ATI Catalyst Drivers 9.6 XP

Performance Improvements

Catalystâ„¢ 9.6 brings performance benefits in several cases where framerates are CPUlimited.
Some measured examples are:
* Company of Heroes – performance improves up to 25% with HD 4600 series
products and below as well as improvements of up to 10% on HD 4800 series
* Crysis – performance improves up to 13% in multi-GPU configurations
* Crysis Warhead – performance improves up to 11% in multi-GPU configurations
* World in Conflict – performance improvements of up to 30% can be seen in settings
that were previously CPU limited


Resolved Issues for All Windows Operating System

This section provides information on resolved issues in this release of the ATI Catalystâ„¢
Software Suite for all Windows OS. These include:
* Opening Crossfire pages no longer causes Catalyst Control Center to stop responding
* Catalyst Control Center: With some multi adapter systems in clone mode, disabling
the primary display is now possible
* Changing the bitrate slider values, while transcoding WMV files, no longer causes
Catalyst Control Center to stop responding
* Catalyst Control Center: On some systems configurations, the Overdrive options no
longer fails to display
* Catalyst Control Center content no longer appears interlaced when automatic
deinterlacing is enabled
* Catalyst Control Center: Display settings no longer missing when hot plugging a
CRT display in clone mode
ATI Catalystâ„¢ Release Note Version 9.6 5
* Catalyst Control Center: Scaling option slider is no longer inadvertently enabled
when using a non-HDTV resolution
* Fixed a regression in ATI CAL that caused certain IL kernels that compiled and
executed properly with Catalyst version prior to 9.4 to no longer work properly with
Catalyst 9.4 or later


Resolved Issues for the Windows Vista Operating System

This section provides information on resolved issues in this release of the ATI Catalystâ„¢
Software Suite for Windows Vista. These include:
* On some configurations, video artifacts are no longer visible during playback of
transcoded video files
* Second adapter will now run at default minimum clock values, instead of custom
GPU clock values, without requiring the user to launch and exit the 3D game in full
screen mode
* Corruption and flickering no longer visible when switching between window and full
screen mode when playing Crysis


Resolved Issues for the Windows XP Operating System

This section provides information on resolved issues in this release of the ATI Catalystâ„¢
Software Suite for Windows XP. These include:
* Catalyst Control Center: Scaling option slider is no longer incorrectly enabled when
using non-HDTV resolutions
* System instability no longer observed when task switching to desktop when playing
"Tom Clancy's HAWK"
* Catalyst Control Center: On some configurations, the scaling options are no longer
missing for HDMI or component video displays
* Team Fortress 2 some slowdowns no longer occur during gameplay


Resolved Issues for the Windows 7 Operating System

This section provides information on resolved issues in this release of the ATI Catalystâ„¢
Software Suite for Windows 7. These include:
* Some systems with both a component video display and a secondary display, it is
now possible to duplicate the displays using the display settings
* Catalyst Control Center: Graphics corruption no longer visible when updating the
ATI Graphics Power settings
* Catalyst Control Center: System no longer fails to set the Component Video modes
* Catalyst Control Center no longer shows Crossfire as disabled
* Catalyst Control Center: Default HDTV modes can now be enabled properly
* Enabling CrossFire under specific system configurations no longer causes Catalyst
Control Center to stop responding
* Intermittent corruption no longer visible throughout Enemy Territory Quake Wars
levels