AGP(redirected from AGP port)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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AGP(Accelerated Graphics Port) An earlier hardware interface from Intel for connecting a graphics card (display adapter) to a PC. Introduced in 1997 and superseded by PCI Express in the late 2000s, a single AGP slot on the motherboard provided a direct connection between the card and memory. AGP was introduced as a higher-speed alternative to PCI, and it freed up a PCI slot for another peripheral device.
The original AGP standard (AGP 1x) provided a data transfer rate of 264 MB/sec. AGP 2x, 4x and 8x increased the rate to 528 MB/sec, 1 GB/sec and 2 GB/sec. See AIMM, PCI Express, PC data buses and motherboard.
|AGP and PCI Slots|
|The brown AGP receptacle sat about an inch farther back from the PCI slots. There was only one AGP slot on the motherboard for the graphics card.|
|From AGP to PCI Express (PCIe)|
|The 32-bit AGP bus gave way to 16-channel PCI Express (PCIe). For a while, motherboards had one PCIe slot just for the graphics card. Later on, boards offered multiple PCIe slots.|
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