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Matrox took the technology developed from the G project, refined it, and basically doubled it up to form the G processor.

The new chip featured several new and innovative additions, such as multiple monitor output support, Matrox G450 Graphics all-around bit rendering pipeline with high performance, further improved 2D and video acceleration, and a new 3D feature known as Environment Mapped Bump Mapping. Internally the G is a bit processor, using what Matrox calls a "DualBus" architecture.

This is an evolution of G's "DualBus", which had been bit. A Matrox "DualBus" chip consists of twin unidirectional buses internally, each moving data into or out of the chip.


This increases the efficiency and bandwidth of data flow within the chip to each of its functional units. G's 3D engine consists of 2 parallel pixel pipelines with 1 texture unit each, providing single-pass dual-texturing capability.

Matrox G450

It is purely a Direct3D 6. Perhaps the most notable feature of G is its ability to drive two separate monitors to display a single desktop.

This feature is known as "DualHead" and was a decisive edge for Matrox over the card's competitors at the time. The DualHead capability not only offered desktop widening but also desktop cloning two screens showing the same thing and a special "DVDMAX" mode which outputs video overlays onto the second monitor. Matrox's award-winning Powerdesk display drivers and control panel integrated Dualhead in a very flexible and functional way that Matrox G450 Graphics world-renowned for its effectiveness.

Matrox G - Wikipedia

However, contrary to the video mode's name, G does not support full DVD decoding hardware Matrox G450 Graphics. G does have partial support for the DVD video decoding process but it does not perform inverse discrete cosine transform IDCT or motion compensation in hardware Matrox G450 Graphics two most demanding steps of the process. Due to this lack of industry-wide support, and its toll on the limited graphics hardware of the time, EMBM only saw limited use during G's time. Only a few games supported the feature, such as Dungeon Keeper 2 and Millennium Soldier: EMBM requires either specialized hardware within the chip for its calculations or a more flexible and programmable graphics pipeline, such as later DirectX 8.

G's rendering pipelined uses what Matrox called "Vibrant Color Quality 2" VCQ2a functionality in which all internal 3D calculations are done with bit precision.

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The goal was to prevent dithering and other artifacts caused by inadequate precision when performing calculations. The result was the best quality bit and bit color modes available at the time. Matrox was known for their quality analog display output on prior cards and the G is no exception. Where many cards Matrox G450 Graphics crippled by blurry output, especially as the resolution Matrox G450 Graphics refresh rate increased, the Matrox cards delivered very sharp and clear images.

Bthat are fully 4X compliant and run Matrox G450 Graphics the higher speed if the motherboard is capable as well. Performance[ edit ] G was known for being particularly dependent on the host system's CPU for high 3D performance. This was attributed both to its architecture and to the poor drivers it relied on for much of its life especially OpenGL ICD. With regard to its hardware, G's triangle setup engine, called the "Warp Engine" ironically, was somewhat slower than the counterparts aboard the competition's cards.

Matrox G for PCI Computer Graphics Cards eBay

However, the Warp engine was programmable which theoretically enhanced flexibility of the chip. Unfortunately Matrox never described the functionality of this component in-depth so little is known about it. As said earlier, G suffered at Matrox G450 Graphics from driver problems. The situation was eerily similar to what had happened with the older G, with its near-total lack of credible OpenGL support.

Matrox G450 Low Profile

Matrox made it very clear that they were committed to supporting OpenGL, however, and development rapidly progressed. Matrox G450 Graphics a native OpenGL driver called "TurboGL" was released, but it was only designed to support several popular games of the time e.


This driver was a precursor to a fully functional OpenGL ICD driver, a quick development to improve performance as fast as possible by offering an interim solution. The G continually received official driver Matrox G450 Graphics into End of life (EOL) February The Matrox G is an EOL product and is no longer being manufactured or sold by Matrox.


Consult your local resellers and. End Matrox G450 Graphics life (EOL) notification effective October Matrox has publicly announced EOL notification in October of for the G PCI and expects this.

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