8514 - définition. Qu'est-ce que 8514
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Qu'est-ce (qui) est 8514 - définition

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         
<hardware> An IBM graphics display standard supporting a resolution of 1024 x 768 pixels with 256 colours at 43.5 Hz (interlaced), or 640 x 480 at 60 Hz interlaced. 8514 was introduced at the same time as VGA and was superseded by XGA. (1999-08-01)
8514-A         

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.

Exemples du corpus de texte pour 8514
1. Patients who contact a helpline on 0845 603 8514 will be offered tests.