Computer Hardware User Manual
Table Of Contents
- ATI Radeon HD 3800 Series
- Contents
- Chapter 1 — Installation
- Chapter 2 — ATI CrossFireX
- Chapter 3 — Reference
- System Requirements
- Using ATI Catalyst Control Center
- Troubleshooting
- Graphics Card Installation Troubleshooting
- ATI CrossFireX Troubleshooting
- Change Motherboard BIOS Settings
- Use Graphics Cards with Different Amounts of Memory
- Card Reversal Recommended
- 3D Client is Active
- ATI CrossFireX is Currently Unavailable
- Screen Rotation is Unavailable
- Video Displays Flicker During System Startup
- ATI CrossFireX Starts in Software Mode
- ATI CrossFireX Disabled After Swapping/Moving Cards
- HDTV/HDTV Adapter Troubleshooting
- Customer Care
- International Compliance Information

Figure 2–2 ATI CrossFireX Installation
1 Power supply
2 ATI CrossFireX graphics cards
3 Interconnect
9. Connect the power supply to the cards.
10. Fasten the graphics cards securely to the back panel.
11. Make sure the cables are not interfering with anything inside the computer
(for example, a cooling fan) and then replace the computer cover.
12. Reconnect any cables you have disconnected and plug in the computer
power cord.
13.
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.
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© 2007 Advanced Micro Devices, Inc. ATI Radeon HD 3800 Series