER; SEPARATE LETTER IN THE SWEDISH, DANISH, NORWEGIAN, FINNISH, NORTH FRISIAN, WALLOON, CHAMORRO, LULE SAMI, SKOLT SAMI, SOUTHERN SAMI, AND GREENLANDIC ALPHABETS
A ring; A-ring; A with a ring; U+00C5; U+00E5; A with ring; A with ring above
The letter Å (å in lower case) represents various (although often very similar) sounds in several languages. It is a separate letter in Danish, Swedish, Norwegian, Finnish, North Frisian, Low Saxon, Walloon, Chamorro, Lule Sami, Pite Sami, Skolt Sami, Southern Sami, Ume Sami, and Greenlandic alphabets.

Wikipédia

IBM 8514

IBM 8514 is a graphics card manufactured by IBM and introduced with the IBM PS/2 line of personal computers in 1987. It supports a display resolution of 1024 × 768 pixels with 256 colors at 43.5 Hz (interlaced), or 640 × 480 at 60 Hz (non-interlaced). 8514 usually refers to the display controller hardware (such as the 8514/A display adapter). However, IBM sold the companion CRT monitor (for use with the 8514/A) which carries the same designation, 8514.

The 8514 uses a standardised programming interface called the "Adapter Interface" or AI. This interface is also used by XGA, IBM Image Adapter/A, and clones of the 8514/A and XGA such as the ATI Technologies Mach 32 and IIT AGX. The interface allows computer software to offload common 2D-drawing operations (line-draw, color-fill, and block copies via a blitter) onto the 8514 hardware. This frees the host CPU for other tasks, and greatly improves the speed of redrawing a graphics visual (such as a pie-chart or CAD-illustration).

The 8514 initially sold for US$1,290 for the adapter and US$270 for the 512KB memory expansion. The 8514/A required a Micro Channel architecture bus at a time when ISA systems were standard.