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

Chapter 3
Reference
The following section offers troubleshooting tips and provides customer care,
warranty, and compliance information.
System Requirements
Hardware
Minimum requirements are:
• Motherboard with one PCIe ×16 lane graphics slot.
• AMD Athlon™ or Intel® Pentium® 4 CPU.
• 1 GB RAM.
• CD-ROM or DVD-ROM drive for installing software.
• A 550 watt or better power supply with two 2×3 PCIe power connectors.
• For enhanced performance with ATI Overdrive, a power supply with one
available 2x3-pin and one available 2×4-pin PCIe power connector is
required
• Certified power supplies are strongly recommended; for a list of certified
power supplies, see ati.amd.com/certifiedpsu.
ATI CrossFireX Requirements
Minimum requirements for ATI CrossFireX configuration using the ATI Radeon
HD 3800 series graphics card:
• ATI CrossFireX-certified motherboard. For an up-to-date listing of
ATI CrossFireX certified motherboards, see ati.amd.com/products/
certification.
• A second ATI CrossFireX graphics card compatible with the ATI Radeon HD
3800 series. (In most cases, a third card may be installed, if desired.)
• One ATI CrossFireX internal bridge interconnect per additional board
(included).
• A PCIe 750 watt or higher power supply with two 2×3 PCIe power connectors.
• For enhanced performance with ATI Overdrive, a power supply with one
available 2x3-pin and one available 2×4-pin PCIe power connector is
required
• For an up-to-date listing of certified power supplies, see ati.amd.com/
certifiedpsu.
• Certified system cases with good airflow and cooling are recommended. For
list of certified cases, see ati.amd.com/certifiedcases.