Accelerated Graphics Port

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accelerated graphics port

[ak‚sel·ə‚rād·əd ′graf·iks ‚pȯrt]
(computer science)
A personal computer graphics bus that transfers data at a greater rate than a PCI bus.

Accelerated Graphics Port

(hardware, graphics)
(AGP) A bus specification by Intel which gives low-cost 3D graphics cards faster access to main memory on personal computers than the usual PCI bus.

AGP dynamically allocates the PC's normal RAM to store the screen image and to support texture mapping, z-buffering and alpha blending.

Intel has built AGP into a chipset for its Pentium II microprocessor. AGP cards are slightly longer than a PCI card.

AGP operates at 66 MHz, doubled to 133 MHz, compared with PCI's 33 Mhz. AGP allows for efficient use of frame buffer memory, thereby helping 2D graphics performance as well.

AGP provides a coherent memory management design which allows scattered data in system memory to be read in rapid bursts. AGP reduces the overall cost of creating high-end graphics subsystems by using existing system memory.

Specification.
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References in periodicals archive ?
Featuring high performance, low power and advanced I/O technology, the board is also equipped with an AGP slot, a VGA port and an onboard LVDS connector to support dual display.
The J2950 has integrated Intel Extreme Graphics in addition to an open AGP slot -- a great option for customers who may want to add in a dedicated graphics card in the future.
25-inch bays, four USB slots, four PCI slots and one AGP slot.
1 x AGP Slot (AGP 4X/2X Mode; 32-bit/66 MHz AGP Protocol)
Users can apply the onboard video to add a 4 MB GPA module to the AGP slot for optimal 3D performance, or they can add the latest AGP video card to the AGP slot.
The board includes five 32-bit busmastering PCI slots, one 16-bit ISA slot and one AGP slot with 4X graphics support.
2 acceleration in hardware, ships with 3Dlabs' full Intel and AMD optimized, multi-threaded PowerThreads(TM) OpenGL drivers and implements full Virtual Texturing --delivering outstanding workstation productivity even on older or low-cost systems that do not have an AGP slot.
Oxygen GVX210 directly drives two monitors from a single, standard AGP slot and fully accelerates 3D volumetric textures as used in advanced medical and visualization applications.
Also, five PCI slots have been included together with an AGP slot and five bays for other options.
Fully compatible with PowerMac G4 AGP-equipped models (350MHz to 1GHz), they act as replacements to the stock Apple G4 daughtercard and do not take up a separate PCI or AGP slot.