ATI X1800 User Guide - Page 113

When Catalyst™ A.I. is enabled in Catalyst™ Control Center,

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105 • Super Anti-aliasing - improves image quality by combining the results of full-screen anti-aliasing across two graphics cards in a CrossFire™ configuration. The two graphics cards work on different anti-aliasing patterns within each frame. The first three features are performance features settings automatically selected by ATI's Catalyst™ Control Center. Super Anti-aliasing is a display quality mode selectable using Catalyst™ Control Center. 14 On what basis are different rendering modes chosen? When Catalyst™ A.I. is enabled in Catalyst™ Control Center, it determines the optimal rendering mode to use, based on the application or game being used. The default rendering mode is dependant on both the hardware configuration and the application being run; typically it will be either Scissor or SuperTiling mode. If Catalyst™ A.I. is not enabled, any Direct 3D® applications that are running on a system based on graphics cards with 16-pipeline graphics processors will use SuperTiling Mode. 15 What type of performance improvement is expected? Performance enhancements experienced on a CrossFire™ system depend on the application or game being used. Performance improvements can be increased up to 100%, and the latest graphicsintensive programs will generally see over 80% performance improvement at high resolutions and image-quality modes. 16 How many independent displays can be connected to a CrossFire™ system? While CrossFire™ is designed for optimal use on a single display, it is possible to drive multiple monitors using a CrossFire™ system when CrossFire™ is not enabled. On a standard CrossFire™ system, it is possible to drive three separate sets of monitors and still have one of those displays as a dedicated CrossFire™ display. If the motherboard contains an integrated video connection and SurroundView™ is enabled, more displays can be added. Additional issues are covered in the "Troubleshooting" chapter in the User's Guide.

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105
•
Super Anti-aliasing - improves image quality by combining the
results of full-screen anti-aliasing across two graphics cards in a
CrossFire™ configuration. The two graphics cards work on
different anti-aliasing patterns within each frame.
The first three features are performance features settings
automatically selected by ATI's Catalyst™ Control Center. Super
Anti-aliasing is a display quality mode selectable using Catalyst™
Control Center.
14
On what basis are different rendering modes chosen?
When Catalyst™ A.I. is enabled in Catalyst™ Control Center, it
determines the optimal rendering mode to use, based on the
application or game being used. The default rendering mode is
dependant on both the hardware configuration and the application
being run; typically it will be either Scissor or SuperTiling mode. If
Catalyst™ A.I. is not enabled, any Direct 3D® applications that are
running on a system based on graphics cards with 16-pipeline
graphics processors will use SuperTiling Mode.
15
What type of performance improvement is expected?
Performance enhancements experienced on a CrossFire™ system
depend on the application or game being used. Performance
improvements can be increased up to 100%, and the latest graphics-
intensive programs will generally see over 80% performance
improvement at high resolutions and image-quality modes.
16
How many independent displays can be connected to a
CrossFire™ system?
While CrossFire™ is designed for optimal use on a single display, it
is possible to drive multiple monitors using a CrossFire™ system
when CrossFire™ is not enabled. On a standard CrossFire™ system,
it is possible to drive three separate sets of monitors and still have one
of those displays as a dedicated CrossFire™ display. If the
motherboard contains an integrated video connection and
SurroundView™ is enabled, more displays can be added.
Additional issues are covered in the “Troubleshooting” chapter in the
User’s Guide
.