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AIX Version 4.3 Differences Guide

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The Model 260 is designed for customer setup of the machine and for<br />

subsequent addition of most features (adapters/devices).<br />

Table 2 shows a summary of all supported graphics adapters for the Model 260.<br />

Table 2. Graphics Adapters Available for the Model 260<br />

Feature Code Adapter Max. Quantity Slot Priority Size<br />

2838 GXT120P 4 1,2,3,4,5 short<br />

2851 GXT250P 4 1,2,3,4,5 short<br />

2852 GXT255P 4 1,2,3,4,5 short<br />

2825 1 GXT3000P 1 2 only long<br />

1 Note: GXT3000P requires <strong>AIX</strong> <strong>4.3</strong>.2. Support for <strong>AIX</strong> 4.2.1 is planned at a later date.<br />

Note<br />

Any GXT550P shipped before October, 1998 is not compatible. The<br />

GXT800P must be installed in slot 1. Slot 2 and 3 will not be available.<br />

1.4 GXT3000P PCI Graphics Accelerator<br />

<strong>AIX</strong> <strong>Version</strong> <strong>4.3</strong>.2 introduces support for the new high performance RS/6000<br />

POWER GXT3000P PCI Graphics Accelerator that attaches to the RS/6000 43P<br />

7043 Models 150 and 260.<br />

The GXT3000P provides hardware acceleration for the new OpenGL 1.2 version<br />

of the API. This adapter accelerates advanced 3D graphics functions, such as<br />

Gouraud shading, antialiasing, depth buffering, fog, atmospheric effects, and<br />

blending. This enables your 3D applications to run more quickly and with good<br />

interactive performance. Additional benefits when using the POWER GXT3000P<br />

graphics accelerator are:<br />

• Increased subpixel addressing over previously supported adapters<br />

• Face culling support<br />

• OpenGL polygon offset support<br />

• OpenGL polygon mode support<br />

• OpenGL specular lighting support in hardware<br />

• Trilinear texture mapping<br />

The POWER GXT3000P offers a highly flexible frame buffer that can be<br />

dynamically configured to provide a broad set of color and feature options. When<br />

using OpenGL and graPHIGS APIs, the GXT3000P offers support for 8-bit and<br />

24-bit double-buffered color and includes 8-bits of double-buffered alpha buffers<br />

for more realistic transparency control. In addition, this accelerator provides 8-bit<br />

overlay buffers that enhance the speed of a graphical user interface (GUI), 8-bit<br />

stencil buffers, 8-bit window ID buffer, and a 24-bit Z-buffer for hidden surface<br />

removal operations. The POWER GXT3000P allows for the display of up to 16.7<br />

million simultaneous colors.<br />

6 <strong>AIX</strong> <strong>Version</strong> <strong>4.3</strong> <strong>Differences</strong> <strong>Guide</strong>

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