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AGP | Tech Info Home Page |


General Description

Accelerated Graphics Port (AGP) is the newest video hardware technology introduced with the Intel Pentium II 440LX AGPset chip set.

For Video Cards that use AGP see the "Video Cards Hardware" page.

It uses a video connection on the motherboard that connects the video controller directly to the system chips set and memory.

The AGP set can transfer data at a rate of 528 MB/sec between the memory and the graphic accelerator. In comparison the PCI bus has a limit of 132 MB/s.

AGP will run at double the PCI clock speed up to 66 MHz using a 32-bit path. It will accelerate full motion video and 3D graphics. Also, 3D programs can store 3D textures (which can consume over 10 megabytes of memory) in the computer's system memory instead of the frame buffer.

Note: The Windows 95 OSR 2.1 should provide support for AGP.

AGP 2x/4x 1.5v Slots -

Many Pentium 4 Motherboards have an AGP connector which  is keyed and will only work with 1.5V AGP cards.

According to Intel "The AGP connector is not mechanically compatible with 3.3V AGP cards. To some the 1.5V AGP connector may appear backwards due to the connector key being exactly the opposite of the 3.3V AGP connector."

AGP 2x/4x Universal Graphics card with AGP 1.5 Volt slot
AGP 2x/4x Universal Graphics card with AGP 1.5 Volt slot


AGP 2x Graphics card with AGP 1.5 Volt slot
AGP 2x Graphics card with AGP 1.5 Volt slot

 

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