[. . . ] ATI Radeon HD 4770 User Guide Part Number: 137-41630-10 Rev B ii © 2009 Advanced Micro Devices Inc. The contents of this document are provided in connection with Advanced Micro Devices, Inc. AMD makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to discontinue or make changes to products, specifications, product descriptions, and documentation at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this publication. [. . . ] Caution: To avoid possible damage to the motherboard, wait approximately 20 seconds after unplugging the power cord before disconnecting a peripheral or removing a component from the motherboard. 3. Remove the computer cover. If necessary, consult the computer manual for help removing the cover. Caution: Remember to discharge your body's static electricity by touching the power supply case or the metal surface of the computer chassis. 4. Remove any unneeded graphics cards from the computer. Warning: Some graphics cards can get hot while operating. Wait approximately five minutes after turning off the computer before touching the card. 5. If necessary, remove the corresponding back panel cover. ATI Radeon HD 4770 ©2009 Advanced Micro Devices, Inc. 11 6. Align the new graphics card in the secondary PCIe slot next to the existing graphics card and press firmly until the card is fully seated. Make sure the cables are not interfering with anything inside the computer (for example, a cooling fan) and then replace the computer cover. Reconnect any cables you have disconnected and plug in the computer 10. Turn on the monitor and then the computer. Enable ATI CrossFireX in ATI Catalyst Control Center as described in the next topic. EnablingATI CrossFireX 1. From the Graphics Settings tree, click CrossFireTM. ©2009 Advanced Micro Devices, Inc. From the Graphics Adapter list, select the graphics card that acts as the Master VPU. 3. Select the Enable CrossFireTM check box. ATI Radeon HD 4770 ©2009 Advanced Micro Devices, Inc. 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. · 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 4770 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 4770. · For two card setup, a PCIe 475 watt or higher power supply. ©2009 Advanced Micro Devices, Inc. ATI Radeon HD 4770 14 Reference · 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. Using ATI Catalyst Control Center ATI Catalyst Control Center Overview The ATI Catalyst Control Center software provides access to the display features of your ATI Radeon HD 4770 graphics card. Use the software to fine-tune graphics settings, enable or disable connected display devices, and change the orientation of the desktop. Many features display previews of the changes before they are applied. [. . . ] To activate Customer Care, you must register your product at ati. amd. com/ online/registration. If you require further assistance with your product, the following Customer Care options are available: Service Availability Language English, French, Spanish Access http://ati. amd. com/support/ or Attention: Customer Care Advanced Micro Devices, Inc. , 1 Commerce Valley Drive East, Markham, Ontario, Canada L3T 7X6 Telephone US & Canada Monday to Thursday: 9:00 a. m. English 1-877-284-1566 (toll-free) or 1-905-882-2626 (Canada) (International and/or local toll charges to Canada will apply). Online or mail 24 hours a day ©2009 Advanced Micro Devices, Inc. ATI Radeon HD 4770 20 Reference AMD Customer Care for Graphics Products will work to resolve your issue and help you to get your product up and running. If your issue is not resolved, our technicians will determine whether the difficulty you are experiencing is the result of the product, whether your product contains a defect, and whether your product is under warranty. [. . . ]