Soon the competition in value segment got too tough. This creates obvious color banding on low resolution textures viewed up close. Yet the driver is not preferring format, there is no speed improvement anyway. Considering how many boards shipped with only two megabytes of memory, it is welcome addition nonetheless. All 3d primitives from points to quadrilaterals are supported. The processor was known for its well-performing bit color mode, but also its poorly dithered bit mode; strangely, the RAGE was not much faster in bit color despite the lower bandwidth requirements.
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From Wikipedia, the free encyclopedia.
Soon the competition in value segment got too tough. ATi also kept on missing opportunity to implemented vertex specular highlights under Direct3d, despite having the feature in their proprietary CIF.
All 3d primitives from points to quadrilaterals are supported.
ATI RAGE IIC graphics card – RAGE IIC – 4 MB Overview – CNET
The processor was known for its well-performing bit color mode, but also its poorly dithered bit mode; strangely, the RAGE was not much faster in bit color despite the lower bandwidth requirements.
So I have nothing much to talk about, gallery is at your disposal anyway. Driver ragw VT3 string, interesting Perspective correction and 32 bit depth and even Z-buffering have little impact, but bilinear filtering higher than desirable performance drop.
Aside from the VR chip’s lower price-point, the main difference was that the former was a full bit design, while the VR, still a bit processor internally, used a bit external memory interface. There is one suspicious image quality issue, textures often seem to have reduced color range.
As the name says, AFR renders each frame on an independent graphics processor. The chip was basically a die-shrunk 2v Prooptimized to be very inexpensive for solutions where only basic graphics output was necessary. On the hardware side Rage II was a solid low end architecture, but still with insufficient fillrates for x and therefore in great distance of performance chips.
Even if these features were “free”, Rage II performance would be rqge from best. But for the time Rage II line gained big market share among 3d accelerators. It turned out R2c has the same memory clock wall as R3- after MHz it gives up. Overall While ATI had a horrible Windows driver reputation since Mach64, and the packages have scary high amount of files, my test system was stable and everything 2x as it should. This is not much of surprise from a chip without texture caching, still lci this optimization in synthetic tests the performance drop of bilinear filtering remains rather big.
For it’s time it is quite feature rich and can draw nice pictures, unless one nasty bug kicks in.
OEM 3D CHARGER PCI 4MB SDRAM W/RAGE IIC
More promising feature could be texture compression technique with two to four times compression ratio, but by this ATi understood less exciting palletized textures. It is the successor to the Mach series of 2D accelerators. It was ATI’s first dual texturing renderer, in that it could output two pixels per clock two pixel pipelines. It integrated a low-voltage differential signaling LVDS transmitter for notebook LCDs and advanced power management block-by-block power control. However some bugs and simplifications hold image quality back.
It seems despite die shrink ATI did not made any architectural advancements, at least not in 3d. Similarly to Laguna3D all members of Rage II family suffers from perspective problems, some surfaces are just wavy instead of straight.
This page was last edited on 7 Juneat Again and better Autumn came and before anyone could yet realize first Rage will have miserable Direct3D compatibility, ATI unveiled second chip of the line.
Also depth buffer never delivered improved performance, so it is unlikely there is any z-compare rejection of pixels. Most important was z-buffering implemented in hardware, as it became requirement for many Direct3D games. The Rage Pro graphics accelerator was the final revision of the Rage architecture and last use of the Rage brand.
On top of that AGP 1x interface became an option, but without any advanced features. Considering full availability in Christmas season such figure was far from exciting.