Gigabyte GV-RX345256H Manual - Page 9

How to enable the ATI CrossFireTM technology: After installing two CrossFire graphics cards of the same chipset (Figure 1) on a CrossFire-supported motherboard, users can enable the CrossFire technology simply through the graphics card driver . Two CrossFire graphics cards of the same type. (Example: GV-RX16P128P-RH) Figure 1 Step 1: After installing graphics card driver in operating system, access the Catalyst Control Center (please refer to Page 18). From the Catalyst Control Center, enter the CrossFire menu and assure to select the Enable CrossFire checkbox (Figure 2). Step 2: When the next confirmation dialog box appears (Figure 3), click Yes to complete the CrossFire configurations. Figure 2 Figure 3 (Note): Only Windows® XP operating system supports CrossFire mode. Please do not enable CrossFire in Windows® 2000. - 9 - Hardware Installation