Gigabyte GV-R477UD-1GI Manual - Page 4

1. Introduction 1.1. Features • Powered by ATI RadeonTMHD 4770 Graphics Processing Unit (GPU) • Supports PCI Express 2.0 • Integrated with 1GB GDDR5 memory • Supports DirectX 10.1 • Supports CrossFireXTM • Supports 2 Dual-Link DVI-I connectors (by adapters) • Supports 2 D-Sub connectors (by adapters) • Supports HDMI connector 1.2. Minimum System Requirements • Hardware - Intel® Pentium® 4/CoreTM 2 or AMD AthlonTM /PhenomTM - 1GB or more of system memory for best performance - Optical drive for software installation (CD-ROM or DVD-ROM drive) - A power supply that provides at least 450-watt and with one 75w 6-pin PCIe power connector is required. The power supply should be with a known brand and certified to conform to safety regulations. (For the list of certified power supplies, go to http://ati.amd.com/certifiedpsu.) • Operating System - Windows® 7 - Windows® Vista - Windows® XP with Service Pack 2 (SP2) - Windows® XP Professional x64 Edition • CrossFireXTM Configuration If you are planning on using this graphics card as part of a CrossFireX system, the following is required: - A CrossFireX certified motherboard with two PCI Express x16 slots and correct chipset driver - Two GV-R477UD-1GI - A power supply that provides at least 550-watt and with two 6-pin PCIe power connectors is required. The power supply should be with a known brand and certified to conform to safety regulations. (For the list of certified power supplies, go to http://ati.amd.com/certifiedpsu.) - One or two CrossFire bridge interconnect cables GV-R477 Series Graphics Accelerator - 4 -