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PA-RISC Graphics Adapters

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Overview

HP 9000 and PA-RISC workstations were shipped almost exlusively with custom HP graphics adapters. HP designed a variety of video cards for different use cases, from simple 1990s 2D design to more advanced CAD/CAM, 3D modeling and advanced scientific design.

PA-RISC graphics adapters used a variety of HP video chips and GPUs, available for different buses (GSC, SGC, PCI) and form factors. Some of the more advanced cards were immensely expensive (>$20k).

This article describes 1990s-era HP-proprietary designs for HP workstations. Full support for PA-RUSC graphics cards is available only in HP-UX, with incomplete support in other and open source systems, especially for 3D and acceleration.

In some later 64-bit PA-RISC workstations, HP switched to off-the-shelf PCI video chipsets from the Intel/x86 world, customized for HP workstations. HP also shipped some of its PA-RISC video adapters with its Intel NT-based Visualize workstations.

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OpenPA is an independent resource on PA-RISC computers, technology and operating systems, edited since 1999 by Paul Weissmann. He also publishes OpenKRITIS on critical infrastructures and Insel Westberlin, a Berlin archive. OpenPA is a registered serial publication, ISSN 1866-2757.

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