AMD ATI Radeon HD 4770 User's Guide download pdf (Page 15)

Chapter 2

ATI CrossFireX™ Technology

Note: These features only available for ATI Radeon HD 4770 graphics cards with

ATI CrossFireX connections.

ATI CrossFireX Introduction

ATI CrossFireX technology harnesses two or more GPUs (graphics processing

units) to be used in a single computer to run up to two displays, creating a high-

performance gaming platform. Typically, setup involves two or more graphics

cards, but with the appropriate motherboard, the technology can use a single

card and the built-in GPU of the motherboard. ATI CrossFireX works with all 3D

games and applications.

Note: The ATI Catalyst Control Center software contains a different

ATI CrossFireX user interface for each configuration type and automatically

loads the appropriate one when a valid ATI CrossFireX configuration is detected

in the system.

If ATI Catalyst™ A.I. is enabled in the ATI Catalyst Control Center software, the

optimal rendering mode available for the application is automatically selected.

Installing ATI CrossFireX Graphics Cards

These instructions assume that a PCIe® graphics card has already been

successfully installed in the secondary slot (slot one), and that the primary slot

(slot zero) is empty.

Note: Consult your system builder or OEM to ensure that your system has an

adequate power supply. For more information, see System Requirements.

For an up-to-date listing of ATI CrossFireX certified motherboards, see

ati.amd.com/products/certification

1. Make sure the computer, monitor, and other peripheral devices are off.

2009 Advanced Micro Devices, Inc. ATI Radeon HD 4770

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AMD ATI Radeon HD 4770 User's Guide Page 15