737-28188: Enabling Crossfire in the Radeon HD2900 XT will result in an error message and Crossfire will not actually be enabled.
The information in this article applies to the following configuration(s):
* Radeon™ HD2900 series
* Windows XP Professional
* Windows XP Home Edition
* Windows XP Professional x64 Edition
Symptoms:
Enabling Crossfire results in computer restarting and an error message pops up. After the computer restarts, Crossfire is not enabled.
Solution:
A Hotfix is available to address this issue.
http://support.ati.com/ics/support/KBAnswer.asp?questionID=28188
Boogle this hotfix may or may not address the issue you were experiencing with your Crossfire
.