Enabling Ati Crossfirex - AMD ATI Radeon HD 4600 Series User Manual

7. Fasten the graphics cards securely to the back panel.
8.
Make sure the cables are not interfering with anything inside the computer
(for example, a cooling fan) and then replace the computer cover.
9. Reconnect any cables you have disconnected and plug in the computer
power cord.
10.
Turn on the monitor and then the computer.
You now need to enable ATI CrossFireX in ATI Catalyst Control Center.

Enabling ATI CrossFireX

1.
From the Graphics Settings tree, click CrossFire™.
2.
From the Graphics Adapter list, select the graphics card that acts as the
Master VPU.
3. Select the Enable CrossFire™ check box.
4.
If your system has more than two ATI CrossFireX-capable graphics cards,
the Selecting a Slave GPU dialog appears where you must select the graphics
card that will partner with the Master GPU.
Note: Enabling ATI CrossFireX for the selected graphics card
automatically disables GPU Accelerated Physics for that same card.
© 2008 Advanced Micro Devices, Inc.
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ATI Radeon HD 4600 Series