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VGA Legacy MKIII - Matrox Millennium G

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, Matrox G450 PCI as multiple monitor output support, an 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 Matrox G450 PCI 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.

Matrox Graphics - Products - Legacy Products - G-Series - G

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 Matrox G450 PCI capability. 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 Matrox G450 PCI 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 Matrox G450 PCI 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 become world-renowned for its effectiveness. However, contrary to the video mode's name, G does not support full DVD decoding hardware acceleration. 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 the 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 Matrox G450 PCI 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.

The goal was to prevent dithering and other artifacts caused by inadequate precision when performing calculations. The result was the best Matrox G450 PCI bit and bit color modes available at the Matrox G450 PCI. Matrox was known for their quality analog display output on prior cards and the G is no exception. Where many cards were crippled by blurry output, especially as the resolution and refresh rate increased, the Matrox cards delivered very sharp and clear images. Bthat are fully 4X compliant and run at the higher speed if the motherboard is capable as well.

MAtrox G450 PCI card in Windows 7

Performance[ edit ] G was known for being particularly dependent on the host system's CPU for high 3D performance. This was attributed Matrox G450 PCI to its architecture and to the poor drivers it relied on for much of its life especially OpenGL ICD.


With regard Matrox G450 PCI its hardware, G's triangle setup engine, called the "Warp Engine" ironically, was somewhat slower than the counterparts aboard the competition's cards. However, the Warp engine was programmable which theoretically enhanced flexibility of the chip.

Matrox G450

Unfortunately Matrox never described the functionality of this component in-depth so little is known about it. As said earlier, G suffered at launch 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 made it very Matrox G450 PCI that they were committed to supporting OpenGL, however, and development rapidly progressed. End of 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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G PCI The Matrox G450 PCI G is an EOL product and is no longer being manufactured or sold by The Matrox G is a dual monitor AGP graphics card.

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