Crossfire technology was released by ATI (now part of AMD) in 2005. It allowed multiple graphics processors, located on different graphics cards, to be used together to increase overall graphical performance. With two Crossfire video cards, you can set up a second monitor to act as an extension or exact duplicate of your desktop. To do so, let the graphics software know how you want to use the secondary monitor.
- Skill level:
- Moderately Easy
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Things you need
- ATI Catalyst Control Center software
Connect the cable from your second monitor to the second DVI slot on the primary graphics card. The primary card will be the one already connected to your main monitor.
Open the ATI Catalyst Control Center software by double-clicking on the icon.
Click "View" at the top left corner of the Control Center window. Choose "Advanced" from the drop-down box.
Select "Displays Manager" from the list on the left-hand side of the screen.
Click on the large number "2" on the right side of the screen in the "Desktop and Display Setup" area. Choose "Yes" when a pop-up asks you if you want to enable this display. You will see a secondary display icon appear in the middle of the window.
Right-click the secondary icon and select "Clone Main with," "Stretch Vertically onto" or "Stretch Horizontally onto" to change the way that the second display is used. The default mode is extended mode, so you don't have to do anything if this is how you want it.
Click "Apply" at the bottom of the screen to save these settings. Your secondary monitor should now display your desktop according to the mode you chose.
Tips and warnings
- If you turn Crossfire technology off in the Control Center software, you can use up to eight different monitors, assuming you have that many ports on your video cards. Your graphical performance will be lessened a bit by doing this.
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