The information in this article applies to the following configuration(s):

• Cyberlink PowerDVD7
• Radeonâ„¢ Xpress 1250 series
• Radeonâ„¢ Xpress 1200 series
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition

Symptoms:
DVD display blinks in red when Overdrive is enabled

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ HD 2900 series
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:

Enabling CrossFire followed by setting the Overdrive clocks to their maximum settings may result in the Catalyst Control Center failing to accurately report the requested Overdrive values

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ X1950 series
• Windows XP
• Windows XP 64-bit Edition
• Windows Media Center Edition
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition

Symptoms:
Attempting to change the Core clock settings within the Overdrive aspect results in the new setting failing to be applied

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ HD2000 Series
• Radeon X1900 Series
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:
Making changes to the Avivo setting page, but not applying the changes results in Overdrive becoming unlocked

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ HD2600 series
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:
The Enable ATI Overdrive clocks for 3D applications may be available on non supported products such as the ATI Radeon HD 2600 series of product.

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ HD 2900 series
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:

The Overdrive clocks may fail to revert back to the default settings, also the Apply and Discard buttons may not become enabled when changing the clock settings for both the primary and secondary display devices

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeon® X1950 XTX
• Radeon® X1950 XT
• Radeon® X1900 XT
• Windows Vista 32bit Edition
• Windows Vista 64bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:
Catalyst Control Center ->OverDrive: The OverDrive setting are not retained for individual accounts. This issue may also be experienced under the Windows Vista operating system

The information in this article applies to the following configuration(s):

• Catalyst Control Center
• Radeonâ„¢ X800 XT
• Windows Vista 32-bit Edition
• Windows Vista 64-bit Edition
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 Edition

Symptoms:
The ATI OverDriveâ„¢ Defaults button is now enabled

The information in this article applies to the following configuration(s):

• Catalyst Control Center: OverDrive
• Radeon® X1650 XT
• Radeon® X1600 XT
• Windows Vista 32bit Edition
• Windows Vista 64bit Edition

Symptoms
OverDrive may not function as expected under the Windows Vista operating system when running an OpenGL application.