New Features
This section provides information on new features found in this release of the Radeon
Display Driver. These include the following:

ATI Catalyst 9.4 - New ATI OverDrive auto-tuning application
ATI Catalyst 9.4 includes a new ATI Overdrive auto-tune application to accurately
determine the best over-clocked engine and memory values for ATI Overdrive
supported ATI Radeon Graphics accelerators
Designed for the ATI Radeon HD 4000 Series
* AMD’s product warranty does not cover damages caused by over clocking, even when
enabled via AMD OverDrive software

Resolved Issues for the Windows Vista Operating System
This section provides information on resolved issues in this release of the ATI Catalyst
Software Suite for Windows Vista. These include:
"World of Warcraft" or "World of Warcraft - Wrath of the Lich King": Flickering no
longer occurs when Shadow is set to medium/high using CrossFire
Google Sketchup no longer displays blank screen
Resolutions above 10 x 7 will now full screen properly for specific HDMI displays
Artifacts no longer visible while playing Age of Conan DX10
VC-1 progressive disc playback no longer exhibits block corruption
Resolved Issues for the Windows XP Operating System
This section provides information on resolved issues in this release of the ATI Catalyst
Software Suite for Windows XP. These include:
The Compute Abstraction Layer (CAL) driver now functions properly under
Windows XP
Overlay Theatre Mode display no longer corrupt after enabling 3D screen saver
OS Display Settings no longer shows extra resolutions for Component Video
Resolved Issues for the Windows 7 Operating System
This section provides information on resolved issues in this release of the ATI Catalyst
Software Suite for Windows 7. These include:
City of Villains: Display now redraws correctly after changing graphics settings
Catalyst Control Center: 1080i@30hz and 1080i@25hz Component Video modes
can now be applied via Component Video - Advanced aspect Custom formats modes can now be applied properly and will be available under "List
All Modes"
Display profiles will now be restored when displays are swapped while the system
sleeps
WinDVD9 HD playback doesn't cause the desktop to jitter or flicker anymore
Device Manager no longer displays error during express driver uninstall
Known Issues Under the Windows Vista Operating System
This section provides information on known issues that may be experienced under the
Windows Vista operating system with the latest version of Catalyst. These include:
AVIVO converter may fail to convert h.264 avi video to another format
“Unsupported file formats” error message dialog may occur when selecting H.264,
mp4 and VC1 file formats
“CCC Host application...” error message dialog may occur when cancelling a
transcoding process
Output media file size differs after transcoding multiple times to the same format
The ATI AVIVO video transcoder does not currently use GPU acceleration under
Windows Vista 64-bit edition
Both LCD and CRT may go blank when hotplugging the CRT to the system, and will
not recover until it is switched to discrete GPU
DVD playback may cause the system to stop responding after resume from S3/sleep
Frames may be dropped when playing Blu-ray video with PowerDVD8
"Fan Speed Control" may change to default settings when Crossfire is
enabled/disabled
Audio Control Panel might show the HDTV entry even when unplugged
Rotation may not work if Aero mode is turned off
Call of Duty 5: Some corruption may be visible
Audio Control Panel might not reflect configuration change from 7.1 Audio to Stereo
Running OpenGL applications in windowed mode on extended desktop may cause
the secondary display to go blank for some ASICs
Catalyst Control Center: On "Available Display Devices" detection page, when
selecting the secondary display, the radio button is not greyed out for the monitor
already chosen as the main display
Corruption might be observed in some OGL games with Super Anti-Alias and "Show
CrossfireX" enabled on 3-4 display configurations
Fallout 3 with QUAD Crossfire may flicker at specific resolutions
Second adapter will run at custom GPU clock values instead of default mininum
clock values until a 3D game is launched and exited in full screen mode

Known Issues Under the Windows XP Operating System
The following section provides a summary of open issues that may be experienced under the Windows XP operating system in the latest version of Catalyst. These include:
Transcoding a VOB DVD file (18min source file) results in 2.27min output file
Transcoding falls back to CPU after transcoding to DVD/MPEG2 multiple times in
XP
Media files transcoded using CPU instead of GPU in XP MCE OS
Garbled text may appears on resume splash screen after hibernation with some
ASICs
OS Display Settings shows extra resolutions for Component Video
A performance drop may be observed on Enemy Territory Quake Wars, Doom3 and
Quake4
Fan Speed Control is missing in OverDrive5 aspect

Known Issues Under the Windows 7 Operating System
The following section provides a summary of open issues that may be experienced under
the Windows 7 operating system in the latest version of Catalyst. These include:
Moving a video clip file across an extended desktop may causes Windows Media
player to stop responding on ATI Radeon 31xx, 24xx devices
Display configuration changes in extended desktop may take longer than normal to
apply
Catalyst Control Center: Advance Color page, when enabling the advanced color
settings the preview window may blank out
Opening Catalyst Control Center may result in an error message when using Dual
Adapters with a non-ATI ASIC and ATI ASIC
Switching amongst Virtual Desktops may cause certain applications on one virtual
desktop to move to another virtual desktop
Catalyst Control Center: Enable dialog reposition does not show on proper monitor
when system is configured with 4 displays
Catalyst Control Center page is missing under OS Display Properties
Confirmation dialog box might not appear when applying HDTV 720p and 1080i
formats; the resolution will be applied automatically
Catalyst Control Center: At the end of the auto-tuning, it might not report that the
process has completed successfully
Power Cinema may have to be launched twice to start Blu-ray playback
Moving a video clip across an extended desktop may cause the desktop to flicker or
the media player to stop functioning
Component Video may be missing modes by default
Device manager mistakenly identifies the adapter as Standard VGA Adapter for some
ASICs
Interlaced modes might not be listed in the "List All Modes" window with HDTV
supported DFP panels
"Yes" and "No" buttons might disappear while moving confirmation windows on
desktop during driver installation
Interlaced modes might not be applied on HDTV supported DFP panels even when
forced via Catalyst Control Center
Restricting the maximum refresh rate and resolution via Catalyst Control Center may
fail to apply
Changes to display resolutions may fail to apply for Component Video and S-Video
Catalyst Control Center: Image Scaling settings might not be applied
Avivo Video Converter option is not available for Windows 7