Accelerated Graphics Port (AGP)
The AGP port was designed by Intel in August 1997 for video
cards and 3D card accelerators. AGP is the brainchild of Ajay Bhatt, Intel's
Chief I/O architect, who was also behind the invention of USB ports (Remember
that Intel advert with an Indian walking around like a rockstar?!). AGP was a
milestone in the area of video cards and GPUs. AGP introduced a dedicated
point-to-point channel due to which the graphic controller can directly access
the system memory. AGP allows 3D textures to be stored in the main memory
rather than the video memory – a significant development over the PCI bus. This
increases bandwidth and supports more powerful graphics.
A much
advanced AGP Pro was developed later; it provided more power to video cards.
Earlier, not all operating systems and motherboards supported AGP due to
limited or no driver support. By 2010, however, many motherboards were produced
with the AGP slots.
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