Manual
ASUS P5K3 Premium 6-1
6.1  Overview
The motherboard supports the ATI
®
 CrossFire™ technology that allows you to 
install multi-graphics processing units (GPU) graphics cards. Follow the installation 
procedures in this section.
6.1.1  Requirements
•  CrossFire™ Edition graphics card (Master)
•  CrossFire™-ready graphics card (Slave)
•  CrossFire™-ready motherboard
•  Make sure that your power supply unit (PSU) can provide at least the 
minimum power required by your system. See 8. ATX Power connectors on 
page 2-27 for details. 
6.1.2  Before you begin
Uninstall other graphics card drivers in your system
To uninstall other graphics card drivers:
1.  Close all current applications.
2.  Go to 
Control Panel > Add/Remove Programs.
3.  Select your current graphics card driver/s. 
4.  Select 
Add/Remove.
5.  Restart your system.
•  Visit the ATI website or download the Radeon
®
 X850 Crossre™ Edition 
User’s Guide from the support CD for detailed hardware requirements and 
installation procedures.
•  The ATI CrossFire™ technology supports only the following operating 
systems: 
  - Windows
®
 XP 32-bit (Home or Professional) with Service 
   Pack 2 (SP2) 
  - Windows
®
 XP Professional 64-bit Edition.
•  Make sure that your graphics card driver supports the ATI
®
 CrossFire™ 
Technology. Download the latest driver from the ATI website (www.ati.com)
•  The maximum resolution of Radeon™ X850 CrossFire™ Edition is 1600 x 
1200 at 65 MHz when you use DVI output.










